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637-03-6

Name Phenylarsine oxide
CAS 637-03-6
EINECS(EC#) 211-275-3
Molecular Formula C6H5AsO
MDL Number MFCD00001990
Molecular Weight 168.02
MOL File 637-03-6.mol
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Chemical Properties

Appearance WHITE TO ALMOST WHITE CRYSTALS OR CRYST. POWDER
Melting point  145-148 °C
storage temp.  Poison room
solubility  DMSO: 50 mg/mL
form  powder
color  white to yellow
Stability: Stable.
Water Solubility  Soluble in dimethyl sulfoxide, chloroform, benzene, ether, ethanol, 50:50 dimethyl sulfoxide:1 M hydrochloric acid (3.0 mg/ml) and toluene. Insoluble in water.
Merck  14,6949
BRN  2935227
CAS DataBase Reference 637-03-6(CAS DataBase Reference)
EPA Substance Registry System Oxophenylarsine (637-03-6)

Safety Data

Hazard Codes  T,N
Risk Statements 
R23/25:Toxic by inhalation and if swallowed .
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S20/21:When using, do not eat, drink or smoke .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 3465 6.1/PG 3
WGK Germany  3
RTECS  CH8100000
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29310099
Safety Profile
Poison by intravenous and intraperitoneal routes. When heated to decomposition it emits toxic fumes of As. See also ARSENIC COMPOUNDS
Toxicity
LD50 ipr-mus: 1930 mg/kg JPETAB 74,210,42

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