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Certificate of Analysis

1-Amino-2-naphthol-4-sulphonic acid, GR 98%+

Code: A 1987

(For eg. B 1615-0108)

1-Amino-2-naphthol-4-sulphonic acid is an aromatic amino-sulfonic acid.

A 1987 (OTTO) 1-Amino-2-naphthol-4-sulphonic acid, GR 98%+ Cas 116-63-2 - used as mordant dyes and acid dyes intermediate.