Diethyl (difluoromethyl)phosphonate

二氟甲基膦酸二乙酯

Also known as: Diethyl difluoromethanephosphonate, Diethyl (difluoromethane)phosphonate, Difluoromethylphosphonic acid diethyl ester, 1-[difluoromethyl(ethoxy)phosphoryl]oxyethane, Phosphonic acid, (difluoromethyl)-, diethyl ester, Phosphonic acid, P-(difluoromethyl)-, diethyl ester, P-Difluoromethylphosphonic acid diethyl ester, DIETHYL (DIFLUOROMETHANE)PHOSPHONATE, DIFLUOROMETHYLPHOSPHONIC ACID DIETHYL ESTER

CAS No.
1478-53-1
Jingsj CID
J-29340-8
Molecular Formula
C5H11F2O3P
Chinese Name
二氟甲基膦酸二乙酯
Molecular Weight
188.110 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point179.2±35.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point62.2±25.9 °C

Frequently Asked Questions

What is the CAS number of Diethyl (difluoromethyl)phosphonate?

1478-53-1

What are the molecular formula and molecular weight of Diethyl (difluoromethyl)phosphonate?

C5H11F2O3P, molecular weight 188.110 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026