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CAS RN: 98-42-0 | Product Number: A0491

o-Anisidine-5-sulfonic Acid

Purity: >95.0%(T)
  • 2-Aminoanisole-4-sulfonic Acid
  • 2-Methoxyaniline-5-sulfonic Acid
€ 30,00
3   17  
€ 138,00
9   1  

*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).

Product Number A0491
Purity / Analysis Method >95.0%(T)
Molecular Formula / Molecular Weight C__7H__9NO__4S = 203.21  
Physical State (20 deg.C) Solid
CAS RN 98-42-0
Reaxys Registry Number 2971212
PubChem Substance ID 87562106
SDBS (AIST Spectral DB) 3335
MDL Number


Appearance White to Light yellow to Light red powder to crystal
Purity(Neutralization titration) min. 95.0%(calcd.on dried substance)
Drying loss max. 5.0 %
Sulfuric acid max. 3.0 %
Properties (reference)
Melting Point 305 °C(dec.)
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H314 : Causes severe skin burns and eye damage.
H370 : Causes damage to organs.
H372 : Causes damage to organs through prolonged or repeated exposure.
Precautionary Statements P260 : Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
Related Laws:
EC Number 202-667-5
Transport Information:
UN Number UN2585
Class 8
Packing Group III
HS Number 2922290090
PubMed Literature

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