• Orgo - Chem (Gujarat) Private Limited

Aniline 2:5 Disulphonic Acids

Orgo - Chem (Gujarat) Pvt. Ltd offers Aniline 2:5 Disulphonic Acid, CAS No 98 - 44 - 2. The synonym of the acid Synonyms: 2-amino 1,4-benzenedisulphonic acid 2,5 disulfoaniline, 4-sulphometanilic acids. Specifications: empirical formula: C6H7N S2O6; purity (amine value of free acid): 80 %; minimum. Purity (amine value of sodium salt): 87 % minimum; molecular weight (as free acid): 253 gm/mol; molecular weight (as sodium salt): 275.5 gm/mol; appearance: moist white powder; insoluble: 0.15 % maximum; free acid content: 4 % maximum; moisture content: 5 % approx; metanilic acid content: < 0.5 %; isometric impurities: Nil; packing: 25 Kgs. / 50 Kgs. HDPE woven bags with PE liner / Jumbo Bags. Applications: used as intermediate for optical brightening agents and for dyes like direct blue 70, 78, 82, 83, direct black 77, direct green 20, direct red 103, film orange P (by), Mordant Azol printing Bordeaux B, pigment Saturn yellow 5 GL etc.