277258

Sigma-Aldrich

2-Methylbutane

anhydrous, ≥99%

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

Quality Level

grade

anhydrous

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

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

Signal Word

Danger

Hazard Statements

Target Organs

Central nervous system

Supp Hazards

EUH066

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN1265 - class 3 - PG 1 - Pentanes

WGK Germany

WGK 2

Flash Point(F)

-59.8 °F - closed cup

Flash Point(C)

-51 °C - closed cup

Certificate of Analysis

Certificate of Origin

Power efficient synthesis of isoprene via two-stage dehydrogenation of isopentane
Karimov OK &amp; Daminev RR
World Applied Sciences Journal , 24(3), 320-325 (2013)
Johnson AW.
Invitation to Organic Chemistry., 338-338 (1999)
Yiming Huang et al.
Transplantation, 89(6), 677-685 (2010-01-30)
The role of bone marrow (BM)-derived cells in pancreatic beta-cell regeneration remains unresolved. We examined whether BM-derived cells are recruited to the site of moderate pancreatic injury and contribute to beta-cell regeneration. Low-dose streptozotocin (STZ) treatment was used to induce...
Synthesis, x-ray structural analysis, and thermal decomposition of the platinum (II) carboxylic acid (hydroxycarbonyl) trans-Pt (CO2H)(C6H5)(PEt3) 2. Formation of a diplatinum (II) complex containing carbon dioxide
Bennett MA, et al
Journal of the American Chemical Society, 110(21), 7098-7105 (1988)
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)

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