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295450

2-Methylpropane

Name: 2-Methylpropane
Brand: ALDRICH

99%

Synonym(s):

Isobutane

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About This Item

Linear Formula:

(CH₃)₃CH

CAS Number:

75-28-5

Molecular Weight:

58.12

UNSPSC Code:

12142100

NACRES:

NA.22

PubChem Substance ID:

24857785

EC Number:

200-857-2

Beilstein/REAXYS Number:

1730720

MDL number:

MFCD00008926

Assay:

99%

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Properties

vapor density

2.01 (21 °C, vs air)

Quality Segment

100

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

Description

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:

Aldrich^® Sure/Pac^™ station for liquefied gases Z566446
PTFE Sealing tape Z104388 or Z221880
Brass hose adapter Z146811
Aldrich^® mini gas regulator Z513539

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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pictograms

GHS02,GHS04

signalword

Danger

hcodes

H220,H280

pcodes

P210 - P377 - P381 - P410 + P403

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)

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