Heller & Merz Plant in Newark
Source:  American Cyanamid,
A Half Century at Bound Brook 1915-1965
Heller & Merz Company
The synthetic colorants industry in Newark, New Jersey began in 1869 with the partnership of Frederick Heller (1835-1889) and Henry Merz (1833-1905).  They
were German immigrants from the city of Darmstadt, with Heller coming to the U.S. in 1849 and Merz in 1853.  Merz studied chemistry at Cooper Union in New
York and in 1868 attempted the manufacture of ultramarine, an inorganic pigment used for calico printing, tinting of paper, paints, and as a laundry aid.  They
selected this product because of the high selling price and low cost of the raw materials.   Another factor was the lack of competition, since all the domestic
requirements for ultramarine were imported.  But the process was complicated, generating much waste, so Heller went to Germany to acquire the know-how,
rejoining Merz in 1869.  

Production of ultramarine was successfully carried out in a rented plant on River St. in Newark, with only two furnaces and six mills. The quality of the blue was
good but selling it proved difficult.  The owners and superintendents of the mills were typically English or Scotch who were satisfied with the imported product
and reluctant to switch to a domestic source.

Business suddenly improved due to the Franco-Prussian War of 1870, with the threat of a blockade of German shipping by the French Navy.  The blockade did
not materialize, but the customers liked the Heller & Merz blue and their ability to ship promptly resulted in lower inventories compared to importing.   The plant
became too small to meet demand and the noxious sulfur fumes irritated the neighbors.  In 1872 the company relocated operations to a 10-acre tract in the
meadow lands, away from densely populated neighborhoods.  The plant was destroyed by fire in 1884 and was rebuilt.  

The industries served by Heller & Merz were also interested in coal tar dyes, so the small company imported aniline dyes from Switzerland, representing the firm
of P. Monnet & Cie.  Dr. Bredt came over from Europe in 1880 and established the manufacture of methyl violet and fuchsin at the Newark plant.   The methyl
violet business was small because it was difficult to compete with large German companies who made their own dimethylaniline.  Bredt left in 1881 and Dr.
George Prochazka joined the company, adding eosine to the product line.  

During the 1870s the tariff on dyes was a rather steep $.50 per pound specific duty plus 35 percent ad valorem.  This encouraged investment in the coal tar dye
industry and by 1883 there were ten companies operating in the U.S.  However in that same year, Congress bowed to the powerful textile and paper industries,
withdrawing the specific duty.  Only five domestic companies survived:  Schoellkopf Aniline in Buffalo; Heller & Merz in Newark;
Albany Aniline; Hudson River
Aniline in Rensselaer; and Holliday in Brooklyn.

Heller & Merz continued to expand the dye range, adding safrosine, erythosine and rose bengal in 1885.  In the same year, George Prochazka’s brother John,
who studied in Europe, was hired as a chemist.  In 1886 rosaniline blues were made and by 1889 nigrosine, induline, chrysoidine and bismark brown were in
production.  The company’s synthetic capabilities were apparent in 1890 when Orange II was introduced, along with the intermediate sulfanilic acid.  A process
was developed to purify phosphine, a byproduct of fuchsin manufacture.  Phosphine would later be in high demand by the leather trade when tan shoes became
stylish.  Fast red was added in 1894 along with several oil soluble dyes used by the paint and varnish industry.

In mid-1887 August Merz, son of Henry Merz, joined the company as an assistant chemist.  Six months later he became the chief chemist when his predecessor,
a European chemist, resigned.  The partnership was incorporated as the Heller & Merz Company on February 2, 1889, with capital stock authorization of
$200,000.  The stock was closely held by the two families, linked by the marriage of Frederick Heller and Henry Merz to sisters.

More land adjoining the original tract was purchased and new buildings erected.  Eventually the company had 32 acres of land, 70 buildings from one to four
stories, and a power plant with 1,200 horsepower.  There was a machine shop, carpentry shop, and cooperage.  A half-mile long railroad siding was used to
deliver ram materials and ship out finished goods.  The company had six laboratories for testing raw materials, finished products, and for research.

