O,O-Diethyl thiophosphate potassium salt

O,O-二乙基硫代磷酸钾盐

Also known as: O,O-Diethyl thiophosphate, potassium salt, Potassium O,O-diethyl phosphorothioate, O,O-Diethyl hydrogen thiophosphate potassium salt, diethylthiophosphate, diethylthio, Potassium diethyl thiophosphate, Chlorpyrifos impurity 2 (diethyl thiophosphate), O,O-Diethyl thiophosphate, diethoxy-hydroxy-sulfanylidene-phosphorane

O,O-Diethyl thiophosphate potassium salt (CAS 5871-17-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H10KO3PS and a molecular weight of 208.25700 g/mol. It is also known as O,O-Diethyl thiophosphate, potassium salt, Potassium O,O-diethyl phosphorothioate and O,O-Diethyl hydrogen thiophosphate potassium salt. Key properties include a melting point of 180-186ºC(lit.), a boiling point of 580.4ºC at 760 mmHg, a density of 1.532g/cm3 and a flash point of 304.8ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5871-17-0
Jingsj CID
J-19994-2
Molecular Formula
C4H10KO3PS
Chinese Name
O,O-二乙基硫代磷酸钾盐
Molecular Weight
208.25700 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point180-186ºC(lit.)
Boiling Point580.4ºC at 760 mmHg
Density1.532g/cm3
Flash Point304.8ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of O,O-Diethyl thiophosphate potassium salt?

The CAS number of O,O-Diethyl thiophosphate potassium salt is 5871-17-0.

What are the molecular formula and molecular weight of O,O-Diethyl thiophosphate potassium salt?

O,O-Diethyl thiophosphate potassium salt has molecular formula C4H10KO3PS and molecular weight 208.25700 g/mol.

Is O,O-Diethyl thiophosphate potassium salt hazardous?

O,O-Diethyl thiophosphate potassium salt has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "O,O-Diethyl thiophosphate potassium salt (CAS 5871-17-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19994-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.