Tobias Acid

Tobias acid or 2-amino-1-naphthalenesulfonic acid is an organic compound, It is aminonaphthalenesulfonic acids, which are derivatives of naphthalene containing both amine and sulfonic acid functional groups. It is a white solid. It is used in the synthesis of azo dyes such as C.I. Acid Yellow 19 and C.I. Pigment Red 49.

CAS No 81-16-3
Molecular Weight 223.25
Synonyms 1-Sulfo-2-naphthylamine; 2-Amino-1-naphthalenesulfonic acid
EINECS No 201-331-5

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