6405. 1-Naphthylamine-8-sulfonic Acid

Nomenclature

CAS number: 82-75-7
8-Amino-1-naphthalenesulfonic acid; Peri 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: Fierz, Weissenbach, Helv. Chim. Acta 3, 310 (1920); Martin, Z. Farben-Ind. 20, 9, 76 (1928), C.A. 22, 2665 (1928); Shebuev et al., SU 165746 (1964 to State Scientific Res. Inst. of Org. Intermediates & Dyes), C.A. 62, 10392c (1965).

Chemical structure

Properties

Needles. Sol in 4800 parts cold, 240 parts boiling water; freely sol in glacial acetic acid.

Caution

Irritating to skin.