Tobias acid

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Description

A common name for 2-naphthylamine-1-sulfonic acid. Tobias acid is used to make azo dyes, such as lithol red. It is also used as an optical brightener.

Synonyms and Related Terms

naphthylamine sulfonic acid; 2-amino-1-naphthalene-sulfonic acid

Physical and Chemical Properties

Soluble in hot water.

Composition NH2C10H6SO3H
Melting Point 250 C (dec)

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