Triphenylphosphine hydrobromide is used as mild source of anhydrous HBr; catalyst for formation of THP ethers from tertiary alcohols; preparation of phosphonium salts.
Mani Ramanathan, Duen-Ren Hou. Cleavage of benzyl ethers by triphenylphosphine hydrobromide. Tetrahedron Letters. 2010, 51, (47), 6143-6145.
C. C. Tung; A. J. Speziale. Reaction of Amides and Esters of α,β-Dibromopropionic Acids with Triphenylphosphine. J. Org. Chem. 1963, 28, (6), 1521-1523.
Hazard Statements: H314-H318
Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statements: P260u-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.