Ethiprole
Also known as: 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-(ethylsulfinyl)-1H-pyrazole-3-carbonitrile, 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-(ethanesulfinyl)-1H-pyrazole-3-carbonitrile, 5-amino-1-(2,6-dichloro-α,α,α-trifluoro-p-tolyl)-4-ethylsulfinylpyrazole-3-carbonitrile, UNII-5527E53JNB
Ethiprole (CAS 181587-01-9) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C13H9Cl2F3N4OS and a molecular weight of 397.20300 g/mol. Key properties include a melting point of ~174°, a boiling point of 563.5ºC at 760mmHg, a density of 1.69g/cm3 and a flash point of 294.6ºC. It is classified under GHS with signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure 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.
- 181587-01-9
- Jingsj CID
- J-1979806-0
- Molecular Formula
- C13H9Cl2F3N4OS
- Molecular Weight
- 397.20300 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | ~174° |
|---|---|
| Boiling Point | 563.5ºC at 760mmHg |
| Density | 1.69g/cm3 |
| Flash Point | 294.6ºC |
| Exact Mass | 395.98300 |
| PSA | 103.91000 |
| LogP | 5.22618 |
| Vapor Pressure | 0mmHg at 25°C |
| Refractive Index | 1.655 |
| Storage Conditions | 0-6°C |
GHS Safety & Compliance
- H373 — May cause damage to organs through prolonged exposure
- H410 — Very toxic to aquatic life with long lasting effects
Activity & Biological Data
| Additional Information | [1]. Caboni P, Sammelson RE, Casida JE. Phenylpyrazole insecticide photochemistry, metabolism, and GABAergic action: ethiprole compared with fipronil. J Agric Food Chem. 2003 Nov 19;51(24):7055-61. |
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Frequently Asked Questions
What is the CAS number of Ethiprole?
The CAS number of Ethiprole is 181587-01-9.
What are the molecular formula and molecular weight of Ethiprole?
Ethiprole has molecular formula C13H9Cl2F3N4OS and molecular weight 397.20300 g/mol.
Is Ethiprole hazardous?
Ethiprole has GHS signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure; 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. "Ethiprole (CAS 181587-01-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1979806-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.