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MilliporeSigma

68312

2-Methylpentane

≥95.0% (GC)

Synonym(s):

‘Isohexane’

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About This Item

Linear Formula:
CH3CH2CH2CH(CH3)2
CAS Number:
107-83-5
Molecular Weight:
86.18
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
57652147
EC Number:
203-523-4
Beilstein/REAXYS Number:
1730735
MDL number:
MFCD00009406

Key Documents

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Product Name

2-Methylpentane, ≥95.0% (GC)

InChI key

AFABGHUZZDYHJO-UHFFFAOYSA-N

InChI

1S/C6H14/c1-4-5-6(2)3/h6H,4-5H2,1-3H3

SMILES string

CCCC(C)C

vapor density

3 (vs air)

vapor pressure

6.77 psi ( 37.7 °C)

assay

≥95.0% (GC)

form

liquid

autoignition temp.

583 °F

expl. lim.

7 %

impurities

≤0.5% 3-methylpentane
≤2% 2,3-dimethyl-propane

refractive index

n20/D 1.371 (lit.)
n20/D 1.371

bp

62 °C (lit.)

mp

−154 °C (lit.)

density

0.653 g/mL at 25 °C (lit.)

Quality Level

100

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1 of 4

This Item
M658078.20818227064
2-Methylpentane ≥95.0% (GC)

Sigma-Aldrich

68312

2-Methylpentane

2-Methylpentane ≥99%

Sigma-Aldrich

M65807

2-Methylpentane

2-Methylpentane for synthesis

Sigma-Aldrich

8.20818

2-Methylpentane

Hexane, mixture of isomers anhydrous, ≥99%

Sigma-Aldrich

227064

Hexane, mixture of isomers

assay

≥95.0% (GC)

assay

≥99%

assay

≥98.0% (GC)

assay

≥99%

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

form

liquid

form

liquid

form

liquid

form

liquid

bp

62 °C (lit.)

bp

62 °C (lit.)

bp

60 °C/1013 hPa

bp

68-70 °C (lit.)

mp

−154 °C (lit.)

mp

−154 °C (lit.)

mp

-154 °C

mp

−95 °C (lit.)

density

0.653 g/mL at 25 °C (lit.)

density

0.653 g/mL at 25 °C (lit.)

density

0.65 g/cm3 at 20 °C

density

0.672 g/mL at 25 °C (lit.)

Application

2-Methylpentane is mainly used as a model n-alkane in studies relating to alkane cracking, excess enthalpies and vapor-liquid equilibrium of binary alkane mixtures.[1][2][3]

signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

19.4 °F - closed cup

flash_point_c

-7 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN5940
BCCN2602
BCCK8007
BCCK2870
BCCK2504

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Isobaric Vapor? Liquid Equilibrium in the Systems 2-Methylpentane+ Methyl 1, 1-Dimethylethyl Ether,+ Ethyl 1, 1-Dimethylethyl Ether, and+ Methyl 1, 1-Dimethylpropyl Ether.
Aucejo A
Journal of Chemical and Engineering Data, 43(6), 973-977 (1998)
Alkane cracking, alkene polymerization, and Friedel?Crafts alkylation in liquids containing the acidic anions HX2?, XH (AlX4)?, XH (Al2X7)?, and Al2X7?(X= chlorine, bromine).
Xiao L
J. Mol. Catal. A: Chem., 214(1), 121-127 (2004)
Excess enthalpies for the binary systems n-octane with 2-methylpentane and 3-methylpentane.
Ameling W
Journal of Chemical and Engineering Data, 28(2), 184-186 (1983)
Andrea N Giordano et al.
The journal of physical chemistry. A, 119(15), 3545-3555 (2015-03-27)
We report the solvent-dependent dynamics of carbonyl site exchange for Fe(CO)3(η(4)-norbornadiene) (FeNBD) in a series of linear and nonlinear alkanes. The barrier to exchange is very low (∼1.5 kcal/mol), and the resulting carbonyl dynamics are rapid enough to lead to
2-Methylpentane (isohexane). CAS# 107-83-5.
J B Galvin et al.
Journal of toxicology and environmental health. Part A, 58(1-2), 81-92 (1999-10-28)
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