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Sr No.	Name of Raw-Materials	Parameters Specified	Requirements
51	Amino Diphenylamine SulfonicM.W.=264	Appearence Assay Insoluble Solubility Impurities	Dark grayish dry powder 70% Min. 0.3% Max. Soluble in hot dilute alkali Nitro compound 0.1% Max. Chloro compound 0.1% Max.
52	J - Acid urea M.W.=504	Appearence Assay Insoluble Solubility Impurities	Grayish dry powder 70% Min by coupling material 0.2% Max. Soluble in dilute alkali J - Acid 1.0% Max.
53	Para Anisidine M.W.=123	Appearence Assay Insoluble Solubility Impurities	White to blackish crystalline material 98% Min 0.1% Max Soluble in dilute acid Para Nitro anisole : Nil
54	Beta Naphthol M.W.=144	Assay Insoluble Solubility Impurities	Brownish crystanlline material 98% Min. 0.1% Max Soluble in hot dilute acid Nitro compound 0.2% Max. Phenolic compound 0.2% Max
55	Koch Acid M.W=383	Appearence Assay Insoluble Solubility Impurities	Pinkish white moist/dry material 45% for moist material 65% for dry material. 0.2% Insolubles Soluble in dilute alkali 2% Max unknown impurities
56	Bromamine Acid M.W.=382	Appearence Assay Insoluble Solubility Impurities	Bright red powder 90% Min 0.2% Max Soluble in hot dilute alkali 1% Max. Unbrominated product.
57	SPCP M.W=284	Appearence Assay Insoluble Solubility Impurities	Pale yellow dry powder 90% Min 0.2% Max Soluble in dilute alkali 1% Max all together
58	PMP M.W=174	Appearence Assay Insoluble Solubility Impurities	Pale Yellow crystalline material 98% Min 0.1% Max Soluble in dilute alkali 1% max all together
59	Orthophenol4-sulfonicacid=189	Appearence Assay Insoluble Solubility Impurities	Buff colored material 90% Min. 0.2% Max Soluble in dilute alkali 1% Max all together
60	Acetyl MPDSA M.W=230	Appearence Assay Insoluble Solubility Impurities	Off-White moist material 80% Min. 0.2% Max Soluble in dilute alkali 1% Max unreacted MPDSA
61	SPMP M.W=254	Appearence Assay Insoluble Solubility Impurities	Yellowish dry material 85% Min 0.2% Max Soluble i dilute alkali 1% Max all together
62	2.5 - Dichloro SPMP M.W=323	Appearence Assay Insoluble Solubility Impurities	Yellowish brown material 70% min 0.2% max. Soluble in dilute acid Practically nil
63	Salicylic acid M.W.=138	Appearence Assay Insoluble Solubility Impurities	White crystalline material 98% Min 0.1% Max Soluble in dilute alkali Practically nil
64	Anthranilic acid M.W.=137	Appearence Assay Insoluble Solubility Impurities	Yellowish crystalline material 95% Min 0.2% Max Soluble in dilute alkali 1% Max all together.
65	Meta -toluidine M.W=107	Appearence Assay Insoluble Solubility Impurities	Brown viscous liquid 98% Min 0.1% Max Soluble in dilute alkali 1% Max all together.
66	PNAOSA M.W.=218	Appearence Assay Insoluble Solubility Impurities	Yellowish material 95% Min 0.2% Max Soluble in hot dilute alkali PNCBOSA -0.1% Max PNCB - 0.1% Max.

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