Aniline 2:5 Disulphonic Acid, CAS No. 98 - 44 - 2

Quantity Order:

Synonyms: 2-amino 1,4-benzenedisulphonic acid
2,5 disulfoaniline, 4-sulphometanilic acid

Empirical Formula: C6H7N S2O6

Cas no.: 98 - 44 - 2

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 (By K.F. Method): 5 % Approx.

Metanilic Acid Content: < 0.5 %

Isometric Impurities: Nil

Basis of sale: Real Content (100% Basis) on M.W. 253

Packing: 25 Kgs. / 50 Kgs. HDPE woven bags with PE liner / Jumbo Bags

Applications: 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.

Recommend to your friends