Product Description

Aniline 2:5 Disulphonic Acid Synonyms: *-amino 1, *-benzenedisulphonic acid, 2, 5 disulfoaniline, *-sulphometanilic acid Empirical Formula: C6H7N S2O6 CAS no.: *8 - *4 - 2 Purity (Amine value of Free acid): *0 % Minimum. Molecular Weight (As Free acid): **3 gm/mol. Appearance: Moist White Powder Insoluble: 0.*5 % Maximum. Free Acid Content: 4 % Maximum. Moisture Content (By ***** Method): 5 % Approx. Metanilic Acid Content: < 0.5 % Basis of sale: Real Content (**0% Basis) on M.W. **3 Packing: *5 Kgs. / *0 Kgs. HDPE woven bags with PE liner / Jumbo Bags Applications: Intermediate for Optical Brightening Agents and for dyes like Direct Blue *0, *8, *2, *3, Direct Black *7, Direct Green *0, Direct Red **3, Film Orange P (by), Mordant Azol Printing Bordeaux B, Pigment Saturn Yellow 5 GL etc.