Title: 1,7-Cleve's Acid
CAS Registry Number: 119-28-8
CAS Name: 8-Amino-2-naphthalenesulfonic acid
Additional Names: 1-naphthylamine-7-sulfonic acid
Molecular Formula: C10H9NO3S
Molecular Weight: 223.25
Percent Composition: C 53.80%, H 4.06%, N 6.27%, O 21.50%, S 14.36%
Literature References: Prepn: Erdmann, Ann. 275, 262 (1893); Roos et al., US 2875243 (1959 to Bayer). Industrial synthesis: Nakahara et al., J. Synth. Org. Chem. Jpn. 29, 1129 (1971).
Properties: Needles or prisms from water contg 1H2O. Sol in 220 parts water; very slightly sol in alcohol, ether.
Use: In manuf of azo dyes. |