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Sr No.	Name of Raw-Materials	Parameters Specified	Requirements
34	Aniline M.W.=93	Appearence Assay Insoluble Solubility Impurities	Brownish clear liquid 98% Min Practically nil Soluble in dilute acid soda Practically nil
35	Para -Nitro aniline M.W=138	Appearence Assay Insoluble Solubility Impurities	Brownish clear liquid 98% Min Practically hot nil Soluble in hot dilute acid Practically nil
36	6-Nitro 1,2,4, Diazo Acid M.W.=295	Appearence Assay Insoluble Solubility Impurities	Yellowish moist material 65% Min. 0.2% Max. Soluble in water 1-Diazo 2% Max 1,2,4Acid 0.2% Max Beta naphthol 0.1% Max 8 Nitro content 4% Max All other impurities < 2%
37	Beta Naphthol M.W.=144	Appearence Assay Insoluble Solubility Impurities	Off-white thin-small flakes 98% min set point 121 C 0.1% Max Soluble in dilute Caustic Soda 1 - Naphthol 0.3% Max.
38	- Naphthylamine M.W=143	Appearence Assay Insoluble Solubility Impurities	Brownish crystalline material 98% Min 0.1% Max, Soluble in hot dilute acid Beta naphthylamine 200ppm
39	Para Phenylene diamine (PPD) M.W.=108	Appearence Assay Insoluble Solubility Impurities	White to off-white crystalline powder or lumps. 99% Min. 0.1% Max. Soluble in water and dilute acid PNA < 0.1% Ash content 0.1% Melting point 139 - 141 C
40	Benzoyl J-Acid M.W. =343	Appearence Assay Insoluble Solubility Impurities	Grayish moist material 60% Min 0.2% Max. Soluble in dilute alkali J-Acid 2% Max.
41	MPDSA M.W = 188	Appearence Assay Insoluble Solubility Impurities	Pinkish crystalline material 70% Min. sodium salt 98% Min. free acid 0.2% Max Sodium salt soluble in water freely Free acid soluble in dilute alkali Single spot on Paper Chromatogram.
42	MPDSA M.W = 268	Appearence Assay Insoluble Solubility Impurities	Brownish dry material 80% Min 0.2% Max Soluble in dilute alkali 2% Max all impurities
43	PPDDSA M.W.=268	Appearence Assay Insoluble Solubility Impurities	Grayish brown dry material or moist material 65% Min for moist material 85% Min for dry material 0.2% Max Soluble in dilute alkali 0.2% Max all impurities
44	Para Amino Acetanilide M.W.=150	Appearence Assay Insoluble Solubility Impurities	White crystalline material 95% Min 0.2% Max. Soluble in hot dilute acid PPD - 0.2% Max
45	Fast Blue B Base (Di anisidine) M.W=244	Appearence Assay Insoluble Solubility Impurities	Buff colored material 70% Min. 0.2% Max. Soluble in hot dilute acid 1% all impurities together
46	Gamma Acid M.W.=239	Appearence Assay Insoluble Solubility Impurities	Gray dry powder 90% Min by coupling values. 0.20% Max Clear solution in dilute alkali 1. Amino G.0.2% Max 2. Dioxy Compound 0.3% Max Bronner's acid 1.0% Max All other impurities < 1.0% Para Phenylene diamine - Nil 4 - Nitro - 4 - Amino Dipenylamine 2- Sulfonic acid
47	N -Methyl J - Acid M.W.=253	Appearence Assay Insoluble Solubility Impurities	Brownish moist/dry material 75% moist material 85% Min dry powder 0.20% Max Soluble in dilute alkali Unreacted J-Acid 3% Max Di J - Acid 0.5% max.
48	Sulfo Tobias Acid M.W.=303	Appearence Assay Insoluble Solubility Impurities	Light pinkish moist material 65% Min 0.2% Max Clear solution in dilute alkali Anthranilic acid Nil Paper Chromatogram - single spot Unreacted Tobias Acid - Nil 2- Napthyl amine 5- Sulfonic acid - Nil
49	Vinyl sulfone (para base) M.W =281	Appearence Assay Insoluble Solubility Impurities	Off white dry powder 95% Min 0.5% Max. Soluble in water Difference between Diazo value and Hydrolysis value -1.55 Max.
50	Amino Diphenylamine Sulfonic acid M.W.=279	Appearence Assay Insoluble Solubility Impurities	Bluish Grey dry powder 95% Min. 0.5% Max. Soluble in water 4,4' - Diamino Diphenylammino 2- Sulfonic Acid (FC Acid)

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