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Propane Structure

Propane

Chemical Properties

Melting point -188 °C(lit.)
Boiling point -42.1 °C(lit.)
Density  0.564 g/mL at 20 °C(lit.)
vapor density  1.5 (vs air)
vapor pressure  190 psi ( 37.7 °C)
refractive index  1.2861
Flash point -104 °C
storage temp.  -20°C
pka ≈ 44 (Gordon and Ford, 1972)
form  liquid
explosive limit 9.5%
Odor Threshold 1500ppm
Water Solubility  62.61mg/L(25 ºC)
Merck  13,7891
BRN  1730718
Henry's Law Constant 0.706 at 25 °C (Hine and Mookerjee, 1975)
Exposure limits TLV-TWA 1000 ppm (OSHA).
Dielectric constant 1.6(Ambient)
Stability Stable. Incompatible with strong oxidizing agents. Highly flammable. May form explosive mixtures with air.
LogP 2.360
CAS DataBase Reference 74-98-6(CAS DataBase Reference)
EPA Substance Registry System Propane (74-98-6)

Safety Information

Hazard Codes  F+
Risk Statements  12
Safety Statements  9-16
RIDADR  UN 1978 2.1
WGK Germany  -
RTECS  TX2275000
4.5-31
Autoignition Temperature 842 °F
DOT Classification 2.1 (Flammable gas)
HazardClass  2.1
Hazardous Substances Data 74-98-6(Hazardous Substances Data)
IDLA 2,100 ppm [10% LEL]

MSDS

Usage And Synthesis

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