Products
Pyridinium tribromide
Synonyms:Pyridinium perbromide;Hydrogen tribromide,compd. with pyridine (1:1);Pyridine Hydrobromide Perbromide;Pyridinium hydrobromide perbromide;
Chemical Property of Pyridinium tribromide
● Appearance/Colour:red crystals
● Melting Point:127-133 °C
● Refractive Index:1.6800 (estimate)
● Boiling Point:115.3 °C at 760 mmHg
● Flash Point:20 °C
● PSA：14.14000
● Density:2.9569 (rough estimate)
● LogP:-0.80410
● Storage Temp.:2-8°C
● Sensitive.:Lachrymatory
● Solubility.:soluble in Methanol
● Water Solubility.:decomposes
Purity/Quality
99% *data from raw suppliers
Pyridinium Tribromide *data from reagent suppliers
Safty Information
● Pictogram(s):
C, 
Xi
● Hazard Codes:C,Xi
● Statements:37/38-34-36
● Safety Statements:26-36/37/39-45-24/25-27
MSDS Files
Useful
● Uses: Pyridinium Tribromide is a reagent used in the α-thiocyanation of ketones and has also been applied to the synthesis of β-adrenergic blocking agents (also known as β-blockers) for patients with heart failure. In small-scale brominations, where it is much more convenient and agreeable to measure and use than elemental bromine. Pyridine hydrobromide perbromide is used as a brominating reagent in alfa-bromination and alfa-thiocyanation of ketones, phenols, unsaturated and aromatic ethers. It is used as a raw material in the preparation of beta-adrenergic blocking agents. Furthermore, it is used as an analytical reagent.