The commodity production of ultramarine helped the company survive when demand for coal tar dyes fell.  This included the period after 1890 when the tariff
was further reduced to only 15 percent.  The tariff was increased back to 30 percent ad valorem by the Dingley Act of 1897.

The ultramarine process emitted large volumes of noxius fumes, first hydrogen sulfide and then sulfur dioxide.  The nearby truck farms regularly filed claims for
damages to the crops.  Hydrogen sulfide turned a house freshly painted with white lead to gray in a few hours.  The solution was construction of a 350 foot tall
smokestack, one of the highest in the U.S. at that time, which can be seen in the plant photo above.   The smokestack and plant buildings are in the background
of the 1910 photo below, which depicts a baseball game taking place in nearby Davis Stadium:











































Total domestic production of ultramarine was 2.7 million pounds in 1914.  Heller & Merz was the largest producer.  A major competitor was
H. Kohnstamm & Co. of
Brooklyn.  A newcomer to the ultramarine field, Standard Ultramarine, began operating in 1912 in Huntington, West Virginia.

When war was declared in 1914, dyes were largely imported and there were only seven dye plants in operation in the United States. They had 528 employees.
The capital invested was about $3.5 million with output of about 6.6 million pounds, valued at $2.4 million.  Schoellkopf Aniline was the leading manufacturer with
a 50 percent share of the market, followed by Heller & Merz with a 21 percent share.

The dye famine caused by the war rapidly increased prices.  Before the war, Heller & Merz sold Rhodamine B at around $1.00 per pound; during the war the
company repurchased the same lot of dye for $50.00 per pound.   Prices fell quickly when the war ended in 1918.

The company increased its capitalization to $1.0 million in 1918 to expand production, but the focus remained on ultramarine and dyes for the paper and leather
industries.  Eugene and August Merz, sons of Henry Merz, refused to enter new fields.  They had believed the war would be of short duration and that the
Germans would regain control of the American market.  

On April 16, 1927 the weekly cash payroll was stolen in a brazen robbery.  Five men, one of them armed with a sawed-off shotgun, held up the cashier and two
clerks.  They escaped in a car with the $6,000 payroll.  The size of  this payroll indicates that around 200 employees worked at the plant.

In 1930 Heller & Merz was acquired by the
Calco Chemical Company, a division of American Cyanamid.  Eugene and August Merz became vice presidents of
Calco Chemical.  The Heller & Merz Company  was operated as a department of Calco Chemical and production at Newark continued for some years.  The site
was located on Wilson Avenue and adjoined Davis Stadium, later named Ruppert Stadium, where the
Newark Bears semi-professional baseball team played.  
Ruppert Stadium was demolished in 1967.

An illegal alcohol distillery was raided by Federal agents at the Heller & Merz plant in 1931.  The unit was valued at $500,000 of which $240,000 represented
equipment and supplies.  It had been operating for seven months, producing 12,000 gallons of alcohol , valued at $35,000, daily.  The distillery had been
receiving carloads of molasses from Puerto Rico, delivered to the rail siding adjoining the plant.  A pipeline was used to pump the high grade alcohol into
railroad tank cars.  No arrests could be made since the plant siren was sounded with five blasts as soon as the Federal agents walked through the main gate.

Dye production was gradually transferred to the large Calco Chemical plant in Bound Brook, New Jersey and the Newark plant closed sometime after 1949.

























Central Dyestuff & Chemical Company

























George A. Prochazka was born in Milwaukee in 1856.  After attending private schools in New York, he studied chemistry in Germany.  He studied under
Fresenius in Weisbaden, under Bunsen in Heidelberg, under Kekule in Bonn, and at the Aachen Polytechnic.  He received a Ph. D. at Heidelberg.  His brother
John Prochazka studied chemistry in the U.S. and at the Ecole de Chemie at Mulhouse, under the foremost authority Emil Noelting.  The Prochazka brothers
established their reputations as experts in dye manufacturing at the Heller & Merz Company in Newark.

In 1897 George and John Prochazka left Heller & Merz and on September 26, 1898 incorporated the Central Dyestuff & Chemical company with a capital stock
authorization of $48,000.  The dye plant, employing around a dozen men, started to manufacture a limited line of dyes.   The small plant was located at Plum Point
Lane in Newark, near the Butterworth & Judson chemical plant, and close to the Passaic River.  This street no longer exists.

























