| Identification | More | [Name]
VINYLTRIPHENYLPHOSPHONIUM BROMIDE | [CAS]
5044-52-0 | [Synonyms]
SCHWEIZER'S REAGENT
TRIPHENYLVINYLPHOSPHONIUM BROMIDE
VINYLTRIPHENYLPHOSPHONIUM BROMIDE
Schweizers
Schweizer'sReagent~Triphenylvinylphosphoniumbromide
Vinyltriphenylphosphoniumbromide,97%
Vinylteriphenylphosphonium bromide
Phosphonium, ethenyltriphenyl-, bromide
VINYL TRIPHENYLPHOSPHONIUM BROMIDE (TRIPHENYL VINYLPHOSPHONIUM BROMIDE)
Schweizers Reagent, Vinyltriphenylphosphonium bromide | [EINECS(EC#)]
225-740-3 | [Molecular Formula]
C20H18BrP | [MDL Number]
MFCD00011807 | [Molecular Weight]
369.23 | [MOL File]
5044-52-0.mol |
| Chemical Properties | Back Directory | [Appearance]
WHITE TO BEIGE FINE CRYSTALLINE POWDER | [Melting point ]
176-178 °C (lit.) | [storage temp. ]
2-8°C
| [form ]
solid | [Sensitive ]
Light Sensitive & Hygroscopic | [BRN ]
4168860 | [InChI]
InChI=1S/C20H18P.BrH/c1-2-21(18-12-6-3-7-13-18,19-14-8-4-9-15-19)20-16-10-5-11-17-20;/h2-17H,1H2;1H/q+1;/p-1 | [InChIKey]
VRAYVWUMBAJVGH-UHFFFAOYSA-M | [SMILES]
[P+](C1C=CC=CC=1)(C1C=CC=CC=1)(C1C=CC=CC=1)C=C.[Br-] | [CAS DataBase Reference]
5044-52-0(CAS DataBase Reference) |
| Questions And Answer | Back Directory | [Uses]
Triphenylvinylphosphonium Bromide has been used to enhance the thermal stability of epoxy resin. It is commonly used as a Wittig reagent. |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes . | [WGK Germany ]
3
| [Storage Class]
11 - Combustible Solids |
| Hazard Information | Back Directory | [Chemical Properties]
WHITE TO BEIGE FINE CRYSTALLINE POWDER | [Preparation]
The preparation of TriphenylvinylphosphoniuM BroMide has been accomplished by treatment of ethylenebis(triphenylphosphonium) dibromide with borate ion (32%), (2-chloroethyl)triphenylphosphonium bromide with Triethylamine (72%), (2-bromoethyl)triphenylphosphonium bromide with Silver(I) Oxide (85%), and (2- phenoxyethyl)triphenylphosphonium bromide with boiling ethyl acetate (92%). | [reaction suitability]
reaction type: C-C Bond Formation | [storage]
hygroscopic; irritant; produces sneezing in many individuals. Use in a fume hood. |
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