Chlorfenson
Also known as: Ovex, Difenson, Chlorofenson, Chlorfensone, Ephirsulfonate, Ethersulfonate, Niagaratran, Ovotran, p-Chlorophenyl p-chlorobenzenesulfonate, 4-Chlorophenyl 4-chlorobenzenesulfonate
Chlorfenson (CAS 80-33-1) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C12H8Cl2O3S and a molecular weight of 303.16100 g/mol. Key properties include a melting point of 86.5-86.8°, a boiling point of 429.6ºC at 760 mmHg, a density of 1.464g/cm3 and a flash point of 213.6ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 80-33-1
- Jingsj CID
- J-13743-8
- Molecular Formula
- C12H8Cl2O3S
- Molecular Weight
- 303.16100 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 86.5-86.8° |
|---|---|
| Boiling Point | 429.6ºC at 760 mmHg |
| Density | 1.464g/cm3 |
| Flash Point | 213.6ºC |
| Exact Mass | 301.95700 |
| PSA | 51.75000 |
| LogP | 4.84190 |
| Appearance | Crystalline |
| Refractive Index | 1.609 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [1]. H.G. Verschuuren, et al.Toxicity studies on tetrasul III. Short-term comparative studies in rats with tetrasul and structurally related acaricides, Toxicology,Volume 1, Issue 2,1973,Pages 113-123,ISSN 0300-483X |
|---|
Frequently Asked Questions
What is the CAS number of Chlorfenson?
The CAS number of Chlorfenson is 80-33-1.
What are the molecular formula and molecular weight of Chlorfenson?
Chlorfenson has molecular formula C12H8Cl2O3S and molecular weight 303.16100 g/mol.
Is Chlorfenson hazardous?
Chlorfenson has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H410 — Very toxic to aquatic life with long lasting effects.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chlorfenson (CAS 80-33-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13743-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.