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CAS RN: 83-64-7 | Product Number: A0369

1-Amino-8-naphthol-4-sulfonic Acid

Purity: >90.0%(N)
  • 4-Amino-5-hydroxy-1-naphthalenesulfonic Acid
  • S Acid
6   2  

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Product Number A0369
Purity / Analysis Method >90.0%(N)
Molecular Formula / Molecular Weight C__1__0H__9NO__4S = 239.25  
Physical State (20 deg.C) Solid
CAS RN 83-64-7
Reaxys Registry Number 2127506
PubChem Substance ID 87562014
SDBS (AIST Spectral DB) 17167
MDL Number


Appearance Light gray to Brown to Black powder to crystal
Purity(with Total Nitrogen) min. 90.0 %
Properties (reference)
Solubility in water Practically insoluble
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 201-491-6
RTECS# QK1295000
Transport Information:
HS Number 2922290090
PubMed Literature

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