O,O,S-trimethyl phosphorothioate
Also known as: O,O-Dimethyl S-methyl thiophosphate, Trimethyl phosphorothioate, O,O,S-Trimethylthiophosphate, Thiophosphoric acid O,O,S-trimethyl ester, HC7901, 8000 Bis HC, Dimethylthiomethylphosphate, [methoxy(methylsulfanyl)phosphoryl]oxymethane, [methoxy-(methylthio)phosphoryl]oxymethane, phosphorothioic acid O,O,S-trimethyl ester, S-triMethyl ester, Thiophosphorsaeure-O,O',S-trimethylester, O,O,S-trimethyl thiophosphate
O,O,S-trimethyl phosphorothioate (CAS 152-20-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H9O3PS and a molecular weight of 156.14100 g/mol. Key properties include a boiling point of 169ºC at 760mmHg, a density of 1.211g/cm3 and a flash point of 56ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 152-20-5
- Jingsj CID
- J-10578-2
- Molecular Formula
- C3H9O3PS
- Molecular Weight
- 156.14100 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 169ºC at 760mmHg |
|---|---|
| Density | 1.211g/cm3 |
| Flash Point | 56ºC |
| Exact Mass | 156.00100 |
| PSA | 70.64000 |
| LogP | 1.75030 |
Customs & Trade Information
| HS Code | 2920190090 |
|---|---|
| Summary | 2920190090 other thiophosphoric esters (phosphorothioates) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of O,O,S-trimethyl phosphorothioate?
The CAS number of O,O,S-trimethyl phosphorothioate is 152-20-5.
What are the molecular formula and molecular weight of O,O,S-trimethyl phosphorothioate?
O,O,S-trimethyl phosphorothioate has molecular formula C3H9O3PS and molecular weight 156.14100 g/mol.
What are the upstream and downstream products of O,O,S-trimethyl phosphorothioate?
For O,O,S-trimethyl phosphorothioate, Upstream Products: iodomethane, Dimethyl sulfoxide, Methanol; Downstream Products: Dimethyl ether, Methanesulfonic acid, Dimethyl phosphate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "O,O,S-trimethyl phosphorothioate (CAS 152-20-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10578-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.