295450
2-Methylpropane
99%
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%
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
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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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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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)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 295450-100G | 04061826648858 |
| 295450-PZ | 04061823972208 |
| 295450-350G | 04061826648865 |