VINYLTRIPHENYLPHOSPHONIUM BROMIDE

Uses

Product Name: VINYLTRIPHENYLPHOSPHONIUM BROMIDE
CAS No.: 5044-52-0
Chemical Name: VINYLTRIPHENYLPHOSPHONIUM BROMIDE
Synonyms: NSC 84065;Schweizers;SCHWEIZER'S REAGENT;ethenyl(triphenyl)phosphanium;Vinyltriphenylphosphonium bromi;TRIPHENYLVINYLPHOSPHONIUM BROMIDE;VINYLTRIPHENYLPHOSPHONIUM BROMIDE;Vinylteriphenylphosphonium bromide;Ethenyltriphenylphosphonium bromide;Vinyltriphenylphosphoniumbromide,97%
CBNumber: CB3169157
Molecular Formula: C20H18BrP
Formula Weight: 369.24
MOL File: 5044-52-0.mol

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VINYLTRIPHENYLPHOSPHONIUM BROMIDE Property

Melting point:: 176-178 °C (lit.)
storage temp.: 2-8°C
form: solid
Appearance: White to off-white 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)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 22-24/25
WGK Germany: 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 150193
Product name: Triphenylvinylphosphonium bromide
Purity: 97%
Packaging: 25g
Price: $322
Updated: 2025/07/31

TCI Chemical

Product number: T1644
Product name: Triphenyl(vinyl)phosphonium Bromide
Packaging: 25G
Price: $522
Updated: 2025/07/31

TCI Chemical

Product number: T1644
Product name: Triphenylvinylphosphonium Bromide
Purity: >96.0%(HPLC)(T)
Packaging: 5g
Price: $155
Updated: 2021/12/16

TRC

Product number: T809600
Product name: Triphenylvinylphosphonium Bromide
Packaging: 1g
Price: $165
Updated: 2021/12/16

TRC

Product number: T809600
Product name: Triphenylvinylphosphonium Bromide
Packaging: 5g
Price: $690
Updated: 2021/12/16

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VINYLTRIPHENYLPHOSPHONIUM BROMIDE Chemical Properties,Usage,Production

Uses

Triphenylvinylphosphonium Bromide has been used to enhance the thermal stability of epoxy resin. It is commonly used as a Wittig reagent.

Chemical Properties

WHITE TO BEIGE FINE CRYSTALLINE POWDER

Uses

Reactant involved in:

Asymmetric conjugate addition and intramolecular cyclization
Condensation with benzoxazinediones
Intramolecular dehydrobromination
Schweizer reaction
Cycloaddition with nitro ketone Baylis-Hillman adducts

', 'Reagent for the synthesis of heterocycles.

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.

VINYLTRIPHENYLPHOSPHONIUM BROMIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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VINYLTRIPHENYLPHOSPHONIUM BROMIDE Suppliers

Belgium 1 China 87 Germany 3 India 4 Japan 1 Switzerland 1 United Kingdom 3 United States 18 Global 118

Aladdin Scientific

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View Lastest Price from VINYLTRIPHENYLPHOSPHONIUM BROMIDE manufacturers

Shaanxi Dideu Medichem Co. Ltd

Product: Triphenylvinylphosphonium bromide 5044-52-0
Price: US $1.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 tons
Release date: 2020-01-16

Career Henan Chemical Co

Product: VINYLTRIPHENYLPHOSPHONIUM BROMIDE 5044-52-0
Price: US $5.50/KG
Min. Order: 1ASSAYS
Purity: 98%min
Supply Ability: 10g,100g,1kg
Release date: 2020-01-09

5044-52-0, VINYLTRIPHENYLPHOSPHONIUM BROMIDERelated Search:

TRIPHENYLVINYLSILANE Triphenyltridecylphosphonium Bromide Bromodimethylsulfonium bromide Aniline 1,2-VINYLENEBIS(TRIPHENYLPHOSPHONIUM BROMIDE) VINYLTRIPHENYLPHOSPHONIUM BROMIDE ((2-(ETHOXYCARBONYL)-1-PHENYL)ETHENYL)TRIPHENYLPHOSPHONIUM BROMIDE (1,3-BUTADIENYL)TRIPHENYLPHOSPHONIUM BROMIDE

VINYLTRIPHENYLPHOSPHONIUM BROMIDE

TRIPHENYLVINYLPHOSPHONIUM BROMIDE

SCHWEIZER'S REAGENT

Schweizers

Schweizer'sReagent~Triphenylvinylphosphoniumbromide

Vinyltriphenylphosphoniumbromide,97%

Vinylteriphenylphosphonium bromide

Phosphonium, ethenyltriphenyl-, bromide

VINYL TRIPHENYLPHOSPHONIUM BROMIDE (TRIPHENYL VINYLPHOSPHONIUM BROMIDE)

Schweizers Reagent, Vinyltriphenylphosphonium bromide

Ethenyltriphenylphosphonium bromide

NSC 84065

Vinyltriphenylphosphonium bromi

PhosphoniuM, ethenyltriphenyl-, broMide (1:1)

ethenyl(triphenyl)phosphanium

5044-52-0

CHPBrC6H53

CH2CHPBrC6H53

CH2CHPC5H53Br

C20H18PBr

C20H18BrP

Phosphonium Compounds

Wittig Reaction

Wittig & Horner-Emmons Reaction

C-C Bond Formation

Synthetic Reagents

Wittig Reagents

Olefination

Phosphonium Compounds

Synthetic Organic Chemistry

Wittig & Horner-Emmons Reaction

Wittig Reaction