130079

Methyltriphenylphosphonium bromide

98%

• Synonym(s): TPMP, Triphenylmethylphosphonium bromide, triphenylmethylphosphonium bromide
• Linear Formula: CH₃P(C₆H₅)₃Br
• CAS Number: 1779-49-3
• Molecular Weight: 357.22
• Beilstein: 3599467
• EC Number: 217-218-9
• MDL number: MFCD00011804
• PubChem Substance ID: 24847941
• NACRES: NA.22

Properties

• Quality Level: 200
• assay: 98%
• form: powder
• reaction suitability: reaction type: C-C Bond Formation
• mp: 230-234 °C (lit.)
• SMILES string: [Br-].C[P+](c1ccccc1)(c2ccccc2)c3ccccc3
• InChI: 1S/C19H18P.BrH/c1-20(17-11-5-2-6-12-17,18-13-7-3-8-14-18)19-15-9-4-10-16-19;/h2-16H,1H3;1H/q+1;/p-1
• InChI key: LSEFCHWGJNHZNT-UHFFFAOYSA-M

Description

Packaging

25, 100, 500 g in poly bottle

10 kg

Application

Used widely for methylenation via the Wittig reaction

Wittig olefination salt employed recently in a synthesis of an enyne which, via ring closing metathesis, provided a benzazepine ring system.

Safety Information

• Pictograms: GHS06,GHS09
• Signal Word: Danger
• Hazard Statements: H301 - H411
• Precautionary Statements: P273 - P301 + P310 + P330
• Hazard Classifications: Acute Tox. 3 Oral - Aquatic Chronic 2
• Storage Class Code: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 3
• Flash Point(F): 464.0 °F
• Flash Point(C): > 240 °C
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves