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4 B Acid

We are one of India's leading manufacturers, exporters & suppliers of 4 B Acid. Its chemical name is 2-Amino-5-methylbenzenesulfonic acid. The CAS Number of 4 B Acid is 88-44-8 and its chemical formula is C7H9NO3S. The most common end use is Pigments and its various other synonyms are 4-Aminotoluene-3-sulfonic acid; Ptmsptmsa; PTMS; PTMSA .

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Chemical Name 2-Amino-5-methylbenzenesulfonic acid
Chemical Formula

C7H9NO3S

CAS# 88-44-8
Value Chain Nitro Toluene
End Use Pigments
Appearance White to grey solid
Purity > 99.5%
Synonyms 4-Aminotoluene-3-sulfonic acid; Ptmsptmsa; PTMS; PTMSA