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Phosmet-oxon

氧亚胺硫磷

Also known as: PHOSMET-OXON, Imidoxon, oxoimidan, R-1571, ENT-207, ENT 25707, Stauffer R-1571, Phosmet oxygen analog, 2-(dimethoxyphosphorylsulfanylmethyl)isoindole-1,3-dione, S-((1,3-dioxoisoindolin-2-yl)methyl) O,O-dimethyl phosphorothioate, thiophosphorsaeure-O,O'-dimethylester-S-phthalimidomethylester

Phosmet-oxon (CAS 3735-33-9) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C11H12NO5PS and a molecular weight of 301.26 g/mol. It is also known as PHOSMET-OXON, Imidoxon and oxoimidan. Key properties include a boiling point of 405.6ºC at 760 mmHg, a density of 1.451g/cm3 and a flash point of 199.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3735-33-9
Jingsj CID
J-38637-7
Molecular Formula
C11H12NO5PS
Chinese Name
氧亚胺硫磷
Molecular Weight
301.26 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point405.6ºC at 760 mmHg
Density1.451g/cm3
Flash Point199.1ºC
Exact Mass301.01700
PSA108.02000
LogP2.31210
Refractive Index1.589

Activity & Biological Data

Additional Information[1]. Lucini L, et al. Performance and matrix effect observed in QuEChERS extraction and tandem mass spectrometry analyses of pesticide residues in different target crops. J Chromatogr Sci. 2011 Oct;49(9):709-14.

Customs & Trade Information

HS Code2925190090
Summary2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Phosmet-oxon?

The CAS number of Phosmet-oxon is 3735-33-9.

What are the molecular formula and molecular weight of Phosmet-oxon?

Phosmet-oxon has molecular formula C11H12NO5PS and molecular weight 301.26 g/mol.

What are the upstream and downstream products of Phosmet-oxon?

For Phosmet-oxon, Upstream Products: Phosmet, N-(Bromomethyl)phthalimide.

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

Last updated:

How to cite: Jingsj. "Phosmet-oxon (CAS 3735-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38637-7 (accessed 2026-10-29).

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