In 1902 a State of New Jersey inspection report said the plant employed 30 men and that the condition of the facility was good.

By 1914 the Central Dyestuff & Chemical Company had attained a 3-4 percent share of the dye market.  The production of colors included:  orange Y, orange R,
orange I, crocein orange, lake scarlets, Bordeaux, amaranth, wool scarlet, fast red, roccelline, azo rubine, Bismark brown Y and R, chrysoidine Y and R,
amidoazobenzene, amidoazotoluene, and a line of unsulfonated azo colors known as Sudan colors.  Nigrosine base, induline base, and spirit nigrosine were also
made.  The Sudans and bases were sold to the varnish, wood stain and leather trades.

The plant produced some of the intermediates required:  sulfanilic acid for the orange Y and I, sulfotoluidic acid for orange R, Schaeffer acid for crocein orange,
and G-salt for wool scarlet.  Sales of the scarlets were limited by competition from Germany.  Raw materials that had to be imported included:  aniline oil, o-
toluidine, xylidine, cumidine, nitrobenzene, dinitrobenzene, dinitrotoluol, alpha naphthol, beta naphthol, and alpha naphthylamine.  The beta naphthol and alpha
naphthylamine were essential to the dye business, but the company lacked financing to establish manufacture at Newark.

The one-story plant was destroyed by fire in 1918.  Plans were made to reconstruct with a new building measuring 54 by 80 feet.

During World War I, Herman Metz, a dye importer, acquired financial control of the company and was named vice president.  Metz also owned the Consolidated
Color & Chemical Company of Newark.  Although a native born American, Metz was a strong supporter of German interests and often clashed with other
American dye manufacturers over tariffs.   Dr. George Prochazka retired in 1924 and in 1925 Metz formed the General Dyestuff Corporation, which took over the
sales functions of the Central Dyestuff & Chemical Company, the Consolidated Color & Chemical Company, and the
Grasselli Dyestuff Corporation.  General
Dyestuff also handled the U.S. sales of the largest German dye makers.

The Central Dyestuff & Chemical Company was phased out a few years later.  In 1930 Federal agents discovered an illegal alcohol still operating at the site.  
There were six wooden vats of 20,000 gallons capacity each.  Five vats contained a corn syrup mash and the sixth vat contained yeast.  Four 5,000 gallon stills,
with thermostatic regulation, were capable of producing 20,000 gallons of high proof alcohol daily.  The still operator was arrested.

Consolidated Color & Chemical Company
Herman Metz established the Consolidated Color & Chemical Company at Lister Avenue in Newark in 1902.   A few dyes and color lakes  were made and by 1914
the company had a market share in the range of 2-3 percent.  Dr. Gustave Metz, younger brother of Herman, was production manager during 1902-1912.  This
plant was said to be a Trojan horse, enabling Herman Metz to have the appearance of an American manufacturer

In 1925 Metz merged his two dye plants in Newark into the General Dyestuff Corporation.  The Consolidated Color & Chemical company and the Central Dyestuff
and Chemical company were subsequently sold to the Calco Chemical Company, which eventually became a division of American Cyanamid.   By 1930 many of the
small dye producers either had merged with larger companies such as Calco and DuPont or went out of business.

























Dye Products and Chemical Company, Inc.
This company was formed around the time of World War I, with a plant on Vanderpool Street in Newark built in 1915 and a sales office at 200 Fifth Avenue in New
York City.  Aniline oil was the first product manufactured.  The range of aniline dyes consisted of:  naphthol green, Newark scarlet, Ponceau scarlet, and acid
yellow for wool and silk; chrome blue black, chrome brown, and copper purple for wool;  eosin for silk , cotton and rayon; Bismark brown Y and R for rayon,
cotton, leather and paper; and chrysoidine for rayon, cotton and paper.  The trademark "Dylene" was registered in 1922 for all the dyes and intermediates sold.

