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Diethyl dithiophosphate, potassium salt

Also known as: Diethyl dithiophosphate potassium salt, Potassium diethyl dithiophosphate, O,O-Diethyl hydrogen dithiophosphate potassium salt, Phosphorodithioic acid, O,O-diethyl ester, potassium salt, Potassium O,O-diethyl dithiophosphate, Potassium O,O-diethyl phosphorodithioate

Diethyl dithiophosphate, potassium salt (CAS 3454-66-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H10KO2PS2 and a molecular weight of 224.32300 g/mol. Key properties include a melting point of 187ºC(lit.), a boiling point of 232.7ºC at 760mmHg, a density of 1.214g/cm3 and a flash point of 94.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3454-66-8
Jingsj CID
J-19995-1
Molecular Formula
C4H10KO2PS2
Molecular Weight
224.32300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point187ºC(lit.)
Boiling Point232.7ºC at 760mmHg
Density1.214g/cm3
Flash Point94.5ºC
Exact Mass223.95000
PSA60.36000
LogP2.48140

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diethyl dithiophosphate, potassium salt?

The CAS number of Diethyl dithiophosphate, potassium salt is 3454-66-8.

What are the molecular formula and molecular weight of Diethyl dithiophosphate, potassium salt?

Diethyl dithiophosphate, potassium salt has molecular formula C4H10KO2PS2 and molecular weight 224.32300 g/mol.

What are the upstream and downstream products of Diethyl dithiophosphate, potassium salt?

For Diethyl dithiophosphate, potassium salt, Upstream Products: Diethyl phosphorodithioate, Ethanol; Downstream Products: ethion, Athidathion, Carbophenothion.

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

Last updated:

How to cite: Jingsj. "Diethyl dithiophosphate, potassium salt (CAS 3454-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19995-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.