Benzyltriphenylphosphonium bromide, polymer-bound
Benzyltriphenylphosphonium bromide, polymer-bound (CAS: 29518-68-1) is a unique supported Wittig reagent with a molecular weight of 667.66 g/mol. This 2% cross-linked polymer offers enhanced ease of handling and purification in chemical synthesis. It is primarily utilised for efficient and clean olefinations of carbonyl compounds, facilitating C-C bond formation in organic chemistry.
- Synonyms
- C43H40BrPBenzyltriphenylphosphonium bromide, 2% cross-linkedPolymer-bound Wittig reagent
Olefination Reactions
This polymer-bound phosphonium salt serves as a recyclable Wittig reagent for the synthesis of alkenes from aldehydes and ketones. The solid support simplifies product isolation and reagent recovery.
Solid-Supported Synthesis
Facilitates clean reactions in solid-phase synthesis, allowing for straightforward separation of the product from the spent resin. This is advantageous for multi-step syntheses and purification.
C-C Bond Formation
A key application lies in constructing carbon-carbon double bonds, a fundamental transformation in organic chemistry, particularly useful in the synthesis of complex molecules and natural products.
| Molecular weight | 667.66 |
|---|---|
| Empirical formula | C43H40BrP |
| Particle size | 200-400 mesh |
| Application | Polymer-supported Wittig reagent for clean olefinations of carbonyl compounds.1 |
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) | 26-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Crosslinking | 2 % cross-linked with divinylbenzene |
|---|---|
| Extent Of Labeling | ~2.0 mmol/g loading |
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 Benzyltriphenylphosphonium bromide, polymer-bound used for?
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Benzyltriphenylphosphonium bromide, polymer-bound is used as a polymer-supported Wittig reagent for the olefination of carbonyl compounds, enabling efficient C-C bond formation with simplified work-up procedures.
What are the CAS number and formula for Benzyltriphenylphosphonium bromide, polymer-bound?
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The CAS number is 29518-68-1. The empirical formula is C43H40BrP, and it has a molecular weight of 667.66 g/mol.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzyltriphenylphosphonium bromide, polymer-bound with an approximate loading of ~2.0 mmol/g, 2% cross-linked with divinylbenzene, and a particle size of 200-400 mesh. We do not represent this product as USP, BP, or EP grade.
How should Benzyltriphenylphosphonium bromide, polymer-bound be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust. Ensure adequate ventilation. This compound may cause skin, eye, and respiratory irritation (H315-H319-H335).
How is Benzyltriphenylphosphonium bromide, polymer-bound packed, shipped, and exported?
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This chemical is carefully packed according to international shipping regulations for export. Specific packaging details can be provided upon request.
How can I request a sample or quote for Benzyltriphenylphosphonium bromide, polymer-bound?
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To request a sample or quote, please contact the Tech Serve Solutions sales department via our website or direct email, specifying the required quantity and delivery location.
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