Skip to main content

Chlorpyrifos-methyl oxon

Also known as: Chlorpyrifos-methyl oxon, Fospirate, Dimethyl (3,5,6-trichloropyridin-2-yl) phosphate, Dimethyl 3,5,6-trichloro-2-pyridinyl phosphate, Dimethyl 3,5,6-trichloro-2-pyridyl phosphate, Fospirate methyl, Dowco 217, ENT 27521, OMS 1168

Chlorpyrifos-methyl oxon (CAS 5598-52-7) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C7H7Cl3NO4P and a molecular weight of 306.46800 g/mol. Key properties include a melting point of 86.5-88°, a boiling point of 328.1ºC at 760mmHg, a density of 1.564g/cm3 and a flash point of 152.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5598-52-7
Jingsj CID
J-1323508-2
Molecular Formula
C7H7Cl3NO4P
Molecular Weight
306.46800 g/mol
Category
Esters
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point86.5-88°
Boiling Point328.1ºC at 760mmHg
Density1.564g/cm3
Flash Point152.3ºC
Exact Mass304.91800
PSA67.46000
LogP3.82150
Appearancesolid
Refractive Index1.532

Frequently Asked Questions

What is the CAS number of Chlorpyrifos-methyl oxon?

The CAS number of Chlorpyrifos-methyl oxon is 5598-52-7.

What are the molecular formula and molecular weight of Chlorpyrifos-methyl oxon?

Chlorpyrifos-methyl oxon has molecular formula C7H7Cl3NO4P and molecular weight 306.46800 g/mol.

What are the upstream and downstream products of Chlorpyrifos-methyl oxon?

For Chlorpyrifos-methyl oxon, Upstream Products: Chlorpyrifos-methyl; Downstream Products: 3,5,6-Trichloro-2-pyridinol, Dimethyl phosphate.

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

Last updated:

How to cite: Jingsj. "Chlorpyrifos-methyl oxon (CAS 5598-52-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323508-2 (accessed 2026-11-06).

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