Amido-G-Acid

Title: Amido-G-Acid
CAS Registry Number: 86-65-7
CAS Name: 7-Amino-1,3-naphthalenedisulfonic acid
Additional Names: 2-naphthylamine-6,8-disulfonic acid; amino-G-acid
Molecular Formula: C10H9NO6S2
Molecular Weight: 303.31
Percent Composition: C 39.60%, H 2.99%, N 4.62%, O 31.65%, S 21.14%
Literature References: Prepd by sulfonation of b-naphthylamine: Fierz-David, Braunschweig, Helv. Chim. Acta 6, 1146 (1923).
Derivative Type: Tetrahydrate
Properties: Fine monoclinic needles. Sol in water, less sol in alc. Soly in water at 20°: 9.24 g in 100 g of satd soln.
Use: Manufacture of dyes.
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