Triphenylphosphonium cyclopentadienide
Triphenylphosphonium cyclopentadienide (CAS: 29473-30-1, C23H19P, MW: 326.37) is a Wittig reagent used in organic synthesis. It serves as a valuable tool for C-C bond formation through olefination reactions. This compound is a key intermediate for creating complex organic molecules in chemical synthesis laboratories. Tech Serve Solutions supplies this reagent for research and development purposes.
- IUPAC
- (Cyclopentadienylidene)triphenylphosphorane

Olefination Reactions
Triphenylphosphonium cyclopentadienide is employed as a Wittig reagent to convert carbonyl compounds into alkenes. This reaction is fundamental for carbon-carbon double bond formation in organic synthesis.
Chemical Synthesis
It acts as a versatile building block in the synthesis of various organic compounds. Its reactivity allows for the introduction of the cyclopentadienyl moiety into complex molecular structures.
C-C Bond Formation
This reagent facilitates the formation of new carbon-carbon bonds, a critical step in constructing larger organic frameworks. It is widely used in academic and industrial research.
| Molecular weight | 326.37 |
|---|---|
| Empirical formula | C23H19P |
| Melting point | >225 °C (dec.)(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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 Triphenylphosphonium cyclopentadienide used for?
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Triphenylphosphonium cyclopentadienide is primarily used as a Wittig reagent for olefination reactions, facilitating C-C bond formation in organic synthesis and the preparation of various organic compounds.
What are the CAS number and formula for Triphenylphosphonium cyclopentadienide?
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The CAS number is 29473-30-1 and the empirical formula is C23H19P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triphenylphosphonium cyclopentadienide as a research-grade chemical. We do not represent it as USP, BP, or EP grade.
What are the safety and handling precautions for this chemical?
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This compound is classified under WGK 3. When handling, it is essential to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is a concern.
How is Triphenylphosphonium cyclopentadienide packed and shipped?
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Tech Serve Solutions adheres to strict safety protocols for packing and shipping chemicals, ensuring compliance with international regulations for safe transport.
How can I request a sample or a quote for Triphenylphosphonium cyclopentadienide?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing your details and the product CAS number (29473-30-1).
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