C6H7NO3S
173.19 g/mol
Dye & PigmentWarning
Metanilic acid
CAS121-47-1EC204-473-6
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Dye intermediate for azo dyes
Metanilic acid is a dye intermediate primarily used in the production of azo dyes. It is an aromatic amine with a sulfonic acid group, giving it moderate polarity and hydrogen-bonding capacity.
Dye intermediate for azo dyesIntermediate for sulfa drugsIntermediate for fine chemicals
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 121-47-1
Related Compounds
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2,4-diaminobenzenesulfonic acid
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Dye intermediate for azo dyes
ReferenceSame Category
3-Amino-4-chlorobenzotrifluoride
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Diazo dye intermediate
ReferenceSame Category
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Intermediate for dye synthesis
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chemical intermediate for dyes
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Intermediate in manufacture of dyes
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
Identifiers
IUPAC Name
3-aminobenzenesulfonic acid
InChIKey
ZAJAQTYSTDTMCU-UHFFFAOYSA-N
SMILES
C1=CC(=CC(=C1)S(=O)(=O)O)N
Synonyms (22)
- 3-AMINOBENZENESULFONIC ACID
- 3-Aminobenzenesulphonic acid
- 3-Sulfoaniline
- 3-anilinesulfonic acid
- AMINOBENZENESULFONIC ACID, M-
- Aminobenzenesulfonic acid
- Aniline-m-sulfonic acid
- Kyselina anilin-3-sulfonova
- Kyselina metanilova
- Kyselina metanilova [Czech]
- Metanilic acid
- aniline-3-sulphonic acid
- m-Aminobenzenesulfonic acid
- m-Aminophenylsulfonic acid
- m-Anilinesulfonic acid
- m-Sulfanilic acid
- m-sulphanilic acid