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ISOBUTANE

Product NameISOBUTANE

CAS75-28-5

MFC4H10

MW58.12

EINECS200-857-2

MOL File75-28-5.mol

Chemical Properties

Melting point −160 °C(lit.)
Boiling point −12 °C(lit.)
Density  2.064 g/mL at 25 °C(lit.)
vapor density  2.01 (21 °C, vs air)
vapor pressure  72.2 psi ( 37.7 °C)
refractive index  1.3518
Flash point -83 °C
form  Colorless gas
color  Colorless, very flammable gas with a faint odor
explosive limit 8.3%
Water Solubility  48.9 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1963, 1966)
BRN  1730720
Henry's Law Constant 1.171 atm?m3/mol at 25 °C (Hine and Mookerjee, 1975)
Exposure limits NIOSH REL: TWA 800 ppm (1,900 mg/m3).
Stability Stable. Extremely flammable. May form explosive mixtures with air.
InChIKey NNPPMTNAJDCUHE-UHFFFAOYSA-N
CAS DataBase Reference 75-28-5(CAS DataBase Reference)
EPA Substance Registry System Isobutane (75-28-5)

Safety Information

Hazard Codes  F+
Risk Statements  12
Safety Statements  9-16
RIDADR  UN 1969 2.1
WGK Germany  -
RTECS  TZ4300000
4.5-31
Autoignition Temperature 860 °F
DOT Classification 2.1 (Flammable gas)
HazardClass  2.1
Hazardous Substances Data 75-28-5(Hazardous Substances Data)

MSDS

Usage And Synthesis

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