Dyes Intermediates
Aniline 2:5 Disulfonic Acid
| Chemical Name | Aniline 2.5 Disulphonic Acid |
|---|---|
| Synonyms | 2-amino 1.4-benzenedisulphonic acid |
| 2.5 disulfoaniline4 Sulphometanilic acid | |
| Structural Formula |  |
| CAS No | 98-44-2 |
| 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 |
| Appearance | Moist white powder |
| Insoluble | 0.15% minimum |
| Free acid content | 4% minimum |
| 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 / 50 Kgs. HDPE bags / jumbo with liner |
