(Triphenylphosphoranylidene)acetaldehyde
(Triphenylphosphoranylidene)acetaldehyde (CAS 2136-75-6) is a versatile Wittig reagent with the linear formula HCOCH=P(C6H5)3 and a molecular weight of 304.32 g/mol. This compound serves as a key building block in organic synthesis, facilitating the conversion of carbonyl compounds into α,β-unsaturated aldehydes. It is primarily utilised in academic research and industrial chemical synthesis for C-C bond formation and olefination reactions, contributing to the creation of more complex organic molecules.
- IUPAC
- (Formylmethylene)triphenylphosphorane
- Synonyms
- (Formylmethylene)triphenylphosphoraneAcetaldehyde, (triphenylphosphoranylidene)-
Wittig Reagent in Organic Synthesis
This compound is a specialised Wittig reagent used for the olefination of aldehydes and ketones. It enables the efficient synthesis of α,β-unsaturated carbonyl compounds by introducing a two-carbon unit with a terminal aldehyde functionality.
C-C Bond Formation
As a valuable building block, (Triphenylphosphoranylidene)acetaldehyde facilitates the formation of carbon-carbon bonds. Its application is crucial in multi-step syntheses aiming for complex organic structures.
Synthesis of Unsaturated Aldehydes
This reagent is instrumental in producing α,β-unsaturated aldehydes, which are important intermediates in the synthesis of pharmaceuticals, agrochemicals, and fine chemicals.
| Molecular weight | 304.32 |
|---|---|
| Linear formula | HCOCH=P(C6H5)3 |
| Assay | ≥95% (NT/PNMR) |
| Loss on drying | ≤2% loss on drying, 110°C |
| Application | Wittig reagent for the conversion of aldehydes and ketones to two-carbon homologated, α,β-unsaturated carbonyl compounds.1,2 |
| Melting point | 184-187 °C185-188 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 (Triphenylphosphoranylidene)acetaldehyde used for?
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(Triphenylphosphoranylidene)acetaldehyde is a Wittig reagent used primarily for the synthesis of α,β-unsaturated aldehydes and for C-C bond formation in organic chemistry.
What is the CAS number and formula for (Triphenylphosphoranylidene)acetaldehyde?
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The CAS number is 2136-75-6 and the linear formula is HCOCH=P(C6H5)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (Triphenylphosphoranylidene)acetaldehyde with an assay of ≥95% (NT/PNMR). We do not represent this product as USP, BP, EP or other pharmacopoeia grades.
How should (Triphenylphosphoranylidene)acetaldehyde be handled safely?
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This compound may cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, in a well-ventilated area.
Is (Triphenylphosphoranylidene)acetaldehyde suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including (Triphenylphosphoranylidene)acetaldehyde.
How can I request a sample or quote for (Triphenylphosphoranylidene)acetaldehyde?
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Please contact our sales department or use the online inquiry form on our website to request a sample or a quotation for (Triphenylphosphoranylidene)acetaldehyde.
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