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Phosphorus tribromide

Identification Product name: Phosphorus tribromide
English name: phosphorus tribromide
Molecular formula:  PBr3 Molecular weight:  270.72
Structural formula:
CAS No.: 7789-60-8 RTECS No.:  TH4460000
HS code: 2903399090 UN No: UN 1808 8/PG 2
Dangerous goods code: C IMDG Code Page:  
Physical and Chemical Properties Appearance and properties:  Colorless fuming liquid. There is a pungent smell.
Uses:  Organic synthesis is used as brominating agent. reducing agent. Used to analyze 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 tribromideAssay ≥  99% PH value:  6.0~8.0
Saturated vapor pressure (kPa):  0.27 psi ( 54 °C) Solubility: Miscible with acetone, chloroform, carbon tetrachloride, carbon disulfide
Critical temperature (℃): - Critical pressure (MPa): -
Heat of combustion (kj/mol): -
Combustion and explosion hazard Conditions to avoid: Humid 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: Reacts with water or acid to generate heat or even explode
Combustion (decomposition) products: Hydrogen bromide, phosphorus oxide, phosphorane Stability: Stable
Incompatible materials: Strong alkalis, water, alcohols, strong oxidants, acids, alkalis, potassium, sodium Polymerization hazards: Not appearing
Fire fighting methods: Dry sand, carbon dioxide. Water is forbidden.
Risk category: 8.1 Packaging sign of Dangerous goods: corrosion
Packaging and transportation Packing group: III
Directions for storage and transportation:  The warehouse is ventilated, low-temperature and dry; stored separately from alkalis, oxidants, organic matter, and flammable materials

 

Phosphorus tribromide quality index

Item Index value
Appearance Colorless fuming liquid
Molecular formula   PBr3
Phosphorus tribromideAssay ≥  99%
Density (d2020)g/cm3  2.88 g/mL at 20 °C(lit.) 
PH value  6.0~8.0
Moisture ≤ 0.05%

Main Products: 1-Chloropropane  |  2-chloropropane  |  1-chlorobutane  |  2-Chlorobutane  |  Bromoethane  |  1-Bromopropane  |  2-1-Bromopropane  |  

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