Tetra-n-butylphosphonium bromide

• Catalog No.: A10868
• CAS Number: 3115-68-2
• M. F.: C16H36BrP
• M. W.: 339.334801
• Purity: 99%

SYNONYMS

• Title: 四正丁基溴化磷鎓
• IUPAC name: tetrabutylphosphanium bromide
• IUPAC Traditional name: tetrabutylphosphonium bromide

DATABASE IDS

• Beilstein Number: 4160474
• EC Number: 221-487-8
• CAS Number: 3115-68-2
• MDL Number: MFCD00011853

PROPERTIES

• Purity: 99%
• Melting Point: 99-103°C
• GHS Hazard statements: H301-H310-H331-H315-H335-H318
• European Hazard Symbols: Toxic (T)
• GHS Precautionary statements: P261-P301+P310-P305+P351+P338-P361-P405-P501A
• Risk Statements: 20/22-24-37/38-41
• RTECS: TA2417000
• Safety Statements: 26-27-36/37/39-45
• Storage Warning: Hygroscopic
• TSCA Listed: 是
• Hazard Class: 6.1
• UN Number: UN3464
• Packing Group: II

REFERENCES

• Quaternary phosphonium salt, useful as a phase-transfer catalyst at high temperatures, at which nitrogen analogues tend to undergo elimination (see Appendix 2), e.g. as catalyst for the dealkoxycarbonylation of malonates and ?-keto esters by heating in stearic acid: Synthesis, 320 (1985).
• Has been used as an ionic liquid solvent in the regioselective O-alkylation of C/O ambident nucleophiles: Tetrahedron Lett., 33, 4435 (1992); see Tetra-n-butylammonium bromide, A10249.