Identification |
Product name: |
phosphorus tribromide |
Product name: |
phosphorus tribromide |
Molecular formula: |
PBr3 |
Molecular weight: |
270.72 |
Structural formula: |
|
CAS No: |
7789-60-8 |
RTECS No: |
TH4460000 |
HS code: |
2812909090 |
UN No: |
1808 |
Dangerous goods code: |
81056 |
IMDG Code Page: |
|
Physical and Chemical Properties |
Appearance and properties: |
Colorless fume liquid. Stimulating odour. |
Uses: |
Organic synthesis, used as bromating agent. Reductant; is applied to the analysis of the sugar and oxygen. |
Melting point: |
-40 °C |
Boiling point: |
175 °C(lit.) |
Relative density (water=1): |
2.88 g/mL at 20 °C(lit.) |
Moisture ≤: |
0.05% |
phosphorus tribromide Assay ≥ |
99% |
PH value: |
6.0~8.0 |
Saturated vapor pressure (kPa): |
0.27 psi ( 54 °C) |
Solubility: |
miscibility with C ketone, chloroform, carbon tetrachloride, carbon disulfide |
Critical temperature (℃): |
- |
Critical pressure (MPa): |
- |
Heat of combustion (kj/mol): |
- |
Combustion and explosion hazard |
Conditions to avoid: |
mist air. |
Flammability: |
- |
Building regulation fire insurance classification:: |
- |
Flash point (℃): |
172.9°C |
Self-Ignition temperature(℃): |
- |
Lower explosive limit (V%): |
- |
Upper explosive limit (V%): |
- |
Hazardous characteristics: |
reaction with water or acid, happen heat to explode |
Combustion (decomposition) products: |
Hydrogen bromide , phosphorus oxide, phosphorane |
Stability: |
- |
Incompatible materials: |
Strong alkali, water, alcohols, strong oxidizing agents, acids, alkalis, Potassium, sodium |
Polymerization hazards: |
- |
Fire fighting methods : |
Dry sand, Carbon dioxide. No water. |
Risk category: |
8. |
Packaging sign of Dangerous goods: |
- |
Packaging and transportation |
Packing group: |
II |
Directions for storage and transportation: : |
Ventilated, dry warehouse at low temperature; no mixed with alkalis, oxidant, organic matter, Flammable objects |