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650552 Sigma-Aldrich

Hexane

HPLC Plus, for HPLC, GC, and residue analysis, ≥95%

Synonym: n-Hexane

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Properties

Related Categories Amber Glass Bottles, Analytical Reagents, Analytical/Chromatography, Chromatography Reagents & Solvents, HPLC Plus,
grade   HPLC Plus
  for GC
  for HPLC
  for residue analysis
vapor density   ~3 (vs air)
vapor pressure   256 mmHg ( 37.7 °C)
  5.2 psi ( 37.7 °C)
  ~132 mmHg ( 20 °C)
InChI Key   VLKZOEOYAKHREP-UHFFFAOYSA-N
assay   ≥95%
autoignition temp.   453 °F
expl. lim.   7.7 %
impurities   ≤ 1.0 ppb Fluorescence (quinine) at 365 nm
  <0.01% water
evapn. residue   <0.0001%
halogenated residue   <10 ng/L (as heptachlor epoxide)
refractive index   n20/D 1.375 (lit.)
bp   69 °C (lit.)
mp   −95 °C (lit.)
solubility   ethanol: soluble(lit.)
density   0.659 g/mL at 25 °C (lit.)
UV absorption   λ: 195 nm Amax: 1.00
  λ: 200 nm Amax: 0.50
  λ: 210 nm Amax: 0.20
  λ: 220 nm Amax: 0.05
  λ: 250 nm Amax: 0.01
  λ: 280-400 nm Amax: 0.005
Featured Industry   Food and Beverages

Description

General description

Hexane (n-hexane) is an alkane, that can be obtained from petroleum by distillation. It can also be produced by electrolyzing the potassium butyrate solution. It is widely employed organic solvent for the dissolution and isolation of fats and oils. Its thermodynamic properties and kinetics of thermal decomposition have been studied over a range of temperature. A study on the zeolite supported platinum catalyzed isomerization and aromatization of n-hexane has been reported. Its removal from hexane contaminated air streams using vapor phase biological reactor (VPBR) immobilized with hexane-degrading Aspergillus niger strain has been studied. The metabolism of n-hexane forms 2,5-hexanedione (2,5-HD), which is reported to induce neurotoxicity.

Application

Hexane may be used in the following studies:
• Preparation of graft-copolymer chains of poly-(dimethylsiloxane)-g-poly(methyl methacrylate).
• GC/MS characterization of essential oils isolated from various origins.
• As solvent for the preparation of samples and standards during chromatographic studies.
• To extract free and total gossypol in combination with acetone from cottonseed flakes.

Suitable for HPLC, spectrophotometry, environmental testing

Packaging

1, 6×1, 4, 4×4 L in glass bottle

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Safety & Documentation

Safety Information

Signal word 
Danger
Precautionary statements 
RIDADR 
UN1208 - class 3 - PG 2 - Hexanes
WGK Germany 
2
RTECS 
MN9275000
Flash Point(F) 
-14.8 °F
Flash Point(C) 
-26 °C

Documents

Certificate of Analysis

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Certificate of Origin

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Dispensette™ S
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...

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Pressure-Temperature Nomograph Interactive Tool

Use the interactive controls above to simplify calculations and improve the efficiency of your distillation or evaporation requirements.
Keywords: Evaporation, Vaporization

Properties of Solvents Table

The table below presents the physical characteristics of common solvents. Easily reference or compare solvent properties like boiling point, density, and refractive index all from one list.
Keywords: Gas chromatography, Green chemistry, High performance liquid chromatography, Melting, Solvents

Peer-Reviewed Papers
15

References

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