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Laurent acid (also known as 5-Sulfo-1-naphthylamine or 1-Amino-5-naphthalenesulfonic acid) is an organic compound with the chemical formula C10H9NO3S. It is a sulfonic acid derivative of 1-naphthylamine and is used as a dye intermediate. It is used to produce a variety of dyes, pigments, and other colorants for a wide range of applications such as textile, leather, and paper industries. Laurent acid is known for its excellent light fastness and high tinting strength.
| Product Characteristics | Product Detail |
|---|---|
| CAS No | 84-89-9 |
| Formula | C10H9NO3S |
| Molecular Weight | 223.25 |
| Synonyms | NSC 7553;NSC 28691;Laurent acid;5-Sulfo-1-naphthylamine;1-Amino-5-naphthalenesulfonicacid;1-Amino-5-sulfonaphthalene;5-Naphthylamine-1-sulfonic acid;1-Naphthylamine-5-sulfonic acid; |
| EINECS | 201-571-0 |
| Density | 1.502 g/cm3 |
| Melting Point | >300 `C |
| Solubility | Soluble in hot water |
| Appearance | White or pale pink needle-like crystal |