Merck
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277258

Sigma-Aldrich

2-Methylbutane

anhydrous, ≥99%

Synonym(s):
Isopentane
Linear Formula:
CH3CH2CH(CH3)2
CAS Number:
Molecular Weight:
72.15
Beilstein:
1730723
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

anhydrous

Quality Level

vapor density

2.6 (vs air)

vapor pressure

11.17 psi ( 20 °C)

assay

≥99%

form

liquid

autoignition temp.

788 °F

expl. lim.

8.3 %

impurities

<0.001% water
<0.005% water (100 mL pkg)

evapn. residue

<0.0003%

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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Application

2-Methylbutane undergoes catalytic dehydrogenation in the presence of chromia-alumina catalyst to form isoamylenes, which can undergo further dehydrogenation to form isoprene. It may also be used as a solvent in the preparation of trans-Bis(triethylphosphine) (hydroxy carbonyl) (phenyl) platinum(II), a metallacarboxylic acid.

Packaging

100 mL in Sure/Seal™
1 L in Sure/Seal™

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-59.8 °F - closed cup

Flash Point(C)

-51 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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