Amsonic Acid
Structural Formula Vector Image
Title: Amsonic Acid
CAS Registry Number: 81-11-8
CAS Name: 2,2¢-(1,2-Ethenediyl)bis[5-aminobenzenesulfonic acid]
Additional Names: 4,4¢-diamino-2,2¢-stilbenedisulfonic acid
Molecular Formula: C14H14N2O6S2
Molecular Weight: 370.40
Percent Composition: C 45.40%, H 3.81%, N 7.56%, O 25.92%, S 17.31%
Literature References: Prepn: Bender, Schultz, Ber. 19, 3234 (1886); H. E. Fierz-David, L. Blangey, Grundlegende Operationen der Farbenchemie (Springer-Verlag, Vienna, 7th ed., 1947) p 161; Spiegler, US 2784220 (1957 to du Pont).
Properties: Yellow needles; very slightly sol in water. Forms sparingly water-sol, crystalline salts with many bisquaternary ammonium bases.
Use: In manuf of dyes, bleaching agents.

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