Sourcing

Sr. No.	NAME OF RAW MATERIALS	PARAMETERS SPECIFIED	REQUIREMENTS
1	H-Acid M.W. =319	Appearance 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	Appearance 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	Cyanuric Chloride M. W=184.5	Appearance Assay Insoluble Solubility Impurities	White crystalline powder Highly lacrymatic 98% Min. 0.1% in Benzene Clear Solution in Benzene Nil
4	Sodium Naphthionate (free acid0 M.W=223)	Appearance 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.
5	DASDSA M.W =370	Appearance 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.
6	BDSA M.W.=344	Appearance Assay Insoluble Solubility Impurities	Yellowish moist material 65% Min 0.2% Max Clear solution in dilute alkali Metanilic acid 0.5% Max
7	Tobias Acid M.W =223	Appearance Assay Insoluble Solubility Impurities	Light pinkish dry powder 98% Min. 0.2% Max Soluble in dilute alkali
8	2-pyridone M.W.=196	Appearance Assay Insoluble Solubility Impurities	Plate yellow dry powder 95% Min 0.2% Max Soluble in dilute alkali 1% Max all together
9	Vinyl Sulfone M.W=311 (ortho anisidine base)	Appearance Assay Insoluble Solubility Impurities	Off white to light gray dry powder 90% Min 0.5% Max. Soluble in water Difference between Diazo value and hydrolysis value 4% Max.
10	Vinyl Sulfone M.W.=341 2,5-Di Methoxy aniline base	Appearance Assay Insoluble Solubility Impurities	Grayish dry powder 85% Min 0.8% Max Soluble in water Difference between Diazo value and hydrolysis value 3% Max.
11	Vinyl Sulfone M.W.=325 (para cresidine)	Appearance Assay Insoluble Solubility Impurities	Grayish dry powder 90% Min 0.5% Max Soluble in dilute alkali forming clear solution with bluish fluorescence. Amino G. 0.3% Max
12	K-Acid M.W=383	Appearance Assay Insoluble Solubility Impurities	Yellowish moist material 65% Min 0.2% Max Soluble in dilute alkali forming clear solution with bluish fluorescence 1.0% Max all together
13	C-Acid M.W.=303	Appearance Assay Insoluble Solubility Impurities	Pinkish moist/dry material 65% Min for moist material 80% Min for dry material 0.20% Max Clear solution in dilute alkali with bluish 1.0% Max all together
14	Meta Ureido Anline M.W.=151	Appearance Assay Insoluble Solubility Impurities	Pinkish dry powder 70% Min. 0.2% Max Clear solution in hot dilute acid 2% max Di Ureido product
15	Metanilic Acid M.W.=173	Appearance Assay Insoluble Solubility Impurities	White to light pinkish dry powder 98% Min. 0.2% Max. Clear Solution dilute alkali Nil
16	Orthanlic Acid M.W=173	Appearance Assay Insoluble Solubility Impurities	White to cream colored dry powder 98% Min 0.2% Max. Clear solution in dilute alkali Nil
17	5 – Sulfo Anthanilic Acid M.W = 217	Appearance Assay Insoluble Solubility Impurities	Pale yellow dry powder 95% Min 0.2% Max. Clear solution in dilute alkali Anthranilic acid Nil Paper Chromatogram – single spot
18	Metaphenylene Diamine M.W=108	Appearance Assay Insoluble Solubility Impurities	Blackish crystalline material 95% Min 0.2% Max Clear solution water. Nil
19	Beta Naphthol M.W.=144	Appearance Assay Insoluble Solubility Impurities	Off-white thin-small flakes 98% min set point 121 C o.1% Max Soluble in dilute Caustic Soda 1 – Naphthol 0.3% Max.
20	Para Phenylene diamine (PPD) M.W.=108	Appearance 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
21	MPDSA M.W = 188	Appearance 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.
22	MPDSA M.W = 268	Appearance Assay Insoluble Solubility Impurities	Brownish dry material 80% Min 0.2% Max Soluble in dilute alkali 2% Max all impurities
23	Gamma Acid M.W.=239	Appearance 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%
24	N -Methyl J – Acid M.W.=253	Appearance 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.
25	Sulfo Tobias Acid M.W.=303	Appearance Assay Insoluble Solubility Impurities	Light pinkish moist material 65% Min 0.2% Max Clear solution in dilute alkali Unreacted Tobias Acid – Nil 2- Napthyl amine 5- Sulfonic acid – Nil
26	Vinyl sulfone (para base) M.W =281	Appearance 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.
27	Bromamine Acid M.W.=382	Appearance Assay Insoluble Solubility Impurities	Bright red powder 90% Min 0.2% Max Soluble in hot dilute alkali 1% Max. Unbrominated product.