Synonyms:

2 NAPTHOL 6 SULPHONIC ACID (SODIUM SALT);2-NAPHTHOL-6-SULFONIC ACID SODIUM SALT DIHYDRATE;2-NAPHTHOL-6-SULFONIC ACID SODIUM SALT;2-NAPHTHOL-6-SULFONIC ACID SODIUM;6-HYDROXY-2-NAPHTHALENESULFONIC ACID SODIUM SALT;6-Hydroxy-2-naphthalenesulfonic acid sodium salt hydrate;Sodium 6-naphthol-2-sulfonate;Schaeffer's acid sodium salt

Canonical SMILES: C1=CC2=C(C=CC(=C2)S(=O)(=O)[O-])C=C1O.[Na+]

Melting Point: >300 °C(lit.)

Hazard Codes: Xi,Xn

Risk Statements:  36/37/38-20/21/22

Safety Statements: 26-36-36/37/39-22

WGK Germany: 3