- Trimethylarsine oxide
- Trimethylarsine selenide
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Cas Database |
| Name |
Trimethylarsine oxide |
EINECS | N/A |
| CAS No. | 4964-14-1 | Density | N/A |
| PSA | 17.07000 | LogP | 1.25180 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C3H9 As O | Boiling Point | 170.7 °C at 760 mmHg |
| Molecular Weight | 136.025 | Flash Point | 56.4 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Low toxicity by ingestion. Mutation data reported. When heated to decomposition it emits toxic vapors of As. | Risk Codes | R11; R23/25; R50/53 |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Trimethylarsineoxide; Trimethylarsinoxide |
Article Data | 11 |
Trimethylarsine oxide Synthetic route
- 4964-14-1
trimethylarsine oxide
| Conditions | Yield |
|---|---|
| With GLUTATHIONE; arsenic(III) trioxide at 100℃; for 2h; pH=8; aq. buffer; | 99% |
| Conditions | Yield |
|---|---|
| With GLUTATHIONE In water at 100℃; for 2h; pH=8; Product distribution / selectivity; Tris-HCl buffer solution; | 97% |
- 4964-14-1
trimethylarsine oxide
| Conditions | Yield |
|---|---|
| With GLUTATHIONE; arsenic(III) trioxide at 100℃; for 2h; pH=8; aq. buffer; | 97% |
B
- 418758-51-7
cacodyloxide
C
- 4964-14-1
trimethylarsine oxide
| Conditions | Yield |
|---|---|
| With GLUTATHIONE In water at 100℃; for 2h; pH=8; Product distribution / selectivity; Tris-HCl buffer solution; | A 6% B 14% C 79% |
| With GLUTATHIONE In water at 100℃; for 2h; pH=8; Product distribution / selectivity; Tris-HCl buffer solution; | A 41% B 30% C 15% |
| Conditions | Yield |
|---|---|
| With sulfuric acid at 150 - 250℃; | |
| With oxygen | |
| With diethyl ether; bromine Behandlung des Reaktionsprodukts mit wss.K2CO3-Loesung; |
| Conditions | Yield |
|---|---|
| With air | |
| With diethyl ether |
| Conditions | Yield |
|---|---|
| With water; oxygen |
| Conditions | Yield |
|---|---|
| With methanol; sodium hydroxide |
| Conditions | Yield |
|---|---|
| at 250℃; |
Trimethylarsine oxide Chemical Properties
IUPAC Name: Dimethylarsorylmethane
Molecular Formula: C3H9AsO
Molecular Weight: 136.04
Boiling Point: 170.7 °C at 760 mmHg
Flash Point: 56.4 °C
Freely Rotating Bonds: 0
Polar Surface Area: 17.07 Å2
Enthalpy of Vaporization: 39.03 kJ/mol
Vapour Pressure: 1.93 mmHg at 25°C
The Cas Register Number of Trimethylarsine oxide is 4964-14-1.The chemical synonyms of Trimethylarsine oxide (CAS NO.4964-14-1) are Arsorane, trimethyl-, oxide ; Trimethylarsane oxide ; (CH3)3As=O ; Arsine oxide, trimethyl- ; Arsine, trimethyl-, oxide ; C052920 ; Trimethyl Arsine Oxide ; Trimethylarsine oxide .The molecular structure of Trimethylarsine oxide (CAS NO.4964-14-1) is
.
Trimethylarsine oxide Uses
Trimethylarsine oxide (CAS NO.4964-14-1) is used as pharmaceutical intermediate.
Trimethylarsine oxide Toxicity Data With Reference
| 1. | cyt-hmn-fbr 3700 µmol/L | MUREAV Mutation Research. 357 (1996),123. | ||
| 2. | orl-mus LD50:10,600 mg/kg | JAFCAU Journal of Agricultural and Food Chemistry. 45 (1997),449. |
Trimethylarsine oxide Safety Profile
Low toxicity by ingestion. Mutation data reported. When heated to decomposition it emits toxic vapors of As.
Hazard Codes: 
T,
N
Risk Statements: 11-23/25-50/53
R11: Highly flammable.
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: 3/7-9-23-45-61-60-28-20/21
S3/7: Keep container tightly closed in a cool place .
S9: Keep container in a well-ventilated place.
S23: Do not breathe vapour.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S61: Avoid release to the environment. Refer to special instructions / safety data sheets.
S60: This material and its container must be disposed of as hazardous waste.
S28: After contact with skin, wash immediately with plenty of soap-suds.
S20/21: When using, do not eat, drink or smoke .
RIDADR: 1992
RTECS: CH8800000
HazardClass: 4.2
PackingGroup: I
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