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34956

Sigma-Aldrich

Pentane

suitable for HPLC, ≥99.0%

Linear Formula:
CH3(CH2)3CH3
CAS Number:
Molecular Weight:
72.15
Beilstein:
969132
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.06

Quality Level

vapor density

2.48 (vs air)

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.

Packaging

200 L in Pure-Pac™ 1
1, 6×1, 2, 4, 4×4 L in glass bottle

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

Precautionary Statements

Hazard Classifications

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

Target Organs

Central nervous system

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-40.0 °F

Flash Point(C)

-40 °C

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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