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34956 Sigma-Aldrich

Pentane

for HPLC, ≥99.0%

  • CAS Number 109-66-0

  • Linear Formula CH3(CH2)3CH3

  • Molecular Weight 72.15

  •  Beilstein/REAXYS Number 969132

  •  EC Number 203-692-4

  •  MDL number MFCD00009498

  •  PubChem Substance ID 329755097

  •  NACRES NA.06

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Properties

Related Categories Amber Glass Bottles, Analytical Reagents, Analytical/Chromatography, Chromatography Reagents & Solvents, HPLC,
Quality Level   100
grade   for HPLC
vapor density   2.48 (vs air)
vapor pressure   26.98 psi
assay   ≥99.0%
form   liquid
autoignition temp.   500 °F
expl. lim.   ~8.3 %
application(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

Description

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

1, 6×1, 2, 4, 4×4 L in glass bottle

200 L in Pure-Pac™ 1

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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Safety & Documentation

Safety Information

Signal word 
Danger
Hazard statements 
Precautionary statements 
Target organs 
Central nervous system
Supplemental Hazard Statements 
EUH066
RIDADR 
UN1265 - class 3 - PG 2 - Pentanes
WGK Germany 
WGK 2
RTECS 
RZ9450000
Flash Point(F) 
-40.0 °F
Flash Point(C) 
-40 °C

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

Peer-Reviewed Papers
15

References

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