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Sr No.	Name of Raw-Materials	Parameters Specified	Requirements
1	H-Acid M.W. =319	Appearence Assay Insoluble Solubility Impurities	Grayish moist material/Dry powder 55%-65% for moist material 78-80% for dry powder 0.20% Max. Clear solution in dilute alkali Chromotropic acid 1% Max. Koch acid 0.3% Max Omega acid 0.3% Max. All other impurities < 1.5% Max.
2	J. Acid M. W =239	Appearence Assay Insoluble Solubility Impurities	Material/Dry powder 88%-90% By coupling value Min. 0.20% Max. Soluble in dilute alkali Iso Amino G.0.20* Max. Di j. Acid 0.5% Max. All other impurities < 1.0% Max.
3	Ethylene Diamine M.W.=60	Appearence Assay Insoluble Solubility Impurities	Pale Yellow liquid 98% Min. Practically Nil Miscible with water 1% Max all together
4	Cyanuric Chloride M. W=184.5	Appearence Assay Insoluble Solubility Impurities	White crystalline powder Highly lacrymatic 98% Min. 0.1% in Benzene Clear Solution in Benzene Nil
5	4-NAP M.W =234	Appearence Assay Insoluble Solubility Impurities	Brown Crystalline material 65% Min or moist material. 0.2% Max, Soluble in dilute alkali forming reddish solution. 1% Max.
6	Para Amino Azobenzene 4- Sulfonic acid M.W =277	Appearence Assay Insoluble Solubility Impurities	Yellowish Crystalline material. 90% Min. 0.3% Max. Soluble in hot dilute alkali 1% Max.
7	Aniline 2,4-Disulfonic acid M.W. =253	Appearence Assay Insoluble Solubility Impurities	Pinkish Dry Material 95% Min 0.2% Max. Water and dilute alkali 1% Max all impurities
8	Aniline 2,5-DiSulfonic acid M.W.=253	Appearence Assay Insoluble Solubility Impurities	Grayish brown material 65% Min for most material 0.2% Max. Soluble in dilute alkali 1% Max all impurities
9	PAAB 3,4 M.W =267 Disulfonic Acid	Appearence Assay Insoluble Solubility Impurities	Reddish orange material 90% Min. 0.3% max. Soluble in dilute alkali. 1% Max all impurities Para Amino Azobenzene 0.2% max. All other impurities 0.5% Max,
10	Diamino Azobenzene M,W = 212	Appearence Assay Insoluble Solubility Impurities	Reddish brown material 60% Min for moist material 0.2% Max. Soluble in dilute alkali 1% Max all impurities
11	Sodium Naphthionate (free acid0 M.W=223)	Appearence Assay Insoluble Solubility Impurities	Pinkish moist/dry material 70% Min. 0.2% Max. Soluble in dilute alkali Naphthyl amine 0.1% Ma. Others 0.2% Max.
12	DASDSA M.W =370	Appearence Assay Insoluble Solubility Impurities	Yellow moist/dry material 65% for moist material 90% for dry material 0.2% Max. Soluble in dilute alkali Di – hydro product 1% Max.
13	Diethanolamine M.W=105	Appearence Assay Insoluble Solubility Impurities	Straw yellow viscous liquid 9.8% Min Practically nil Soluble in water and dilute acid Mono ethanolamine 0.1%
14	Morpholine M.W.= 87	Appearence Assay Insoluble Solubility Impurities	Brownish viscous liquid 98% Min Practically Nil Soluble in dilute alkali 1% Max all impurities together.
15	PNCBOSA M.W =237.5	Appearence Assay Insoluble Solubility Impurities	Light yellowish moist material 65% Min 0.2% Max Soluble in dilute alkali 1% Max all impurities together.
16	BDSA M.W.=344	Appearence Assay Insoluble Solubility Impurities	Yellowish moist material 65% Min 0.2% Max Clear solution in dilute alkali Metanilic acid 0.5% Max

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