Phosphorus tribromide
ALDRICH/157783 - 97%
Synonym: Phosphorus(III) bromide
CAS Number: 7789-60-8
Empirical Formula (Hill Notation): Br3P
Molecular Weight: 270.69
EC Number: 232-178-2
MDL Number: MFCD00011436
Linear Formula: PBr3
Product Type: Chemical
| assay | 97% |
| bp | 175 °C (lit.) |
| density | 2.88 g/mL at 20 °C (lit.) |
| form | liquid |
| InChI | 1S/Br3P/c1-4(2)3 |
| InChI key | IPNPIHIZVLFAFP-UHFFFAOYSA |
| mp | −41.5 °C (lit.) |
| Quality Level | 200  |
| refractive index | n |
| SMILES string | BrP(Br)Br |
| vapor pressure | 0.27 psi ( 54 °C) |
| Application: | Phosphorus tribromide may be used as a reagent: • In a novel protocol for synthesizing 7-ethoxy-1-(p-ethylphenoxy)-3,7-dimeth • To synthesize 1,2,3-diazaphosphinane, 1,2,3-thiazaphosphinine and 1,2-azaphosphole bearing a chromone ring. |
| General description: | Phosphorus tribromide (PBr3) is commonly used in Hell-Volhard-Zelinsky halogenation for the a-bromination of carboxylic acids to form the corresponding acyl bromide. It is also useful for the conversion of primary and secondary alcohols to alkyl bromides. |
| Packaging: | 100, 500 g in Sure/Seal™ |
| Symbol |   GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H314 - H335 |
| Precautionary statements | P261 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 14-34-37 |
| Safety Statements | 26-45 |
| RIDADR | UN 1808 8 / PGII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Supplemental Hazard Statements | EUH014 |
| Purity | 97% |
| bp | 175 °C (lit.) |
| mp | −41.5 °C (lit.) |
| Density | 2.88 g/mL at 20 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352101 |