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Cas Database |
| Name |
Phenyl arsine oxide |
EINECS | 211-275-3 |
| CAS No. | 637-03-6 | Density | 1 |
| PSA | 17.07000 | LogP | 0.47410 |
| 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. | Melting Point |
145-148 °C |
| Formula | C6H5 As O | Boiling Point | 100oC |
| Molecular Weight | 168.027 | Flash Point | N/A |
| Transport Information | N/A | Appearance | WHITE TO ALMOST WHITE CRYSTALS OR CRYST. POWDER |
| Safety | Poison by intravenous and intraperitoneal routes. When heated to decomposition it emits toxic fumes of As. See also ARSENIC COMPOUNDS. | Risk Codes | R23/25;R50/53; |
| Molecular Structure |
|
Hazard Symbols |
 T N
|
| Synonyms |
Benzene,arsenoso- (6CI);Arsenosobenzene;Arzene;NSC 42470;Oxophenylarsine;Phenylarsine oxide;Phenylarsoxane; |
Article Data | 18 |
Phenyl arsine oxide Chemical Properties
IUPAC Name: Arsorosobenzene
Synonyms: Arsine, oxophenyl- ; Oxo(phenyl)arsan ; Oxo(phenyl)arsane ; Oxo(phenyl)arsine ; Phenyl arsenoxide
Product Categories: Organometallics;As (Arsenic) Compounds;Classes of Metal Compounds;Semimetal Compounds
CAS NO:637-03-6
Molecular Formula of Phenyl arsine oxide (CAS NO.637-03-6) :C6H5AsO
Molecular Weight of Phenyl arsine oxide (CAS NO.637-03-6) :168.02
Molecular Structure of Phenyl arsine oxide (CAS NO.637-03-6) :
EINECS: 211-275-3
Melting point: 145-148 °C
Storage temp: Poison room
Solubility DMSO: 50 mg/mL
Stability: Stable.
Appearance:white to almost white crystals or cryst. powder
Melting point :144-146 °C (119-120 °C)
Solubility: soluble in chloroform, hot ethanol, hot benzene, slightly soluble in ethanol, insoluble in water and ether.
Phenyl arsine oxide Uses
Phenyl arsine oxide (CAS NO.637-03-6) is used in organic synthesis. The toxic materials is used as pesticides.
Phenyl arsine oxide Production
Raw materials :Potassium iodide-->Sulfur dioxide-->PHENYLARSONIC ACID
Adding Benzene arsenic acid, Methanol, concentrated Hydrochloric acid by weight ratio 1:5:2 mix, add a little Potassium iodide, and then pass into the Sulfur dioxide to saturation. The reaction of the oil-like Benzene, arsenic dichloride dissolved by Sodium hydroxide solution, and then neutralization by Hydrochloric acid ,precipitation out of Benzene, arsenic oxide.
Phenyl arsine oxide Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 1930ug/kg (1.93mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 74, Pg. 210, 1942. | |
| mouse | LD50 | unreported | 1900ug/kg (1.9mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 70, Pg. 221, 1940. | |
| mouse | LDLo | intravenous | 1570ug/kg (1.57mg/kg) | Pharmaceutical Bulletin. Vol. 2, Pg. 19, 1954. | |
| rabbit | LD50 | intravenous | 790ug/kg (0.79mg/kg) | Journal of Pharmacology and Experimental Therapeutics. Vol. 69, Pg. 342, 1940. |
Phenyl arsine oxide Consensus Reports
Arsenic and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.
Phenyl arsine oxide Safety Profile
Poison by intravenous and intraperitoneal routes. When heated to decomposition it emits toxic fumes of As. See also ARSENIC COMPOUNDS.
Hazard Codes
T,
N
Risk Statements 23/25-50/53
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 20/21-28-45-60-61
S20/21: When using, do not eat, drink or smoke
S28:After contact with skin, wash immediately with plenty of soap-suds.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S60:This material and its container must be disposed of as hazardous waste.
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
RIDADR UN 3465 6.1/PG 3
WGK Germany 3
RTECS CH8100000
HazardClass 6.1
PackingGroup III
Phenyl arsine oxide Standards and Recommendations
OSHA PEL: TWA 0.5 mg(As)/m3
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