Benzedine – Disulphonic Acid
Chemical formula: C12H12N2O6S2
Molecular weight: 344.36
CAS NO.: 117-61-3
Property:
| Item | Index |
| (1)Appearance | Pale yellow to off white moist crystalline powder |
| (2)Purity | 75% Min |
| (3) Solubility | Soluble in soda ash and caustic solution |
| (4) Metanillic Acid Content | 0.5% Maximum |
| (5) Insoluble in Alkali | 0.3% Maximum |
| (6) Density | 1.681 g/cm3 |
| (7) EINECS | 204-200-0 |
Synonyms: 2,2′-Biphenyldisulfonicacid, 4,4′-diamino- (6CI,7CI,8CI);2,2′-Benzidinedisulfonic acid;2,2′-Disulfo-4,4′-diaminobiphenyl;2,2′-Disulfobenzidine;4,4′-Diaminobiphenyl-2,2′-bis(sulfonic acid);4,4′-Diaminobiphenyl-2,2′-disulfonic acid;6,6′-Bimetanilic acid;NSC 3763;
Main use: Intermediate for reactive he Series, Acid Dyes & Pigments, He dyes : yellow 84, orange 84, Acid dyes: red 97, 144 Orange 56, 42, 8
Packing: In 25 or 50 kg HDPE Bags with inside liner or Jumbo Bags with inside liner.