The capacity of the plant was considerably increased in 1917 to produce the following intermediates and dyes:  m-toluene diamine, m-phenylene diamine, p-
phenylene diamine, amino azo benzene, alizarin blue black, alizarin yellow G, and chrome red.    

In 1919 the company purchased a new plot of land on Vanderpool Street, adjoining its factory, for future expansion.  In 1920 plans were completed for a new
brick boiler house.






























The Calco Chemical Company, a division of American Cyanamid, acquired the company around 1930 and shifted production of dyes to its large plant in Bound
Brook, New Jersey.

Amalgamated Dyestuffs & Chemical Works, Inc.
The Amalgamated Dyestuffs & Chemical Works, Inc. was incorporated in New York in 1915 with capital of $50,000.  The company was founded by George H.
Whaley, Charles H. Jones, and Emile H. Kick, all of Jersey City.  
























The plant site was located at Plum Point Lane and Avenue P in Newark.  The property was four acres in size and served by a railroad siding.  In 1918-1919, the
company built a one-story, 50 by 90 foot building at a cost of $8,500.  The production consisted mainly of sulfur and azo dyes.  Textile processing chemicals, or
dyeing assistants, were also made.  The plant expanded over the years to twenty chemical buildings with an area of 105,000 square feet.



























In 1938 J. Pfister, the president and general manager, announced the addition of a line of vat dyes and naphthols.  This supplemented the extensive range of
acid, basic, direct, chrome, developed and sulfur colors.  Amalgamated pioneered in the research of acetate rayon dyes and had one of the largest lines of
these dyes in the US.

John Campbell & Co. of New York was the sales agent for most of the products.  The vat dyes and naphthols were sold by the company's own sales force located
on Hudson St. in New York.

The company was acquired in 1938 by the Calco Chemical Company.   Production was eventually moved to the Calco plant in Bound Brook.  The site was sold in
1943 to Martin Laboratories of New York City.

Alliance Color and Chemical Company
In 1946 the Alliance Color and Chemical Company took over the former Amalgamated Dyestuff site on Plum Point Lane (see discussion above).  In one of the
largest buildings, production started on a limited range of fast color salts and bases.  Over time the range was extended and a large number of stabilized azoics
in solution and powder forms were manufactured.

A major expansion program began in 1950 and was completed in 1953.  Additional property was purchased and four buildings were modernized.  Bases and
intermediates continued to be manufactured in the original building.  Another building housed equipment for the production of salts and stabilized azoics.  The
finishing steps of drying, grinding and blending were performed in another unit.  An air conditioned, brick warehouse building helped maintain the shelf-life of
the products.  The fifth building in the group was used for offices and had a research laboratory on the second floor.  The machine shop and boiler room were
located on the first floor.  Plans were made for a new boiler house, lunch and locker room for employees, and a new laboratory.

The president of the company was Harold W. Rose.  Secretary-treasurer was Harold W. Coward who was also in charge of production.  Coward formerly worked
for the
National Aniline Division of Allied Dye and Chemical Corporation.  In 1953 Coward said Alliance Color and Chemical was the only U.S. dye maker to
specialize in such a large line of salts, bases and stabilized azoics.  Sales were made through several dye distributors to all locations of the textile industry.

United Color & Pigment Company
The company built a plant in 1920 on property at McClellan Street and Evergreen Avenue.  The factory consisted of three one-story buildings and a two-story
main building.  Dr. H. S. Riederer, who formerly worked in commercial chemical development for the Atlas Powder Company, joined the new pigment
manufacturer in 1920. The manufacture of lithopone was started in early 1921.  Lithopone is a white inorganic pigment composed of barium sulfate and zinc
sulfide.

The company expanded over the years and was acquired by the Interchemical Corporation.  By 1943 the plant had 500 employees producing a broad range of
organic and inorganic pigments.  Later that year the business was acquired by the Calco Chemical Company and production was shifted to a new building at the
Bound Brook complex.

Butterworth-Judson Corporation
Egbert P. Judson (1812-1893) was an inventor and manufacturer of explosives.  He founded the Butterworth-Judson Chemical Works in Newark around 1886.  
The plant, which produced heavy chemicals such as sulfuric acid,  was located on Plum Point Lane and Avenue R along the Passaic River and near Newark Bay.  
The nearby waterways and railroad siding were important for the bulk transportation of raw materials and finished goods.  

