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Boron trifluoride Structure

Boron trifluoride

Chemical Properties

Melting point −127 °C(lit.)
Boiling point −100 °C(lit.)
Density  0.87 g/mL at 20 °C
vapor density  2.38 (21 °C, vs air)
vapor pressure  >1 mmHg at 20 °C
refractive index  n20/D 1.38
Flash point 4°C
storage temp.  2-8°C
solubility  soluble in H2O
form  Liquid
color  Colorless
Odor Pungent odor detectable at 1.5 ppm
Water Solubility  MAY DECOMPOSE
Sensitive  Moisture Sensitive
Merck  14,1349
Exposure limits ACGIH: TWA 0.1 ppm(2.5 mg/m3); Ceiling 0.7 ppm
OSHA: Ceiling 1 ppm(3 mg/m3)
NIOSH: IDLH 25 ppm(250 mg/m3); Ceiling 1 ppm(3 mg/m3)
LogP 1.070 (est)
CAS DataBase Reference 7637-07-2(CAS DataBase Reference)
EWG's Food Scores 2
FDA UNII 7JGD48PX8P
NIST Chemistry Reference Borane, trifluoro-(7637-07-2)
EPA Substance Registry System Boron trifluoride (7637-07-2)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H280-H314-H330
Precautionary statements P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P410+P403
Hazard Codes  T+,C,T,F
Risk Statements  14-26-35-39/23/24/25-24/25-11-67-41-10-37-22
Safety Statements  9-26-28-36/37/39-45-28A-16
RIDADR  UN 3286 3/PG 2
WGK Germany  3
RTECS  ED2275000
21
Hazard Note  Corrosive/Toxic
TSCA  Yes
DOT Classification 2.3, Hazard Zone B (Gas poisonous by inhalation)
HazardClass  2.3
Hazardous Substances Data 7637-07-2(Hazardous Substances Data)
Toxicity LC50 inhal (rat) 387 ppm (1070 mg/m3; 1 h)
PEL (OSHA) 1 ppm (3 mg/m3; ceiling)
TLV (ACGIH) 1 ppm (3 mg/m3; ceiling)
IDLA 25 ppm
NFPA 704:
0
4 1

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