Tech Serve Solutions

Diethyl chlorophosphite

CAS 589-57-1(C2H5O)2PClCatalysis & Inorganic

Diethyl chlorophosphite (CAS 589-57-1), molecular formula (C2H5O)2PCl, is a high-purity chemical supplied by Tech Serve Solutions for catalysis & inorganic applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
Diethyl chlorophosphonite,Diethyl phosphorochloridite
Diethyl chlorophosphite
Chemical SynthesisPhosphine CompoundsPhosphorus Precursors
01 /Properties
Molecular weight156.55
Linear formula(C2H5O)2PCl
Assay98%
Boiling point153-155 °C(lit.)56-57.5 °C/30 mmHg(lit.)
Density1.089 g/mL at 20 °C(lit.)
Refractive indexn20/D 1.434(lit.)
Storage temperature2-8°C
ApplicationVersatile phosphorylating agent for ester and lactone enolates,1 amines,2 and alkenols.3
02 /Safety & handling
Flammable
Flammable
Corrosive
Corrosive
Harmful / irritant
Harmful / irritant
Danger

Hazard statements

  • H225Highly flammable liquid and vapour
  • H314Causes severe skin burns and eye damage
  • H335May cause respiratory irritation

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P261Avoid breathing dust, fume, gas or vapours
  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentFaceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point1 °C / 33.8 °F
Transport (UN / ADR)UN 2924 8(3) / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)F,C
Risk statements (R)11-14-34-37
Safety statements (S)7/8-16-26-36/37/39-45
Supplemental hazardsReacts violently with water.

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
589-57-1
MDL number
MFCD00009074
Beilstein registry
1098392
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

05 /Frequently asked questions

What is Diethyl chlorophosphite?

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Diethyl chlorophosphite (CAS 589-57-1), molecular formula (C2H5O)2PCl, is a high-purity chemical supplied by Tech Serve Solutions for catalysis & inorganic applications, to USP, BP and EP standards.

What grades of Diethyl chlorophosphite does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Diethyl chlorophosphite in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of Diethyl chlorophosphite?

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Diethyl chlorophosphite has CAS number 589-57-1 and molecular formula (C2H5O)2PCl. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Diethyl chlorophosphite?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of Diethyl chlorophosphite ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should Diethyl chlorophosphite be stored?

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Store Diethyl chlorophosphite in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is Diethyl chlorophosphite used for?

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Diethyl chlorophosphite is used in catalysis & inorganic applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for Diethyl chlorophosphite?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need Diethyl chlorophosphite in a specific grade or volume?

Request a quote