Sulfuric acid is a key raw material for the production of organic chemicals, intermediates and explosives which were in high demand due to World War I.   
Corporate net earnings in 1916 were estimated at a record $4.5 million.  In 1917 a unit was built for synthetic phenol and picric acid.  The phenol was made by
nitration of benzene in sulfuric acid followed by caustic fusion.  Nitration of phenol produced 2,4,6-trinitrophenol, known as picric acid, a potent explosive in
high demand during World War I.  It was estimated that the plant produced 95 percent of all the picric acid used by the Allies.  

The firm received a guncotton contract from France.  Peacetime lacquer-maker
Maas & Waldstein, located next door, helped fulfill the contract.

The company employed hundreds of African-Americans for the workforce in order to make it easier to spot potential enemy saboteurs for this critical war
production plant.   Their skin was stained yellow by the reaction of picric acid with the proteins of the skin.  A help wanted ad, placed in a Southern newspaper in
1917, solicited unskilled and semi-skilled African-American men with the promise of cheap transportation and free housing:

"Men wanted at once.  Good steady employment for colored.  Thirty and 29.5 cents per hour.  Weekly payments.  
Good warm sanitary quarters free.  Best community privileges.  Towns of Newark and Jersey City.  Fifteen minutes
by car line offer cheap and suitable homes for men with families.  For out of town parties of ten or more cheap
transportation will be arranged.  Only reliable men who stay on the job are wanted.  Apply or write Butterworth-
Judson Corporation, Box 273, Newark, New Jersey or Daniel T. Brantley, 315 West 119th Street, New York City."

In March 1918, part of the picric acid unit was damaged by explosions and fire, with the loss exceeding $100,000.  Four small and well separated wooden
production buildings were destroyed and two African-American employees were reported missing.  William Butterwie, the chief electrician was severly injured.  
The explosion was heard for miles around.  Speculation on the causes included friction in the machinery, an electrical wiring mishap, and even sabotage.

Fumes emanating from the picric acid unit were noxious to residents of Hudson County.  In April 1918 a Hudson County jury found the officers of the company,
including William A. Bradford, president, guilty of maintaining a public nuisance.  Newark citizens were also upset with the fumes and Mayor Gillen threatened to
shut the plant down.  In May 1918 the U. S. Army announced it was installing three scrubbing towers to eliminate the fumes and recover valuable material that
formerly was disposed as waste.  

Butterworth-Judson contracted with the U.S. Government in May 1918 for 72 million pounds of picric acid.  The Government advanced the company $1.5 million
for the construction of a new picric acid plant in Brunswick, Georgia.  The plant was to be built on a 1,600 acre site at a cost of $8.0 million and employ 4,000
workers.   When the war ended in November 1918, the contracts for picric acid were cancelled before the new plant  was completed.  The Government
demanded the return of its money.  Net earnings in 1918 were only $846,000.

Plans were made to use the surplus nitration capacity at the Newark plant for dye intermediates.  Butterworth-Judson announced in early 1920 the construction
of new units for the production of Gamma acid, H acid and J acid.  The company intended to market a broad line of colors from the intermediates, including direct
black, diamine black, diamine fast red and diamine brown M.  Research work on cyanthrol blue was also underway in an effort to match the quality of the dye
imported before the war.  N.F. Borg was director of the research laboratory which employed seven chemists, two assistant chemists and a helper.

Fire struck the plant again in September 1920, destroying the paranitraniline unit.  Company officials denied rumors of damage to the Gamma and H acid units.  
The company expected to rebuild the paranitraniline unit by January 1921.  But the depression that year significantly curtailed production of heavy chemicals,
intermediates and dyes.  In 1921 the corporate office at 61 Broadway in New York City was reorganized.  The sales department remained in New York, but the
accounting, purchasing and executive departments were moved to the Newark plant  to reduce expenses.

