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Merck
CN

59080

2-Methylbutane

purum, ≥95.0% (GC)

Synonym(s):

Isopentane

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About This Item

Linear Formula:
CH3CH2CH(CH3)2
CAS Number:
78-78-4
Molecular Weight:
72.15
EC Number:
201-142-8
UNSPSC Code:
12352001
PubChem Substance ID:
329758569
Beilstein/REAXYS Number:
1730723
MDL number:
MFCD00009338

Key Documents

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InChI key

QWTDNUCVQCZILF-UHFFFAOYSA-N

InChI

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

SMILES string

CCC(C)C

vapor density

2.6 (vs air)

vapor pressure

11.17 psi ( 20 °C)

grade

purum

assay

≥95.0% (GC)

autoignition temp.

788 °F

expl. lim.

8.3 %

impurities

~2% pentane

refractive index

n20/D 1.354 (lit.), n20/D 1.354

bp

30 °C (lit.)

mp

-160 °C (lit.)

density

0.62 g/mL at 25 °C (lit.)

storage temp.

2-8°C

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Other Notes

Sales restrictions may apply

signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

-59.8 °F - closed cup

flash_point_c

-51 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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Tuija Leskinen et al.
PloS one, 5(9), doi:10-doi:10 (2010-09-24)
High physical activity/aerobic fitness predicts low morbidity and mortality. Our aim was to identify the most up-regulated gene sets related to long-term physical activity vs. inactivity in skeletal muscle and adipose tissues and to obtain further information about their link
Rotational Isomerism and Thermodynamic Functions of 2-Methylbutane and 2, 3-Dimethylbutane. Vapor Heat Capacity and Heat of Vaporization of 2-Methylbutane.
Scott DW, et al.
Journal of the American Chemical Society, 73(4), 1707-1712 (1951)
Eagleson M.
Concise Encyclopedia Chemistry, 560-560 (1994)
Formation of alkyl nitrates from the reaction of branched and cyclic alkyl peroxy radicals with NO.
Atkinson R, et al.
International Journal of Chemical Kinetics, 16(9), 1085-1101 (1984)
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
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