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320404

Sigma-Aldrich

2-Methylbutane

ReagentPlus®, ≥99%

Synonym(s):

Isopentane

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About This Item

Linear Formula:
CH3CH2CH(CH3)2
CAS Number:
78-78-4
Molecular Weight:
72.15
Beilstein:
1730723
EC Number:
201-142-8
MDL number:
MFCD00009338
UNSPSC Code:
12191502
PubChem Substance ID:
329753976
NACRES:
NA.21

vapor density

2.6 (vs air)

vapor pressure

11.17 psi ( 20 °C)

product line

ReagentPlus®

Assay

≥99%

form

liquid

autoignition temp.

788 °F

expl. lim.

8.3 %

refractive index

n20/D 1.354 (lit.)

bp

30 °C (lit.)

mp

-160 °C

density

0.62 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CCC(C)C

InChI

1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3

InChI key

QWTDNUCVQCZILF-UHFFFAOYSA-N

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General description

2-Methylbutane is a branched-chain alkane that is used as a solvent in the production of chlorinated derivatives, a blowing agent for polystyrene, and a chemical building block in organic synthesis. It can be derived from petroleum raw materials natural gas and crude oil.

Application

2-Methylbutane can be used as a solvent in the Lewis-acid catalyzed oligomerization of lower olefins.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Statements

H224,H304,H336,H411

Hazard Classifications

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 1 - STOT SE 3

Target Organs

Central nervous system

Supplementary Hazards

EUH066

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-59.8 °F - closed cup

Flash Point(C)

-51 °C - closed cup

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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Selective oligomerization of isobutene on lewis acid catalyst: kinetic modeling
Sarkar A, et al.
Industrial & Engineering Chemistry Research, 53, 18982-18992 (2014)
A study of micronucleus induction with methyl formate and 2-Methylbutane in bone marrow cells of male ICR mice
Kim S, et al.
Safety and health at work, 1, 80-86 (2010)
Carles Tapias-Espinosa et al.
Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 44(11), 1975-1984 (2019-04-16)
Prepulse inhibition (PPI) of startle response is a measure of sensorimotor gating that is impaired in schizophrenia and in many other clinical conditions. Rat models using pharmacological or surgical strategies reveal that PPI is modulated by the cortico-striatal-pallido-thalamic (CSPT) circuit.
Susanne Steu et al.
Virchows Archiv : an international journal of pathology, 452(3), 305-312 (2008-02-07)
Different methods for snap freezing surgical human tissue specimens exist. At pathology institutes with higher work loads, solid carbon dioxide, freezing sprays, and cryostat freezing are commonly used as coolants for diagnosing frozen tissue sections, whereas for tissue banking, liquid
Benedikt Galliker et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 15(25), 6161-6168 (2009-05-14)
We have identified two intermediates in the autoxidation of NO*: ONOO*, which was detected by EPR spectroscopy at 295 K and atmospheric pressure in the gas phase, and ONOONO, a red substance produced at 113 K in 2-methylbutane. The red
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