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34956

Sigma-Aldrich

Pentane

suitable for HPLC, ≥99.0%

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Linear Formula:
CH3(CH2)3CH3
CAS Number:
109-66-0
Molecular Weight:
72.15
Beilstein:
969132
EC Number:
203-692-4
MDL number:
MFCD00009498
PubChem Substance ID:
329755097
NACRES:
NA.06

vapor density

2.48 (vs air)

Quality Level

100

vapor pressure

26.98 psi

Assay

≥99.0%

form

liquid

autoignition temp.

500 °F

expl. lim.

~8.3 %

technique(s)

HPLC: suitable

impurities

≤0.0005% free acid (as CH3COOH)
≤0.0005% non-volatile matter
≤1 ppb fluorescence (quinine) at 254 nm
≤1 ppb fluorescence (quinine) at 365 nm
<0.005% water (Karl Fischer)

evapn. residue

<0.0005%

transmittance

200 nm, ≥20%
210 nm, ≥60%
220 nm, ≥85%
230 nm, ≥95%
250 nm, ≥99%

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.)

λ

neat

UV absorption

λ: 200 nm Amax: ≤0.70
λ: 210 nm Amax: ≤0.20
λ: 220 nm Amax: ≤0.07
λ: 230 nm Amax: ≤0.02
λ: 250 nm Amax: ≤0.004

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 (n-pentane) is a hydrocarbon. Its hydroisomerization using a nanocrystalline beta (BEA) zeolite has been proposed. It has been reported as one of the products formed from the peroxidation of unsaturated fatty acid.

Other Notes

Important notice
The article number 34956-4X2.5L will be discontinued. Please order the single bottle 34956-2.5L which is physically identical with the same exact specifications.

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Signal Word

Danger

Hazard Statements

H225 - H304 - H336 - H411

Precautionary Statements

P210 - P273 - P301 + P310 + P331

Hazard Classifications

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

Target Organs

Central nervous system

Supplementary Hazards

EUH066

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-40.0 °F

Flash Point(C)

-40 °C

Regulatory Information

危险化学品

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Assessment of lipid peroxidation in newborn infants and rabbits by measurements of expired ethane and pentane: influence of parenteral lipid infusion.
Wispe JR, et al.
Pediatric Research, 19(4), 374-379 (1985)
James Clarke et al.
Nature nanotechnology, 4(4), 265-270 (2009-04-08)
A single-molecule method for sequencing DNA that does not require fluorescent labelling could reduce costs and increase sequencing speeds. An exonuclease enzyme might be used to cleave individual nucleotide molecules from the DNA, and when coupled to an appropriate detection
Michael Mayer et al.
Biophysical journal, 85(4), 2684-2695 (2003-09-26)
We present a straightforward, accessible method for the fabrication of micropores with diameters from 2 to 800 micro m in films of amorphous Teflon (Teflon AF). Pores with diameters </=40 micro m made it possible to record ion fluxes through
Hydroisomerization of pentane, hexane, and heptane for improving the octane number of gasoline.
Chica A and Corma A.
J. Catal., 187(1), 167-176 (1999)
Fuming Chen et al.
Langmuir : the ACS journal of surfaces and colloids, 27(15), 9174-9181 (2011-07-01)
Graphene oxide (GO) can be viewed as an amphiphilic soft material, which form thin films at organic solvent-water interfaces. However, organic solvent evaporation provides little driving force, which results in slow GO transfer in aqueous phase, thus dawdling GO film
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