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Phosphorus tribromide Structure

Phosphorus tribromide

Chemical Properties

Melting point -41.5 °C (lit.)
Boiling point 175 °C (lit.)
Density  2.88 g/mL at 20 °C (lit.)
vapor density  9.3 (vs air)
vapor pressure  0.27 psi ( 54 °C)
refractive index  n20/D 1.697(lit.)
Flash point 172.9°C
storage temp.  Store below +30°C.
solubility  soluble in Ether,Acetone,Chloroform
form  Liquid
Specific Gravity 2.88
color  Clear to slightly hazy colorless to yellow or light brown
Odor Irritating odour
Viscosity 15.048mm2/s
Water Solubility  reacts
FreezingPoint  -40℃
Sensitive  Moisture Sensitive
Merck  14,7357
BRN  3903060
Dielectric constant 3.9(20℃)
Stability Stable, but reacts violently with water. Incompatible with moisture, strong bases, strong oxidizing agents, reactive metals, acids, alcohols.
InChIKey IPNPIHIZVLFAFP-UHFFFAOYSA-N
LogP 2.394 (est)
CAS DataBase Reference 7789-60-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 58R3866PUA
NIST Chemistry Reference Phosphorus tribromide(7789-60-8)
EPA Substance Registry System Phosphorus tribromide (7789-60-8)

Safety

Symbol(GHS)
Signal wordDanger
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  34-37-40-14-67
Safety Statements  26-45-36/37-36/37/39
RIDADR  UN 3264 8/PG 2
WGK Germany  2
RTECS  TH4460000
21
TSCA  Yes
HS Code  2812 90 00
HazardClass  8
PackingGroup  II
Hazardous Substances Data 7789-60-8(Hazardous Substances Data)
NFPA 704:
0
3 2
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