Pyridinium tribromide
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Category：Pharmaceutical Materials | Brand：MT
Introduction
CAS Number: 39416-48-3
Molecular Formula: C5H6Br3N
Molecular Weight: 319.82 g/mol
Appearance: Red to brown needle-like crystals
Melting Point: 127-133°C
Boiling Point: 115.3°C at 760 mmHg
Usage: As an excellent brominating agent in organic synthesis.
| Attribute | Details |
|---|---|
| Name | Pyridinium tribromide |
| CAS Number | 39416-48-3 |
| Molecular Formula | C5H6Br3N-2 |
| Molecular Weight | 319.82 |
| Synonyms | Pyridinium bromide perbromide; Pyridin-1-ium tribromide; Monopyridin-1-ium tribromide |
| Appearance | Orange needle-like crystals |
| Melting Point | 133-136°C (or 127-133°C) |
| Density | 2.9569 (rough estimate) |
| Refractive Index | 1.6800 (estimate) |
| Solubility | Decomposes in water; Soluble in methanol; Insoluble in acetic acid |
| Stability | Stable. Incompatible with strong oxidizing agents and strong bases. |
| Sensitivity | Lachrymatory |
| Storage Conditions | 2-8°C |
| Production Method | Prepared by the reaction of pyridine with hydrogen bromide and bromine. |
| Application | Used as an intermediate in organic synthesis, specifically as a convenient brominating agent. It is also an intermediate in the synthesis of trienon. |
| Safety Hazards | May cause skin and eye irritation. Handle with appropriate safety measures. |
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