
Aniline 2,5-disulfonic acid (A2,5-DSA) is an organic compound that is formed by the sulfonation of metanilic acid, which is an amine derived from benzene. It is a white crystalline solid that is soluble in water and has a strong acidic character. It is used as an intermediate in the production of certain dyes and pigments, as well as in the synthesis of other chemicals.
Common Uses
Dyes intermediate, pigments manufacturing, chemical synthesis
| Property | Aniline 2 5 DSA |
|---|---|
| CAS Number | 98-44-2 |
| Molecular Formula | C6H7NO6S2 |
| Molecular Weight | 253.25 |
| Synonyms | 6-Aminobenzene-1,4-disulfonic acid, 2-Amino-p-benzenedisulfonic acid, 4-Sulfometanilic acid |
| Purity | 80% min |
| Insolubles | < 0.10% |
| Melting Point | >300°C |
| Packing | 25 kg/ 500 kg bags |
| Sale Basis | On 100% Basis |
| Appearance | White powder |