Triphenyl(vinyl)phosphonium bromide , 97% , 5044-52-0

Synonym(s):
Ethenyltriphenylphosphonium bromide;NSC 84065;Schweizer’s Reagent;Vinyltriphenylphosphonium bromide

CAS NO.：5044-52-0

Empirical Formula: C20H18BrP

Molecular Weight: 369.23

MDL number: MFCD00011807

EINECS: 225-740-3

PRODUCT Properties

• 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)

Description and 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.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P280a-P304+P340-P305+P351+P338-P405-P501a
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 22-24/25
• WGK Germany: 3