By 1922 the company was offering only a few dyes for sale:  Acid Blue Black G; Chrome Brown SW; Chrome Bordeaux SW; Diazo Black BH; and Direct Brown M.  
The low sales were inadequate to cover the high fixed costs of operating the large plant.  Butterworth-Judson went bankrupt in 1922.  The corporation was
capitalized at $2.5 million at that time.  In 1925 the plant site was auctioned for $855,000 to the F. J. Lewis Manufacturing Company of Chicago.  The property
consisted of 77 acres of land, with 1,700 feet of frontage on the Passaic River, and more than 500,000 square feet of buildings and machinery.  The site
eventually became part of the Reilly Tar & Chemical Corporation.
























Verona Chemical Company (Click Here for History)

The company was founded in 1902 by Edwin Kuttroff.  The nine acre plant site was located at 26 Verona Avenue in Newark, near the Passaic River.  The company
manufactured a broad range of aromatic chemicals, intermediates and dyes for many years, finally closing in 1963 after having merged with the
Pharma Chemical
Corporation of Bayonne.  

Otto B. May, Inc.























The company was established by dyestuff industry notable
Otto B. May (1880-1952).  He was born in Germany and received a Ph.D. in pharmacology at the
University of Strasbourg in 1904.   Dr. May came to the U.S. in 1907 and taught chemistry at Columbia University.  In 1911 he joined the Johann Hoff Malt Extract
Co. in Newark and became the general manager.  In 1919 with the advent of Prohibition looming, Dr. May organized the May Chemical Works to manufacture
chemicals and dyes.  The original plant was located at 42 Jelliff Avenue, Newark but was soon moved to 198 Niagara Street, between Paris and Amsterdam
Streets.






















May Chemical Works was the first to manufacture the dry color Red Lake C which was the leading red color for printing inks.  The company was the largest U.S.
producer of this color until it was acquired by the Calco Chemical Company of Bound Brook, New Jersey.  Dr. May joined Calco as an executive, but resigned in
1931 and repurchased the facilities at Niagara Street.  He formed Otto B. May, Inc. to make vat dyes.  His son, Ernest M. May, joined the firm in 1938.

In 1958 Cone Mills, a large textile firm in Greensboro, North Carolina, acquired Otto B. May, Inc.  It was rare for a textile company to also have a dye
manufacturing subsidiary.  Cone Mills was a major producer of cotton textiles, so it may have wanted an assured supply of vat dyes for cotton.

Otto. B. May, Inc. announced plans in 1962 for expansion of the Newark plant at a cost of $500,000.  Adjoining land was purchased to double the area.  A 20,000
square foot building was acquired and plans were made to build a new 18,000 square foot laboratory building.  This building would house R & D and control
laboratories and would be located next to relocated dyestuff standardization facilities.  Warehousing and standardization were to be removed from their current
location to make room for the chemical manufacturing expansion.

Polyester/cotton blends became popular in the 1960's so the company introduced the "Companion Dye " system in 1966.  A range of MayEster Companion
disperse dyes for polyester was offered to match and compliment the Mayvat dyes for cotton.  The shade on each fiber in the blend could be controlled
independently of the other.

In September 1966 Dr. Ernest M. May, president of the company, testified at the Tariff Commission hearings in Washington, D.C.  He reported that vat dyes
represented 95 percent of his firm's production and that the Newark plant employed 125 people.  Many of these employees began as unskilled workers and were
trained to assume high-paying jobs.  Dr. May feared that reducing tariffs on imported dyes and intermediates would drive the company out of business.  The
tariff cuts were implemented and become  an important factor in the demise of many American dye manufacturers by the early 1980s.

In the 1970’s, Dewey Trogdon was president of the Otto B. May subsidiary; in 1980 he was named president of Cone Mills.  Later in the same year Cone Mills sold
Otto B. May, Inc. to dye producer Crompton & Knowles.   Crompton & Knowles used the plant to make cationic dyes based on technology purchased from
DuPont.  They manufactured ink and paper dyes along with vat dye pastes made by dispersing purchased presscakes.  Vat dyes were phased out by the late
1980's and the Newark plant subsequently closed.

