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34873 Sigma-Aldrich

Heptane

Green Alternative

for HPLC, ≥99%

  • CAS Number 142-82-5

  • Linear Formula CH3(CH2)5CH3

  • Molecular Weight 100.20

  •  Beilstein Registry Number 1730763

  •  EC Number 205-563-8

  •  MDL number MFCD00009544

  •  PubChem Substance ID 329755080

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Properties

Related Categories Amber Glass Bottles, Analytical Reagents, Analytical/Chromatography, Chromatography Reagents & Solvents, Greener Chromatography Solvents,
grade   for HPLC
vapor density   3.5 (vs air)
vapor pressure   40 mmHg ( 20 °C)
  83 mmHg ( 37.7 °C)
InChI Key   IMNFDUFMRHMDMM-UHFFFAOYSA-N
assay   ≥99%
autoignition temp.   433 °F
purified by   filtration through 0.2μm
expl. lim.   7 %
greener alternative product characteristics   Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.
impurities   ≤0.001% free acid (as CH3COOH)
  ≤0.01% water (Karl Fischer)
  ≤1 ppb fluorescence (quinine) at 254 nm
  ≤1 ppb fluorescence (quinine) at 365 nm
evapn. residue   ≤0.0003%
color   APHA: ≤10
refractive index   n20/D 1.387(lit.)
bp   98 °C(lit.)
mp   −91 °C (lit.)
density   0.684 g/mL at 25 °C(lit.)
UV absorption   λ: 200 nm Amax: ≤0.70
  λ: 210 nm Amax: ≤0.40
  λ: 220 nm Amax: ≤0.10
  λ: 230 nm Amax: ≤0.05
  λ: 245 nm Amax: ≤0.01
  λ: 260 nm Amax: ≤0.01
  λ: 400 nm Amax: ≤0.01

Description

Features and Benefits

Greener alternative for hexane

Packaging

1 pkg in Pure-Pac™ 2

100 mL in glass bottle

200 L-P2 in Pure-Pac™ 2

56 L in Pure-Pac™ 1

1, 6×1, 2, 4×2, 4×4 L in glass bottle

20 L in Nowpak™

50 L in Pure-Pac™ 2

Application

Greener alternatives to Hexane in HPLC.

Heptane (n-heptane) may be used to compose the solvent mixtures for the purification of N-acylpyrrolidine derivatives of fatty acid methyl esters (FAMEs) by TLC (Thin Layer Chromatography).

General description

Heptane (n-Heptane) is a linear hydrocarbon. Its cetane number has been reported to be 56.

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Safety & Documentation

Safety Information

Signal word 
Danger
Hazard statements 
RIDADR 
UN1206 - class 3 - PG 2 - Heptanes
WGK Germany 
2
RTECS 
MI7700000
Flash Point(F) 
71.6 °F
Flash Point(C) 
22 °C

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Articles

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HPLC Analysis of Mephobarbital Enantiomers on Astec® Cellulose DMP

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Mephobarbital Enantiomers on Astec® Cellulose DMP
Keywords: Anticonvulsants, Chromatography, High performance liquid chromatography, Pharmaceutical

HPLC Analysis of Oxprenolol Enantiomers on Astec® Cellulose DMP

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Oxprenolol Enantiomers on Astec® Cellulose DMP
Keywords: Chromatography, High performance liquid chromatography, Pharmaceutical

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...

Related Content

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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