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CAS RN: 133-78-8 | Product Number: A0329

m-Toluidine-4-sulfonic Acid

Purity: >95.0%(T)
  • 5-Aminotoluene-2-sulfonic Acid
  • 3-Methylaniline-4-sulfonic Acid
  • 4-Amino-2-methylbenzenesulfonic Acid
7   1  

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* The storage conditions are subject to change without notice.

Product Number A0329
Purity / Analysis Method >95.0%(T)
Molecular Formula / Molecular Weight C__7H__9NO__3S = 187.21  
Physical State (20 deg.C) Solid
CAS RN 133-78-8
Reaxys Registry Number 2098723
PubChem Substance ID 87561980
SDBS (AIST Spectral DB) 18943
MDL Number


Appearance White to Gray to Brown powder to crystal
Purity(Neutralization titration) min. 95.0 %
Properties (reference)
Signal Word Warning
Hazard Statements H320 : Causes eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Related Laws:
RTECS# XT6325000
Transport Information:
H.S.code* 2921.43-000
*This code is applied to the products when TCI exports from Japan and not for import in your country.
PubMed Literature

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