Diethyl (phthalimidomethyl)phosphonate
Diethyl (phthalimidomethyl)phosphonate (CAS: 33512-26-4; Formula: C13H16NO5P; Molar Mass: 297.24 g/mol) is a Wittig carbonylating reagent crucial for C-C bond formation in chemical synthesis. This compound is frequently employed in olefination reactions as part of the Horner-Wadsworth-Emmons reagent class. Supplied by Tech Serve Solutions with an assay of 97%, it serves as a valuable synthetic reagent for various chemical processes.

Wittig Carbonylating Reagent
This compound functions as a Wittig carbonylating reagent. It is instrumental in facilitating Wittig-type reactions for the synthesis of various organic molecules.
Horner-Wadsworth-Emmons Reactions
As a member of the Horner-Wadsworth-Emmons reagent family, it is utilized in olefination reactions. This application is key for the formation of carbon-carbon double bonds.
General Chemical Synthesis
Diethyl (phthalimidomethyl)phosphonate is a versatile synthetic reagent. It finds application in broader chemical synthesis strategies, contributing to the construction of complex organic structures.
| Molecular weight | 297.24 |
|---|---|
| Empirical formula | C13H16NO5P |
| Assay | 97% |
| Application | Wittig carbonylating reagent.4 |
| Melting point | 60-64 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 45 |
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 (phthalimidomethyl)phosphonate used for?
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Diethyl (phthalimidomethyl)phosphonate is primarily used as a Wittig carbonylating reagent and in Horner-Wadsworth-Emmons reactions for olefination, contributing to C-C bond formation in chemical synthesis.
What is the CAS number and formula for Diethyl (phthalimidomethyl)phosphonate?
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The CAS number for Diethyl (phthalimidomethyl)phosphonate is 33512-26-4, and its molecular formula is C13H16NO5P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diethyl (phthalimidomethyl)phosphonate with an assay of 97%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
What are the safety considerations when handling Diethyl (phthalimidomethyl)phosphonate?
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Diethyl (phthalimidomethyl)phosphonate is classified as toxic if swallowed (H301) and requires careful handling. It is labelled with a 'Danger' signal word. Follow precautionary statements P301 + P310, which indicate immediate medical attention is required if swallowed. Ensure appropriate personal protective equipment is used.
How is Diethyl (phthalimidomethyl)phosphonate packed and shipped?
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Diethyl (phthalimidomethyl)phosphonate is shipped as UN 2811, Class 6.1, Packing Group III. Tech Serve Solutions can export this chemical globally, adhering to all relevant shipping and customs regulations.
How can I request a sample or quote for Diethyl (phthalimidomethyl)phosphonate?
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To request a sample or obtain a quote for Diethyl (phthalimidomethyl)phosphonate, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.
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