Endothion

因毒磷

Also known as: Endocid, Endocide, Niagara 5767, Phosphopyron, Phosphopyrone, Caswell No. 422, S-[(5-methoxy-4-oxo-4H-pyran-2-yl)methyl] O,O-dimethyl phosphorothioate, S-5-methoxy-4-oxo-4H-pyran-2-ylmethyl O,O-dimethyl phosphorothioate, 2-(Dimethoxyphosphorylmercapto-methyl)-5-methoxy-pyran-4-one, 2-(Dimethoxyphosphorylsulfanylmethyl)-5-methoxypyran-4-one, Phosphate 100

Endothion (CAS 2778-04-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H13O6PS and a molecular weight of 280.23500 g/mol. It is also known as Endocid, Endocide and Niagara 5767. Key properties include a melting point of 96ºC, a boiling point of 411.3ºC at 760mmHg, a density of 1.35g/cm3 and a flash point of 202.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2778-04-3
Jingsj CID
J-1960747-4
Molecular Formula
C9H13O6PS
Chinese Name
因毒磷
Molecular Weight
280.23500 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point96ºC
Boiling Point411.3ºC at 760mmHg
Density1.35g/cm3
Flash Point202.5ºC

Frequently Asked Questions

What is the CAS number of Endothion?

The CAS number of Endothion is 2778-04-3.

What are the molecular formula and molecular weight of Endothion?

Endothion has molecular formula C9H13O6PS and molecular weight 280.23500 g/mol.

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

Last updated:

How to cite: Jingsj. "Endothion (CAS 2778-04-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1960747-4 (accessed 2026-10-25).

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