Paas Dye Company
The tradition of dyeing Easter eggs was made easier by the invention of William M. Townley in the late 1800s.  Townley owned a drug store in Newark where he
developed recipes for home products.  He had been selling hand wrapped packets of dyes as a courtesy for customers at Easter.  When some dye spilled on the
spotless white marble counter and on his business suit, Townley relegated the jars of dyes to the basement, where packets of dyes were made up in papers
normally used for medicinal powders.  The Townley Easter Egg Dye packets were sold in 1880 for five cents.  The packets became popular, leading to sales to
other druggists and the beginning of the Easter egg dye business.  The trade name "PAAS" was soon adopted, stemming from the Dutch word "Paasdag" for
Easter Day.

Townley incorporated the Paas Dye Company on February 5, 1881 with $20,000 of authorized capital stock.    Food dyes were purchased for production of the
packets at a facility at 60 Shipman Street in Newark.  In the 1890s the company introduced calico and picture papers.  These were the precursors of the colorful
transfer designs of today.  In 1893 Townley discovered how to concentrate the dye in tablets, launching the modern Easter egg dyeing kit.  The kits contained
five bright colors, which were dissolved by the addition of water and white vinegar to the tablets.

In 1901a State of New Jersey inspection report rated the plant in good condition and noted that seven men and twenty women were employed.  Paas eventually
became the largest manufacturer of Easter egg dyes and Philip B. Townley succeeded his father as head of the company.  Although sales were seasonal, the
plant operated throughout the year.



















In the late 1960s the company moved to Florida and the Newark  plant was closed.

References:

