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236705

Sigma-Aldrich

Pentane

anhydrous, ≥99%

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About This Item

Linear Formula:
CH3(CH2)3CH3
CAS Number:
109-66-0
Molecular Weight:
72.15
Beilstein/REAXYS Number:
969132
EC Number:
203-692-4
MDL number:
MFCD00009498
UNSPSC Code:
12352001
PubChem Substance ID:
57648039
NACRES:
NA.21

grade

anhydrous

Quality Level

100

vapor density

2.48 (vs air)

vapor pressure

26.76 psi ( 55 °C)
8.28 psi ( 20 °C)

assay

≥99%

form

liquid

autoignition temp.

500 °F

expl. lim.

~8.3 %

impurities

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

evapn. residue

<0.0005%

refractive index

n20/D 1.358 (lit.)

bp

35-36 °C (lit.)

mp

−130 °C (lit.)

density

0.626 g/mL at 25 °C (lit.)

SMILES string

CCCCC

InChI

1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3

InChI key

OFBQJSOFQDEBGM-UHFFFAOYSA-N

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General description

Pentane, a linear aliphatic hydrocarbon, is one of the main constituents of light straight-run (LSR) gasoline fraction in crude oils. Its isomerization can improve the octane number of gasoline. This has led to the development of a number of metal catalysts, which can effectively isomerize n-pentane to iso-pentane.

Application

Pentane may be used as a solvent in the preparation of tetraethynyl silane from tetrakis((trimethylsilyl)ethynyl)silane.

Packaging

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signalword

Danger

Hazard Classifications

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

target_organs

Central nervous system

supp_hazards

EUH066

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

-40.0 °F

flash_point_c

-40 °C

ppe

Eyeshields, Faceshields, Gloves

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Maranda S Cantrell et al.
Foods (Basel, Switzerland), 9(7) (2020-07-10)
Qualitative and semi-quantitative analysis of organosulfides extracted from oil obtained by steam distillation of yellow onions was performed by gas chromatography-mass spectrometry (GC-MS). The extraction efficiency of organosulfides from onion oil was evaluated across four solvents: dichloromethane; diethyl ether; n-pentane;
Re and Pt?Re incorporation in sulfated zirconia as catalysts for n-pentane isomerization
Aboul-Gheit AK, et al
Egyptian Journal of Petroleum, 23(3), 303-314 (2014)
Synthesis and Structure of Tetraethynylsilane and Its Silylated Derivatives.
Geyer FL, et al.
Chemistry?A European Journal, 20(13), 3600-3605 (2014)
Ir/Pt-HZSM5 for n-pentane isomerization: Effect of Si/Al ratio and reaction optimization by response surface methodology
Setiabudi HD, et al.
Chemical Engineering Journal, 217, 300-309 (2013)
Supported SO42-/ZrO2 Solid Superacid Catalysts for n-Pentane Isomerization.
Zhao L, et al.
Modern Research in Catalysis, 3(03), 89-89 (2014)
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