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| CAS No.: | 152-20-5 |
|---|---|
| Name: | O,O,S-trimethyl phosphorothioate |
| Molecular Structure: | |
|
|
|
| Formula: | C3H9 O3 P S |
| Molecular Weight: | 156.142 |
| Synonyms: | HC 7901;Methyl phosphorothioate ((MeO)2(MeS)PO); O,O,S-Trimethyl phosphorothioate;O,O,S-Trimethyl phosphorothiolate; O,O,S-Trimethyl thiophosphate; O,O-DimethylS-methyl phosphorothioate; O,O-Dimethyl S-methyl thiophosphate |
| Density: | 1.211g/cm3 |
| Boiling Point: | 169°Cat760mmHg |
| Flash Point: | 56°C |
| Safety: | Poison by ingestion, intravenous, and intraperitoneal routes. An experimental teratogen. Other experimental reproductive effects. When heated to decomposition it emits toxic fumes of POx and SOx. |
| PSA: | 70.64000 |
| LogP: | 1.75030 |
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- 67-56-1
methanol
- 71216-76-7
Benzyl-thiophosphoramidic acid O,S-dimethyl ester
- 152-20-5
O,O,S-trimethyl phosphorothioate
| Conditions | Yield |
|---|---|
| With boron trifluoride methanol complex 1) 0 deg C, 1h, 2) RT, overnight; | 86% |
- 67-56-1
methanol
- 65960-94-3, 87000-69-9, 25218-42-2
N,N-dimethyl O,S-dimethyl phosphoramidothioate
- 152-20-5
O,O,S-trimethyl phosphorothioate
| Conditions | Yield |
|---|---|
| With boron trifluoride methanol complex 1) 0 deg C, 1h, 2) RT, overnight; | 80% |
| Conditions | Yield |
|---|---|
| With boron trifluoride methanol complex 1) 0 deg C, 1h, 2) RT, overnight; | 74% |
| Conditions | Yield |
|---|---|
| With 1,3,5-trichloro-2,4,6-triazine In acetonitrile at 80℃; for 1h; | 71% |
- 133984-31-3
2,6-lutidinium O,O-dimethyl phosphorothioate
- 74-88-4
methyl iodide
- 152-20-5
O,O,S-trimethyl phosphorothioate
| Conditions | Yield |
|---|---|
| In dichloromethane for 0.5h; | 63% |
| Conditions | Yield |
|---|---|
| With monoperoxyphthalic acid; magnesium salt In dichloromethane for 12h; Heating; | 51% |
- 1112-38-5
O,O-dimethyl S-hydrogen phosphorothioate
- 538-75-0
dicyclohexyl-carbodiimide
A
- 152-20-5
O,O,S-trimethyl phosphorothioate
B
- 152-18-1
O,O,O-trimethylthiophosphate
C
- 1212-29-9
1,3-dicyclohexylthiourea
| Conditions | Yield |
|---|---|
| In diethyl ether; Petroleum ether Mechanism; Product distribution; Ambient temperature; solvents: diethylether, accetonitrile; | A n/a B n/a C 35% |
- 186581-53-3, 908094-01-9
diazomethane
- 42576-53-4
O,S-dimethyl phosphorothiolate
- 152-20-5
O,O,S-trimethyl phosphorothioate
| Conditions | Yield |
|---|---|
| With 1,4-dioxane; diethyl ether | |
| Methylation; |
| Conditions | Yield |
|---|---|
| With sodium; benzene |
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Chemistry
Chemical Name: O,O,S-Trimethyl phosphorothioate
IUPAC NAME: [Methoxy(methylsulfanyl)phosphoryl]oxymethane
CAS No.: 152-20-5
Molecular Formula: C3H9O3PS
Molecular Weight: 156.14 g/mol
Density: 1.211 g/cm3
Flash Point: 56 °C
Boiling Point: 169 °C at 760 mmHg
Following is the structure of Dimethylthiomethylphosphate (152-20-5):
The chemical synonymous of Dimethylthiomethylphosphate (152-20-5) are O,O,S-Trimethylphosphorothiolate ; Trimethylphosphorothioate ; Phosphorothioic acid, O,O,S-trimethyl ester ; HC-7901 ; Thiophosphoric acid O,O,S-trimethyl ; Thiophosphoric acid O,O,S-trimethyl ester
Toxicity Data With Reference
| 1. | orl-rat TDLo:40 mg/kg (female 20D post):REP | ARTODN Archives of Toxicology. 61 (1988),378. | ||
| 2. | orl-rat TDLo:40 mg/kg (female 8-10D post):TER | TOLED5 Toxicology Letters. 32 (1986),185. | ||
| 3. | orl-rat LD50:15 mg/kg | JAFCAU Journal of Agricultural and Food Chemistry. 27 (1979),463. | ||
| 4. | ipr-rat LD50:51 mg/kg | ARTODN Archives of Toxicology. 51 (1982),221. | ||
| 5. | ivn-rat LD50:45 mg/kg | DTESD7 Developments in Toxicology and Environmental Science. 8 (1980),631. | ||
| 6. | orl-mus LD50:38 mg/kg | PCBPBS Pesticide Biochemistry and Physiology. 24 (1985),251. | ||
| 7. | ipr-mus LD50:5 mg/kg | ACPMAP Actualites Pharmacologiques. 16 (1963),7. | ||
| 8. | ivn-mus LD50:123 mg/kg | DTESD7 Developments in Toxicology and Environmental Science. 8 (1980),631. |
Safety Profile
Poison by ingestion, intravenous, and intraperitoneal routes. An experimental teratogen. Other experimental reproductive effects. When heated to decomposition it emits toxic fumes of POx and SOx.