Dyes Intermediates
B.D.S.A.
| Product Name | Benzedine – Disulphonic Acid (B.D.S.A.) |
|---|---|
| Chemical Name | 4-4’ diamino diphenyl 2-2’ disulphonic acid |
| Benzedine 2-2’disulphonic acid | |
| Structural Formula |  |
| Chemical Formula | C12H12S2O6N2 |
| Molecular weight | 344 gm / mole |
| CAS No | 117-61-3 |
| Purity by nitrite value | 70 % minimum |
| Appearance | Off White Or Pink To Yellow Amorphous Powder |
| Isomer Content | Metanilic acid less than 0.5 % tested on TLC |
| Insoluble | less than 0.2% |
| Solubility | Soluble In Soda Ash & Caustic Solution |
| Applications | intermediate for reactive he Series |
| Acid Dyes & Pigments | |
| he dyes: yellow 84, orange 84 | |
| Acid dyes: red 97, 144 Orange 56, 42, 87 | |
| Packing | 25/50 kg packed in H.D.P.E. Woven | Bags with polyethylene liner inside |
