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Dye Sample; Indigo

1840s-1900

Dye Sample; Alizarin

Dye Sample; Indigo

Dye Sample

circa 1890

Dye Sample

circa 1890

Dye Sample; Iso-Purpurin

Dye Sample

circa 1890

Dye Sample; Purpurin (pure)

Rubiacine (from Rubiacate of potash), a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Rubiacine

Chrysazol, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Chrysazol

Chrysarobin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Associated Chemist, Merck.

Dye Sample; Chrysarobin

Chlororubian, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Chlororubian

Rubiadin glucoside (from madder), a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Rubiadin

Methyl phenylhydrazone of isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Methyl phenylhydrazone of isatin

1840s-1900

Dithioisatyd, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Dithioisatyd

1840s-1900

Nitro isatin semicarbazone, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Nitro Isatin Semicarbazone

1840s-1900

Diacetyl rufol, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Diacetyl rufol

Acetyl phenylhydrazone of isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Acetyl Phenylhydrazone of Isatin

1840s-1900

P-nitro isatin semicarbazide, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; P-nitro isatin semicarbazide

1840s-1900

Isato ethyloxime, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Isato Ethyloxime

1840s-1900

Bromo rubiadine, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Bromo Rubiadine

Dioxime of acetyl pseudo-isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Dioxime of acetyl pseudo-isatin

1840s-1900

Diphenyl isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Diphenyl isatin

1840s-1900

Isatin semicarbazide, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Isatin Semicarbazide

1840s-1900

Oxime of m-chloroisatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Oxime of m-chloroisatin

1840s-1900

Diacetylanthrarufin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Diacetyl Anthrarufin

O-amido phenyline isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; O-amido phenyline isatin

1840s-1900

Anthrarufin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Anthrarufin

Nitro Isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Nitro Isatin

1840s-1900

Rubianine, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Rubianine

Benzoyl ruberythric acid, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Benzoyl Ruberythric Acid

P-methyl isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; P-methyl Isatin

1840s-1900

Rufoll, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Rufoll

Methylpseudo-isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Methylpseudo-isatin

1840s-1900

Phenylhydrazon of isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Phenylhydrazon of Isatin

1840s-1900

Rubianine, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Rubianine

Rubiadin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Rubiadin

Chrysarobin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900. Associated Chemist, Lieberman.

Dye Sample; Chrysarobin

1840s-1900

Octa acetyl ruberythric acid, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Octa Acetyl Ruberythric Acid

Rufigallic acid, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Rufigallic Acid

Diazetyl Oxanthronol, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Diazetyl Oxanthrono

1840s-1900

Acetyl nitro isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Acetyl Nitro Isatin

1840s-1900

Hexa acetyl rufigallic acid, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Hexa Acetyl Rufigallic Acid

Dibromo isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Dibromo Isatin

1840s-1900

Chlororubiadine, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Chlororubiadine

Oxime of isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Oxime of isatin

1840s-1900

Isatyd, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Isatyd

1840s-1900

Perchlororubian, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Perchlororubian

Triacetyl anthragallol, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Triacetyl anthragallol

Acetyl isatin, a sample chemical from Edward Schunck's research on natural dyes and plant products, 1840s-1900.

Dye Sample; Acetyl Isatin

1840s-1900

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