Metanilic Acid

Metanilic acid is used in the manufacture of azo dyes and in synthesis sulfa drugs.
Appearance White powder
CAS Number 121-47-1
ChEBI 27764
Class 8
Density 1.69 g/cm3
EINECS Number 204-473-6
HS Code 2921.42
IUPAC Name 3-Aminobenzenesulfonic Acid
InChI 1S/C6H7NO3S/c7-5-2-1-3-6(4-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
Melting Point >300 °C
Molar Mass 173.19 g/mol
Molecular Formula C6H7NO3S
NFPA 704 H-2,F-0,R-0,C-NA
PG 3
RTECS Number OY2300000
Solubility Slightly soluble
Synonyms m-Aminobenzenesulfonic Acid;m-Anilinesulfonic Acid;m-Sulfanilic Acid;1-Aminobenzene-3-sulfonic Acid;Aminobenzenesulfonic Acid;Benzenesulfonic acid, 3-amino-;Metanilic Acid