Methyl 4-(triphenylphosphonio)crotonate bromide

• Catalog No.: A10443
• CAS Number: 2181-98-8
• M. F.: C23H22BrO2P
• M. W.: 441.297341
• Purity: 98%

SYNONYMS

• Title: 4-(三苯磷基)巴豆酸甲酯溴化物
• IUPAC name: [(2E)-4-methoxy-4-oxobut-2-en-1-yl]triphenylphosphanium bromide
• IUPAC Traditional name: [(2E)-4-methoxy-4-oxobut-2-en-1-yl]triphenylphosphanium bromide
• Synonyms: (3-Methoxycarbonyl-2-propenyl)triphenylphosphonium bromide

DATABASE IDS

• MDL Number: MFCD00031575
• Beilstein Number: 4173385
• EC Number: 218-557-5
• CAS Number: 2181-98-8

PROPERTIES

• Purity: 98%
• Melting Point: ca 175°C dec.
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• GHS Precautionary statements: P261-P305+P351+P338-P302+P352-P321-P405-P501A
• Risk Statements: 36/37/38
• Safety Statements: 26-37
• Storage Warning: Hygroscopic
• TSCA Listed: 否

REFERENCES

• Intermediate for Wittig conversion of carbonyl compounds to dienoic esters.