Product Name: ISOBUTANE
Synonyms: 2-METHYLPROPANE;ISOBUTANE;GEIGER FLOW GAS;2-METHYLPROPANE, 99.995%;2-METHYLPROPANE, FUEL CYLINDER FOR SETAF LASH (1EA=1.3OZ CYLINDER);2-METHYLPROPANE, PRESSURE TIN WITH 250 M L (NET ~140 G);Isobutane(incylinderwithoutvalve);Isobutaneincylinderwithoutvalve
CAS: 75-28-5
MF: C4H10
MW: 58.12
EINECS: 200-857-2
Product Categories: refrigerants;Organics;Refrigerant;Gas Cylinders;Hydrocarbons (Low Boiling point);Synthetic Organic Chemistry;Alphabetic;Analytical Standards;Analytical/Chromatography;Chemical Synthesis;M;META - METH;Specialty Gases;Synthetic Reagents
Mol File: 75-28-5.mol
ISOBUTANE Structure
ISOBUTANE 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
Fp -83 °C
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)
China
