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    phosphorus tribromide
    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: 8.1 Packaging sign of Dangerous goods: -
    Packaging and transportation Packing group: 052
    Directions for storage and transportation: :  Ventilated, dry warehouse at low temperature; no mixed with alkalis, oxidant, organic matter, Flammable objects

     

    phosphorus tribromide quality index
    Item Index value
    Appearance    Colorless fume liquid
    Molecular formula   PBr3
    phosphorus tribromide Assay ≥  99%
    Density (d2020) g/cm3  2.88 g/mL at 20 °C(lit.) 
    PH value  6.0~8.0
    Moisture ≤ 0.05%

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