Chlorthion
Also known as: Phosphorothioic acid, O-(3-chloro-4-nitrophenyl) O,O-dimethyl ester, O,O-Dimethyl O-(3-chloro-4-nitrophenyl) thiophosphate, Methylchlorothion, Bayer 22/190, Compound 22/190, Chloorthion, Chlorothion, Chlortion, OMS 217, ENT 18,861, NSC 8927
Chlorthion (CAS 500-28-7) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H9ClNO5PS and a molecular weight of 297.652 g/mol. Key properties include a melting point of 21°, a boiling point of 366.6±52.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 175.5±30.7 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 500-28-7
- Jingsj CID
- J-42408-8
- Molecular Formula
- C8H9ClNO5PS
- Molecular Weight
- 297.652 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 21° |
|---|---|
| Boiling Point | 366.6±52.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 175.5±30.7 °C |
| Exact Mass | 296.962769 |
| PSA | 115.41000 |
| LogP | 3.55 |
| Appearance | liquid |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.586 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H410 — Very toxic to aquatic life with long lasting effects
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 Chlorthion?
The CAS number of Chlorthion is 500-28-7.
What are the molecular formula and molecular weight of Chlorthion?
Chlorthion has molecular formula C8H9ClNO5PS and molecular weight 297.652 g/mol.
Is Chlorthion hazardous?
Chlorthion has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.
What are the upstream and downstream products of Chlorthion?
For Chlorthion, Upstream Products: 3-Chloro-4-nitrophenol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chlorthion (CAS 500-28-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42408-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.