| 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: |
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| 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 |