1) August Merz, Textile Colorist "5Oth Anniversary" Edition 1879 - 1928
2) August Merz, "Early American Coal Tar Dye Industry", Chemical and Engineering News, Vol. 22, No. 13, August 10, 1944, pp. 1275-1280
3) Williams Haynes,
American Chemical Industry, Vol. I (New York: D. Van Nostrand, 1954), pp. 311-313
4) Williams Haynes,
American Chemical Industry, Vol. III (New York: D. Van Nostrand, 1954), p. 102
5) Williams Haynes,
American Chemical Industry, Vol. III (New York: D. Van Nostrand, 1954), pp. 245-246
6) The Conshocton (Ohio) Tribune, April 17, 1927
7) "Raid Alcohol Plant Valued At $500,000", The New York Times, November 24, 1931
8) George A. Prochaska, "American Dyestuffs" Industrial and Engineering Chemistry, Vol. 16, No. 4, April 1924, pp. 413-417
9) "Dr. G. A. Prochaska, Dye Expert, Dead", The New York Times, March 25, 1936
10) "Notes of the Trade", American Dyestuff Reporter, Vol. 3, No. 13, September 23, 1918, p. 34
11) "Raid 20,000-Gallon Still", The New York Times, March 28, 1930
12) "New Concerns Chartered", Trenton Evening Times, November 17, 1915
13) "Chemical Plant Sold", The New York Times, December 19, 1943
14) "Notes of the Trade", American  Dyestuff Reporter, Vol. 7, No. 13, September 27, 1920, p. 18
15) "Notes of the Trade", American  Dyestuff Reporter, Vol. 6, No. 19, May 10, 1920, p. 18
16) Anthony S. Travis,
Dyes Made in America, 1915–1980: the Calco Chemical Company, American Cyanamid and the Raritan River (Jerusalem: Edelstein
Center/Hexagon Press, 2004)
17) "Acid Plant Blast Wrecks Buildings", The New York Times, March 25, 1918
18) "Will Destroy Acid Fumes", The New York Times, May 6, 1918
19) "Butterworth Judson To Build New Plants", American Dyestuff Reporter, Vol. 6, No. 2, January 12, 1920, p. 12
20) "Big Newark Plant Sold", The New York Times, February 11, 1925
21) "Chicago Firm Buys Big Newark Plant", The New York Times, February 15, 1925
22) "Butterworth-Judson Improves Quarters", American Dyestuff Reporter, Vol. 8, No. 3, January 24, 1921, p. 14
23) "Butterworth-Judson Corp. In Receiver's Hands", American Dyestuff Reporter, Vol. 10, No. 11, May 22, 1922, p. 380
24) "Negroes Turn Yellow", The Lima (Ohio) Daily News, March 31, 1918
25) “Otto B. May Dies At Age of 72”, American Dyestuff Reporter, Vol. 41, No. 24, November 24, 1952, p. 789
26) "Otto B. May to Expand", American Dyestuff Reporter, Vol. 51, No. 6, March 19, 1962, p. 60
27) "Coloring Materials", American Dyestuff Reporter,Vol. 55, No. 25, December 5, 1966, p. 67
28) August Merz, "An Old-Timer in the Dyestuff Industry Reminisces", American Dyestuff Reporter, December 2, 1946, pp. 635-637
29) "Easter Egg Rush Is Starting Again", The New York Times, April 3, 1955
30) "Amalgamated Dyestuff & Chemical Works, Inc.", American Dyestuff Reporter, Vol. 27, No. 3, February 7, 1938
31) "The Jersey Meadows", Fortune, November 1934, p. 99
32) "Alliance Completes Expansion Program", American Dyestuff Reporter, Vol. 42, No. 18, August 31, 1953, p. 599
33) "Dye Makers Fear Tariff Changes", American Dyestuff Reporter, Vol. 55, No. 21, October 10, 1966, p. 81
34) Bulletin of the National Research Council, 1920
35) W.D. Weatherford, The Negro From Africa to America, George H, Doran Co., New York, 1924, p. 285
36) Newark:  The City of Industry, Board of Trade, Newark, NJ, 1912, p.143
Industrial Newark Interpreted by Local Artists.  Click to Enlarge
Factory Workers, Newark, NJ by Henry Gasser, 1946
North Newark with a Steam Engine Pulling Freight Cars
by Charles E. Luffman, c. 1945
Newark Colorants Industry
ColorantsHistory.Org
Paper Dyed with Heller & Merz Colors
Source:  Williams Haynes,
Dyes Made in America 1915-1940
George A. Prochazka (1855-1936), Founder of Central Dyestuff and Chemical Co.
Source:  Williams Haynes,
American Chemical History, Vol. 1, 1954
George H. Whaley, Founder
Photo:  Chemical Age, 1921
Otto B. May (1880-1952)
Photo:  Williams Haynes, American Chemical Industry
Ad in American Dyestuff Reporter, 1925
Click to Enlarge
Heller & Merz Plant in Background of Panoramic Photo Taken of Baseball Game in Davis Stadium, Newark, in 1910.
Photo by Irving Underhill.  Click to Enlarge
Click Here for 3D Aerial Photo of the
Former Butterwoth-Judson Site Today
Click Here for 3D Aerial View of the Former Paas Dye Company Site Today
Left:  1940 PAAS Easter Egg Colors Package  
Right:  1944 Newspaper Ad for PAAS Egg Dyes
Click to Enlarge
Heller & Merz Company Site Map
Source:  Robinson's Atlas of the City of Newark, New Jersey, 1912
Click to Enlarge
Left:  Central Dyestuff & Chemical Company Site Map
Source:  Robinson's Atlas of the City of Newark, 1926
Right:  Trade Ad in 1922 Depicts Plant
Click to Enlarge Images
Dye Products & Chemical Co. Site Map
Source:  Robinson's Atlas of the City of Newark, New Jersey, 1926
Click to Enlarge
Click Here for 3D Aerial Photo of Former Site Today
Consolidated Color & Chemical Co. Site Map
Source:  Robinson's Atlas of the City of Newark, New Jersey, 1912
Click Here for 3D Aerial Photo of Former Site Today
Left:  Amalgamated Dyestuffs & Chemical Works.  Photo:  American Dyestuff Reporter 1938
Right:  Site Map:  Robinson's Atlas of the City of Newark, New Jersey, 1926.  Click to Enlarge
Butterworth-Judson Site Map
Source:  Robinson's Atlas of the City
of Newark, New Jersey, 1912
Click to Enlarge
May Chemical Works Site Map
Source:  Robinson's Atlas of the City of Newark, New Jersey, 1926
Click to Enlarge
Click Here for Rare Photos of Plant in WW I
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"Newark Colorants Industry"
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Trade Ad for Intermediates and Dyes, 1920
History of New York Color & Chemical Company, Belleville, New Jersey