539821
2-Methylpropane
99.995%
Synonym(s):
Isobutane
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About This Item
Linear Formula:
(CH3)3CH
CAS Number:
Molecular Weight:
58.12
UNSPSC Code:
12142100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
200-857-2
Beilstein/REAXYS Number:
1730720
MDL number:
Assay:
99.995%
InChI key
NNPPMTNAJDCUHE-UHFFFAOYSA-N
InChI
1S/C4H10/c1-4(2)3/h4H,1-3H3
SMILES string
CC(C)C
vapor density
2.01 (21 °C, vs air)
vapor pressure
72.2 psi ( 37.7 °C)
assay
99.995%
autoignition temp.
860 °F
expl. lim.
8.3 %
bp
−12 °C (lit.)
mp
−160 °C (lit.)
density
2.064 g/mL at 25 °C (lit.)
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Packaging
Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed.
Compatible with the following:
Compatible with the following:
- Aldrich® lecture-bottle station systems
- Aldrich® lecture-bottle gas regulators
Other Notes
See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
signalword
Danger
hcodes
Hazard Classifications
Flam. Gas 1A - Press. Gas Liquefied gas
Storage Class
2A - Gases
wgk
nwg
flash_point_f
-117.4 °F - closed cup
flash_point_c
-83 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)
Regulatory Information
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Laure Pison et al.
Physical chemistry chemical physics : PCCP, 17(45), 30328-30342 (2015-10-29)
The solubility of n-butane and 2-methylpropane (isobutane) in three ionic liquids - 1-(2-methylpropyl)-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [(2mC3)C1im][Ntf2], 1-(3-methylbutyl)-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [(3mC4)C1im][Ntf2] and 1-methyl-3-pentylimidazolium bis(trifluoromethylsulfonyl)imide [C5C1im][Ntf2] - has been measured at atmospheric pressure from 303 to 343 K. Isobutane is less soluble than n-butane
Vera Lepperhof et al.
PloS one, 9(9), e107363-e107363 (2014-09-17)
Cell loss after transplantation is a major limitation for cell replacement approaches in regenerative medicine. To assess the survival kinetics of induced pluripotent stem cell (iPSC)-derived cardiomyocytes (CM) we generated transgenic murine iPSC lines which, in addition to CM-specific expression
Richard Wolfenden et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(24), 7484-7488 (2015-06-03)
The hydrophobicities of the 20 common amino acids are reflected in their tendencies to appear in interior positions in globular proteins and in deeply buried positions of membrane proteins. To determine whether these relationships might also have been valid in
Christian Geis et al.
Experimental neurology, 265, 8-21 (2014-12-30)
Neuromyelitis optica (NMO) is causally linked to autoantibodies (ABs) against aquaporin 4 (AQP4). Here, we focused on the pathogenic effects exclusively mediated by human ABs to AQP4 in vivo. We performed cell-free intrathecal (i.th.) passive transfer experiments in Lewis rats
Trieu-Vuong Dinh et al.
Environmental science and pollution research international, 22(12), 9345-9355 (2015-01-21)
The characteristics of volatile organic compounds (VOCs) emitted from several consumer and commercial products (body wash, dishwashing detergent, air freshener, windshield washer fluid, lubricant, hair spray, and insecticide) were studied and compared. The spray products were found to emit the
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