C8H11NO4S
217.24 g/mol
Dye & PigmentDanger
4-Amino-5-methoxy-2-methylbenzenesulfonic acid
CAS6471-78-9EC229-319-5
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
intermediate for specialty dyes
4-Amino-5-methoxy-2-methylbenzenesulfonic acid, also known as p-cresidinesulfonic acid, is a synthetic organic chemical derived from toluidine. It is primarily used as an intermediate in the production of specialty dyes for food products.
intermediate for specialty dyesused in the manufacture of food dyes
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 6471-78-9
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Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Identifiers
IUPAC Name
4-amino-5-methoxy-2-methylbenzenesulfonic acid
InChIKey
JBAVAJIXZVRJHT-UHFFFAOYSA-N
SMILES
CC1=CC(=C(C=C1S(=O)(=O)O)OC)N
Synonyms (16)
- Allura Red Impurity 2
- Cresidine-p-sulfonic Acid
- p-Cresidine-4-sulfonic acid