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CAS RN: 121-57-3 | Product Number: S0120

Sulfanilic Acid

Purity: >99.0%(T)(HPLC)
  • 4-Aminobenzenesulfonic Acid
  • p-Anilinesulfonic Acid
  • 4-Sulfoaniline
16,00 €
13   ≥20 
74,00 €
12   19  

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Product Number S0120
Purity / Analysis Method >99.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__6H__7NO__3S = 173.19  
Physical State (20 deg.C) Solid
CAS RN 121-57-3
Reaxys Registry Number 908765
PubChem Substance ID 87575730
SDBS (AIST Spectral DB) 1665
Merck Index (14) 8926
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 99.0 area%
Purity(Neutralization titration) min. 99.0 %
Solubility in Na2CO3 almost transparency
Nitrous salt max. 0.5 ppm
Properties (reference)
Melting Point 288 °C(dec.)
Solubility in water Practically insoluble
Degree of solubility in water 10 g/l   20 °C
Solubility (very slightly) Benzene
Solubility (insoluble in) Alcohol,Ether
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
H317 : May cause an allergic skin reaction.
Precautionary Statements P261 : Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P333 + P313 : If skin irritation or rash occurs: Get medical advice/ attention.
Related Laws:
EC Number 204-482-5
RTECS# WP3895500
Transport Information:
HS Number 2921420090
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