Diethyl cyclopropylmethyl phosphonate
Diethyl cyclopropylmethyl phosphonate (CAS 863975-37-5), with the linear formula C3H5CH2P(O)(OCH2CH3)2 and a molecular weight of 192.19 g/mol, is a synthetic reagent utilised in chemical synthesis. Its structure features intramolecular hydrogen bonding. This compound serves as a reactant for preparing alkyldichlorophosphine via chlorination under mild conditions, demonstrating its utility in C-C bond formation and olefination reactions.

Preparation of Alkyldichlorophosphine
This phosphonate acts as a reactant in the synthesis of alkyldichlorophosphine. The reaction proceeds via chlorination under mild conditions, making it a useful step in organic synthesis.
Horner-Wadsworth-Emmons Reagents
As a component of Horner-Wadsworth-Emmons reagents, it facilitates olefination reactions. These reactions are crucial for forming carbon-carbon double bonds in synthetic pathways.
C-C Bond Formation
The compound contributes to C-C bond formation, a fundamental process in constructing complex organic molecules. Its specific reactivity profile aids in targeted synthetic strategies.
| Molecular weight | 192.19 |
|---|---|
| Linear formula | C3H5CH2P(O)(OCH2CH3)2 |
| Assay | 97% |
| Boiling point | 60 °C/0.125 mmHg(lit.) |
| Density | 1.023 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4380(lit.) |
| Application | Reactant for:• Preparation of alkyldichlorophosphine via chlorination reaction under mild conditions1Structural characteristics:• Intramolecular hydrogen binding via \"banana\" bonds between a H atom belonging to the phosphino group and the edge of the cyclopropyl ring2 |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Flash point | 101 °C / 213.8 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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.
What is Diethyl cyclopropylmethyl phosphonate used for?
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Diethyl cyclopropylmethyl phosphonate (CAS 863975-37-5) is used as a reactant for the preparation of alkyldichlorophosphine via chlorination under mild conditions. It is also employed in C-C bond formation and olefination reactions as part of Horner-Wadsworth-Emmons reagents.
What are the CAS number and formula for Diethyl cyclopropylmethyl phosphonate?
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The CAS number is 863975-37-5 and the linear formula is C3H5CH2P(O)(OCH2CH3)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diethyl cyclopropylmethyl phosphonate with an assay of 97%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated otherwise in the product documentation.
What are the safety and handling precautions for Diethyl cyclopropylmethyl phosphonate?
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This compound has a flash point of 101 °C (213.8 °F). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, should be used. Refer to the Safety Data Sheet for comprehensive handling information.
Does Tech Serve Solutions export Diethyl cyclopropylmethyl phosphonate?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Diethyl cyclopropylmethyl phosphonate.
How can I request a sample or quote for Diethyl cyclopropylmethyl phosphonate?
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To request a sample or a quote for Diethyl cyclopropylmethyl phosphonate, please contact our sales team through the TSS website or by calling our office directly.
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