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Naphthalene-2-sulfonic acid (BNSA) is a chemical compound that is used as an intermediate in the synthesis of various industrial products such as dyes, pigments, and pesticides. It is also used as a surfactant and in the production of paper and pulp. BNSA is a white crystalline powder that is soluble in water, and it has a strong sulfonic acid group. It is usually produced by the sulfonation of naphthalene.
| Product Characteristics | Product Detail |
|---|---|
| CAS No | 120-18-3 |
| Formula | C10H8O3S |
| Molecular Weight | 208.24 |
| Synonyms | 2-Naphthylsulfonicacid, 2-Sulfonaphthalene, Dirinal NSK, b-Naphthalenesulfonic acid, b-Naphthylsulfonic acid, Kyselina 2-naftalensulfonova, 2-Naphthalenesulfonic acid |
| EINECS | 204-375-3 |
| Density | 1.423 g/cm3 |
| Melting Point | 124 `C |
| Solubility | Soluble in water, ethanol and ethyl ether |
| Appearance | off white powder |