MCPA-thioethyl
Also known as: Phenothiol, S-ethyl (4-chloro-2-methylphenoxy)ethanethioate, S-ethyl 2-(4-chloro-2-methylphenoxy)ethanethioate, S-ethyl 4-chloro-o-tolyloxythioacetate, Herbit, HOK 7501, Tripion CB, Ethanethioic acid, (4-chloro-2-methylphenoxy)-, S-ethyl ester, Zero one, Fenothiol
MCPA-thioethyl (CAS 25319-90-8) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C11H13ClO2S and a molecular weight of 244.74 g/mol. Key properties include a melting point of 41.5℃, a boiling point of 345.9ºC at 760 mmHg, a density of 1.209g/cm3 and a flash point of 163ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed 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.
- 25319-90-8
- Jingsj CID
- J-3365-7
- Molecular Formula
- C11H13ClO2S
- Molecular Weight
- 244.74 g/mol
- Category
- Esters
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 41.5℃ |
|---|---|
| Boiling Point | 345.9ºC at 760 mmHg |
| Density | 1.209g/cm3 |
| Flash Point | 163ºC |
| Exact Mass | 244.03200 |
| PSA | 51.60000 |
| LogP | 3.30690 |
| Vapor Pressure | 5.96E-05mmHg at 25°C |
| Refractive Index | 1.551 |
| Storage Conditions | 0-6℃ |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [1]. Akiko Tanabe, et al. Monitoring of herbicides in river water by gas chromatography-mass spectrometry and solid-phase extraction. Journal of Chromatography A. Volume 754, Issues 1–2, 22 November 1996, Pages 159-168. |
|---|
Frequently Asked Questions
What is the CAS number of MCPA-thioethyl?
The CAS number of MCPA-thioethyl is 25319-90-8.
What are the molecular formula and molecular weight of MCPA-thioethyl?
MCPA-thioethyl has molecular formula C11H13ClO2S and molecular weight 244.74 g/mol.
Is MCPA-thioethyl hazardous?
MCPA-thioethyl has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; 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. "MCPA-thioethyl (CAS 25319-90-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3365-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.