Benzyltriphenylphosphonium bromide
Synonym(s):(Phenylmethyl)triphenylphosphonium bromide;Bromo(benzyl)triphenylphosphorane;NSC 54813
- CAS NO.：1449-46-3
- Empirical Formula: C25H22BrP
- Molecular Weight: 433.32
- MDL number: MFCD00031707
- EINECS: 215-908-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-24 18:13:45
What is Benzyltriphenylphosphonium bromide?
Chemical properties
WHITE CRYSTALLINE POWDER
The Uses of Benzyltriphenylphosphonium bromide
Benzyltriphenylphosphonium bromide is used as a reactant for stereoselective azidolysis of vinyl epoxides, enantioselective aziridination and Friedel-Crafts cyclization for asymmetric synthesis of dihydrexidine, biomimetic iron(III) mediated oxidative dimerization for synthesis of benzoquinone parvistemin A, enantioselective synthesis of syn-diarylheptanoids from D-glucose, preparation of β-amyloid plaque ligands and decarboxylative cyclopropanation. It react with 4-methyl-oxetan-2-one to produce 4-hydroxy-1-phenyl-1-(triphenyl-l5-phosphanylidene)-pentan-2-one.
Properties of Benzyltriphenylphosphonium bromide
| Melting point: | 295-298 °C(lit.) |
| storage temp. | Inert atmosphere,Room Temperature |
| form | solid |
| color | White to Almost white |
| Water Solubility | Soluble in water. |
| Sensitive | Hygroscopic |
| BRN | 3599867 |
| CAS DataBase Reference | 1449-46-3(CAS DataBase Reference) |
Safety information for Benzyltriphenylphosphonium bromide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Benzyltriphenylphosphonium bromide
Benzyltriphenylphosphonium bromide manufacturer
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product: 1449-46-3 Benzyltriphenylphosphonium bromide 99%
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product: Benzyltriphenylphosphonium bromide
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