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CAS RN: 121-19-7 | Product Number: H0287

4-Hydroxy-3-nitrophenylarsonic Acid

Purity: >98.0%(T)(HPLC)
  • Roxarsone
2   19  

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Product Number H0287
Purity / Analysis Method >98.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__6H__6AsNO__6 = 263.04  
Physical State (20 deg.C) Solid
CAS RN 121-19-7
Reaxys Registry Number 1976533
PubChem Substance ID 87570711
SDBS (AIST Spectral DB) 4483
Merck Index (14) 8273
MDL Number


Appearance Light yellow to Yellow powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(Neutralization titration) min. 98.0 %
Solubility in N,N-DMF very faint turbidity
Properties (reference)
Solubility (very soluble in) Acetone,Methanol,Ethanol
Solubility (insoluble in) Ether
Pictogram Pictogram Pictogram
Signal Word Danger
Hazard Statements H301 + H331 : Toxic if swallowed or if inhaled.
H410 : Very toxic to aquatic life with long lasting effects.
Precautionary Statements P261 : Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P273 : Avoid release to the environment.
P264 : Wash skin thoroughly after handling.
P391 : Collect spillage.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
Related Laws:
EC Number 204-453-7
RTECS# CY5250000
Transport Information:
UN Number UN3465
Class 6.1
Packing Group III
HS Number 2931900090
Roxarsone: An Organoarsenic Pesticide

Roxarsone, an organoarsenic pesticide, is widely used in the poultry industry as a feed additive to control coccidial intestinal parasites. Recently, roxarsone has attracted attention as a source of arsenic contamination of poultry and other foods. (The product is for research purpose only.)


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