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2-Naphthylamine-3,6,8-trisulfonic acid, also known as “K acid,” is an organic compound with the chemical formula C10H10N2O6S3. It is a trisulfonic acid derivative of 2-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. K acid is known for its excellent light fastness and high tinting strength.
| Product Characteristics | Product Detail |
|---|---|
| CAS No | 118-03-6 |
| Formula | C10H9NO9S3 |
| Molecular Weight | 383.37 |
| Synonyms | 1,3,6-Naphthalenetrisulfonic acid, 7-amino-;7-Aminonaphthalene-1,3,6-trisulphonic acid;2-Amino-3,6,8-naphthalenetrisulfonic acid;2-Naphthylamine-3,6,8-trisulfonic acid;Kyselina 2-naftylamin-3,6,8-trisulfonova;Kyselina kochova;BRN 2681042;NSC 7561; |
| EINECS | 204-229-9 |
| Density | 1.974 g/cm3 |