O,O-Dimethyl hydrogen phosphorothioate
Also known as: DMTP, DMPT, Methyl Phosphorothioate, Dimethyl Phosphorothioate, Dimethyl Phosphorothionate, Dimethyl Phosphothionate, O,O-Dimethyl S-Hydrogen Phosphorothioic Acid, O,O-Dimethyl Hydrogen Phosphorothioate, O,O-Dimethyl Phosphorothioate, O,O-Dimethyl Phosphorothioic Acid, O,O-Dimethyl Phosphorothionate, O,O-Dimethyl Thiophosphate, Thiophosphoric acid O,O-dimethyl ester, Phosphorothioic acid O,O-dimethyl ester, O,O-dimethyl S-hydrogen phosphorothioate, O,O-dimethyl thiophosphate, dimethyl hydrogen phosphorothioate, dimethylphosphorothioic acid, dimethylthiophosphoric acid, 0,0-Dimethyl Thiophosphate
O,O-Dimethyl hydrogen phosphorothioate (CAS 1112-38-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H7O3PS and a molecular weight of 142.11400 g/mol. Key properties include a boiling point of 172.4ºC at 760mmHg, a density of 1.3±0.1g/cm3 and a flash point of 34.3±22.6°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1112-38-5
- Jingsj CID
- J-6229-3
- Molecular Formula
- C2H7O3PS
- Molecular Weight
- 142.11400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 172.4ºC at 760mmHg |
|---|---|
| Density | 1.3±0.1g/cm3 |
| Flash Point | 34.3±22.6°C |
| Exact Mass | 141.98500 |
| PSA | 80.59000 |
| LogP | 1.14660 |
| Vapor Pressure | 0.421mmHg at 25°C |
| Refractive Index | 1.439 |
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-Dimethyl hydrogen phosphorothioate?
The CAS number of O,O-Dimethyl hydrogen phosphorothioate is 1112-38-5.
What are the molecular formula and molecular weight of O,O-Dimethyl hydrogen phosphorothioate?
O,O-Dimethyl hydrogen phosphorothioate has molecular formula C2H7O3PS and molecular weight 142.11400 g/mol.
What are the upstream and downstream products of O,O-Dimethyl hydrogen phosphorothioate?
For O,O-Dimethyl hydrogen phosphorothioate, Downstream Products: Chlorpyrifos-methyl, O,O,S-trimethyl phosphorothioate, Trimethyl thiophosphate.
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-Dimethyl hydrogen phosphorothioate (CAS 1112-38-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6229-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.