All Photos(1)
Synonym(s):
Isobutane
Linear Formula:
(CH3)3CH
CAS Number:
Molecular Weight:
58.12
Beilstein:
1730720
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
vapor density
2.01 (21 °C, vs air)
Quality Level
vapor pressure
72.2 psi ( 37.7 °C)
Assay
99%
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.)
SMILES string
CC(C)C
InChI
1S/C4H10/c1-4(2)3/h4H,1-3H3
InChI key
NNPPMTNAJDCUHE-UHFFFAOYSA-N
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Application
2-Methylpropane can be used as a starting material to prepare:
- Isobutylene by catalytic dehydrogenation using various catalysts.
- Isopropyl methyl ketone by formylation reaction with carbon monoxide in the presence of super acid catalyst.
- tert-Butylhydroperoxide (TBHP) by oxidation.
Packaging
Supplied in a Sure/Pac™ cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve.
Compatible with the following:
Compatible with the following:
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
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Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Flam. Gas 1A - Press. Gas Liquefied gas
WGK
nwg
Flash Point(F)
closed cup
Flash Point(C)
closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Find documentation for the products that you have recently purchased in the Document Library.
Effect of catalyst prereduction on the dehydrogenation of isobutane over chromia/alumina
Airaksinen S MK and Krause A OI
Industrial & Engineering Chemistry Research, 44(11), 3862-3868 (2005)
Superacid-Catalyzed Selective Formylation-Rearrangement of Isoalkanes with Carbon Monoxide to Branched Ketones
Olah GA, et al.
Angewandte Chemie (International ed. in English), 112(14), 2647-2648 (2000)
The production and use of butadiene and isobutylene
Petroleum Chemistry (Neftekhimiya), 112(14), 84-84 (2015)
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
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