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2-Amino-5-methylbenzenesulfonic acid (4b Acid)

2-Amino-5-methylbenzenesulfonic acid (4b Acid)

CAS Number: 88-44-8

Molecular Formula: C7H9NO3S

About the product

2-Amino-5-methylbenzenesulfonic acid (CAS No: 88-44-8), commonly known as 4B Acid, serves as a cornerstone intermediate in the global organic pigment industry, specifically for the synthesis of high-performance azo pigments like C.I. Pigment Red 57:1 (Lithol Rubine BK) used extensively in solvent-based packaging inks a...

2-Amino-5-methylbenzenesulfonic acid (4b Acid) Specifications

CAS Number

88-44-8

Molecular Formula

C7H9NO3S

IUPAC Name

2-amino-5-methylbenzenesulfonic acid

Canonical SMILES

CC1=CC(=C(C=C1)N)S(=O)(=O)O

InChI Key

LTPSRQRIPCVMKQ-UHFFFAOYSA-N

HSN No

29214300

Frequently Asked Questions

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