Fenamiphos sulfoxide

苯线磷亚砜

Also known as: Fenamiphos sulphoxide, Bay 68138 sulfoxide, Phosphoramidic acid, N-(1-methylethyl)-, ethyl 3-methyl-4-(methylsulfinyl)phenyl ester, Ethyl 3-methyl-4-(methylsulfinyl)phenyl isopropylphosphoramidate, O-Ethyl O-[4-(methylsulfinyl)-m-tolyl]isopropylphosphoramidate, N-Isopropylphosphoramidic acid ethyl 4-(methylsulfinyl)-3-methylphenyl ester, MFCD00155397

Fenamiphos sulfoxide (CAS 31972-43-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H22NO4PS and a molecular weight of 319.357 g/mol. It is also known as Fenamiphos sulphoxide, Bay 68138 sulfoxide and Phosphoramidic acid, N-(1-methylethyl)-, ethyl 3-methyl-4-(methylsulfinyl)phenyl ester. Key properties include a boiling point of 436.5±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 217.8±31.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31972-43-7
Jingsj CID
J-36123-5
Molecular Formula
C13H22NO4PS
Chinese Name
苯线磷亚砜
Molecular Weight
319.357 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point436.5±55.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point217.8±31.5 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Fenamiphos sulfoxide?

The CAS number of Fenamiphos sulfoxide is 31972-43-7.

What are the molecular formula and molecular weight of Fenamiphos sulfoxide?

Fenamiphos sulfoxide has molecular formula C13H22NO4PS and molecular weight 319.357 g/mol.

Is Fenamiphos sulfoxide hazardous?

Fenamiphos sulfoxide has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Fenamiphos sulfoxide (CAS 31972-43-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36123-5 (accessed 2026-10-23).

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