Diethyl chlorophosphite

Synonym: (EtO)2PCl, Diethyl chlorophosphonite, Diethyl phosphorochloridite
CAS Number 589-57-1 | MDL Number MFCD00009074 | EC Number 209-652-2

Diethyl chlorophosphite Chemical Structure

Product CodeP9571
CAS Number589-57-1
Assay (purity)95%
Purity methodby GC
Molecular weight156.55
Appearancecolorless liquid
Sensitivityair, moisture
Melting point153-155C
Molecular formulaC4H10O2ClP
Linear formula(C2H5O)2PCl

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Diethyl chlorophosphite contact us at

Safety information

Signal wordDANGER
Hazard statementsH225, H314, H318, H335
Precautionary statementsP210, P233, P240, P241, P242, P243, P260, P261, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P363, P370+P378, P403+P233, P403+P235, P405, P501
Transport descriptionFLAMMABLE LIQUID, CORROSIVE, N.O.S. (Diethyl chlorophosphite)
Hazardous class3(8)
Packing groupII
In TSCA registryNo (sold for research and development usage only)
Flash point1C

Certificates of analysis (CoA)

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External identifiers for (EtO)2PCl

Pubchem CID68530
IUPAC Namechloro(diethoxy)phosphane
InchI IdentifierInChI=1S/C4H10ClO2P/c1-3-6-8(5)7-4-2/h3-4H2,1-2H3

Ereztech synthesizes and sells additional P-compounds.

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