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CAS RN: 98-37-3 | Product Number: A0399

3-Amino-4-hydroxybenzenesulfonic Acid Hydrate

Purity: >98.0%(T)
  • 2-Aminophenol-4-sulfonic Acid Hydrate
  • 4-Hydroxymetanilic Acid Hydrate
€ 19,00
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Product Number A0399
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__6H__7NO__4S·xH__2O = 189.19  
Physical State (20 deg.C) Solid
CAS RN 98-37-3
Reaxys Registry Number 514765
PubChem Substance ID 87562035
SDBS (AIST Spectral DB) 10121
MDL Number


Appearance Orange to Amber to Dark red powder to crystal
Purity(Neutralization titration) min. 98.0%(calcd.on anh.substance)
Water max. 9.0 %
Properties (reference)
Melting Point 220 °C(dec.)
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
EC Number 202-662-8
Transport Information:
HS Number 2922290055
PubMed Literature

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