2350. 1,6-Cleve's Acid

Nomenclature

CAS number: 119-79-9
5-Amino-2-naphthalenesulfonic acid; 1-naphthylamine-6-sulfonic acid.
C10H9NO3S; mol wt 223.25.
C 53.80%, H 4.06%, N 6.27%, O 21.50%, S 14.36%.

Description and references

Prepn: Erdmann, Ann. 275, 262 (1893).

Chemical structure

Properties

Crystals. Sol in 1000 parts water. Practically insol in alc, ether.

Use

In manuf of azo dyes.