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Triphenylphosphine hydrobromide

Catalog No. 93098 Name Sigma Aldrich
CAS Number 6399-81-1 Website http://www.sigmaaldrich.com
M. F. C18H16BrP Telephone 1-800-521-8956
M. W. 343.197401 Fax
Purity ≥96.0% (T) Email
Storage Chembase ID: 89801


IUPAC name
triphenylphosphane hydrobromide
IUPAC Traditional name
triphenylphosphine hydrobromide
Triphenylphosphonium bromide
Ph3P · HBr


MDL Number MFCD00035107
Beilstein Number 3633387
EC Number 229-012-6
CAS Number 6399-81-1
PubChem SID 24889793


Grade purum
Linear Formula (C6H5)3P · HBr
Purity ≥96.0% (T)
Melting Point 196 °C (dec.)(lit.)
GHS Pictograms GHS05
GHS Pictograms GHS07
GHS Signal Word Danger
GHS Hazard statements H302-H314
European Hazard Symbols Corrosive Corrosive (C)
MSDS Link Download
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P280-P305 + P351 + P338-P310
RID/ADR UN 3261 8/PG 3
Risk Statements 22-34
Safety Statements 26-36/37/39-45
Hazard Class 8
UN Number 3261
Packing Group 3
German water hazard class 3


Description (English)
Other Notes
Mild reagent for the direct preparation of allylic phosphonium salts from allylic alcohols1,2; Acidic catalyst for the cleavage of acetals, ethers and esters; formation of THP-ethers of tert-alcohols3,4; Convenient and quantitative source of gaseous hydrogen bromide5
Description (简体中文)
Other Notes
由烯丙醇直接制备烯丙基磷鎓盐的温和试剂1,2;缩醛、醚和酯裂解的酸性催化剂;形成叔醇的 THP-醚3,4;溴化氢气体的简便和定量来源5