Triphenylpropargylphosphonium bromide
Triphenylpropargylphosphonium bromide (CAS: 2091-46-5) is a phosphonium salt with the molecular formula HC≡CCH₂P(Br)(C₆H₅)₃ and a molecular weight of 381.25 g/mol. This compound serves as a valuable Wittig reagent in organic synthesis. It is primarily utilised for carbon-carbon bond formation, particularly in olefination reactions, enabling the construction of complex molecules.
- IUPAC
- Propargyltriphenylphosphonium bromide
- Synonyms
- Propargyltriphenylphosphonium bromide
Wittig Reagent for Olefination
Triphenylpropargylphosphonium bromide acts as a key component in Wittig reactions. It facilitates the conversion of aldehydes and ketones into alkenes, a fundamental transformation in organic chemistry for building carbon skeletons.
C-C Bond Formation
This phosphonium salt is instrumental in creating new carbon-carbon bonds. Its reactivity allows for precise molecular construction, essential in the synthesis of pharmaceuticals and advanced materials.
Chemical Synthesis
As a versatile synthetic reagent, it finds application in various multi-step syntheses. Its unique structure enables specific reaction pathways critical for complex organic molecule development.
| Molecular weight | 381.25 |
|---|---|
| Linear formula | HC≡CCH2P(Br)(C6H5)3 |
| Assay | 98% |
| Application | Wittig reagent |
| Melting point | 177-180 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-36/37 |
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 Triphenylpropargylphosphonium bromide used for?
+
Triphenylpropargylphosphonium bromide is primarily used as a Wittig reagent for olefination reactions, enabling the formation of carbon-carbon double bonds and thus playing a crucial role in various chemical synthesis pathways.
What are the CAS number and chemical formula for Triphenylpropargylphosphonium bromide?
+
The CAS number for Triphenylpropargylphosphonium bromide is 2091-46-5, and its linear chemical formula is HC≡CCH₂P(Br)(C₆H₅)₃.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Triphenylpropargylphosphonium bromide with an assay of 98%. This product is intended for research and chemical synthesis purposes; TSS does not represent it as USP, BP, or EP grade.
How should Triphenylpropargylphosphonium bromide be handled safely?
+
Triphenylpropargylphosphonium bromide is classified as harmful if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation, as well as respiratory irritation (H302, H312, H332, H315, H319, H335). Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves, in a well-ventilated area.
Is Triphenylpropargylphosphonium bromide a controlled substance?
+
The provided data does not indicate that Triphenylpropargylphosphonium bromide is a controlled or scheduled substance.
How is Triphenylpropargylphosphonium bromide shipped and exported?
+
Triphenylpropargylphosphonium bromide is shipped and exported according to relevant regulations, classified under UN 2811, Hazard Class 6.1, Packing Group III. Tech Serve Solutions adheres to all international shipping and export compliance standards.
How can I request a quote or sample for Triphenylpropargylphosphonium bromide?
+
To request a quote or a sample of Triphenylpropargylphosphonium bromide, please contact our sales department through the TSS website or by telephone, providing your specific requirements and shipping details.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis