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1.04390 Supelco

n-Heptane

for liquid chromatography LiChrosolv®

Synonym: Heptane

  • CAS Number 142-82-5

  • Linear Formula CH3(CH2)5CH3

  • Molecular Weight 100.20

  •  Beilstein/REAXYS Number 1730763

  •  MDL number MFCD00009544

  •  EC Index Number 205-563-8

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Properties

Related Categories HPLC Isocratic Grade Solvents, HPLC Solvents, Solvent by Application, Solvents
Quality Level   100
vapor density   3.5 (vs air)
vapor pressure   40 mmHg ( 20 °C)
  83 mmHg ( 37.7 °C)
assay   ≥99.3% (GC)
form   liquid
autoignition temp.   433 °F
potency   >5000 mg/kg LD50, oral (Rat)
  >2000 mg/kg LD50, skin (Rabbit)
expl. lim.   7 %
application(s)   LC/MS: suitable
refractive index   n20/D 1.387 (lit.)
bp   98 °C (lit.)
mp   −91 °C (lit.)
transition temp   flash point -4 °C
solubility   0.05 g/L
density   0.684 g/mL at 25 °C (lit.)
SMILES string   CCCCCCC
InChI   1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3
InChI key   IMNFDUFMRHMDMM-UHFFFAOYSA-N
storage conditions   Store at +5°C to +30°C.

Description

General description

With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.

Analysis Note

Purity (GC): ≥ 99.3 %
Identity (IR): conforms
Evaporation residue: ≤ 2.0 mg/l
Water: ≤ 0.005 %
Acidity: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Transmission (at 210 nm): ≥ 50 %
Transmission (at 220 nm): ≥ 80 %
Transmission (from 245 nm): ≥ 98 %
Filtered by 0.2 µm filter

Legal Information

LICHROSOLV is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Protocols & Articles

Articles

Detection and Determination of Caffeine, Taurine and Arginine in Shampoos by HPTLC

During the last few years a new trend in hair care products (shampoos) has become apparent. The cleaning ability of the product is no longer the primary focus as the cosmetic industry has started to ...
Keywords: Adsorption, Chromatography, Cosmetics, Derivatizations, Mass spectrometry, Nuclear magnetic resonance spectroscopy, Separation, Thin layer chromatography

Determination of Caffeine in Coffee using High Performance Thin Layer Chromatography

High Performance Thin Layer Chromatography (HPTLC) is a very useful analytical technique and requires low sample preparation, here illustrated through the analysis of caffeine in coffee. Only extract...
Keywords: Chromatography, Filtration, Gas chromatography, Gene expression, High performance liquid chromatography, Mass spectrometry, Planar chromatography, Sample preparations, Separation, Thin layer chromatography

Determination of Caffeine in Energy Drinks with HPTLC-MS

An energy drink is a beverage that contains stimulants such as caffeine and taurine in additions to sugar, water, dyes and aromatics. Caffeine belongs to the alkaloid family, and it is a stimulator o...
Keywords: Addition reactions, Central Nervous System, Chromatography, High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry, Sample preparations, Separation, Thin layer chromatography

Determination of Quinine in Tonic Water and Caffeine in Coffee and Cola drinks using TLC-MS

High Performance Thin Layer Chromatography coupled with Mass spectrometry (HPTLC–MS) is an analytical technique that requires low-level of sample preparation. Here it is illustrated with the determin...
Keywords: Chromatography, Gene expression, High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry, Sample preparations, Separation, Thin layer chromatography

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...

Qualitative Thin Layer Chromatography Analysis of Flavonoids and Quantification of Terpene Lactones in Ginkgo Biloba Extracts and Tablets

Ginkgo is one of the oldest medicinal plants on earth. Originally it comes from China but nowadays it is cultivated all over the world. The plant contains various flavonoids and terpenes, which are r...
Keywords: Derivatizations, Diseases, Mass spectrometry, Sample preparations, Separation, Size-exclusion chromatography, Thin layer chromatography

Quantification of bitter acids in hops by thin layer chromatography

The amount of bitter acids in hops is a very important parameter for beer production. Different types of hops have different quantities of alpha and beta acids, which are responsible for the bitterne...
Keywords: Chromatography, Mass spectrometry, PAGE, Sample preparations, Spectroscopy, Thin layer chromatography

Sample prep-free determination of Caffeine in shampoo by using TLC-MS

The analysis of shampoo for caffeine determination is an excellent application to demonstrate the easy handling and good performance of TLC-MS (thin layer chromatography – mass spectrometry) using th...
Keywords: Chromatography, Filtration, High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry, PAGE, Sample preparations, Separation, Thin layer chromatography

Solvents for Liquid Chromatography LiChrosolv®

For perfect high-performance liquid chromatography (HPLC) results, high-performance solvents are a must. LiChrosolv® solvents are designed to optimally support analytical HPLC, fast chromatography, a...
Keywords: Chromatography, Evaporation, High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry, Phase transitions, Separation, Solvents

TLC Analysis Of Caffeine in energy drinks on HPTLC Silica gel 60 F254 MS-grade

From our library of Articles, Sigma-Aldrich presents TLC Analysis Of Caffeine in energy drinks on HPTLC Silica gel 60 F254 MS-grade
Keywords: Gene expression, Mass spectrometry, Sample preparations, Thin layer chromatography

TLC Analysis Of Compounds in Amelanchir Ovalis Extract on HPTLC Silica gel 60 F254s

From our library of Articles, Sigma-Aldrich presents TLC Analysis Of Compounds in Amelanchir Ovalis Extract on HPTLC Silica gel 60 F254s

TLC Analysis of Caffeine in Coffee Samples, Quantification of Analyte Concentration

From our library of Articles, Sigma-Aldrich presents TLC Analysis of Caffeine in Coffee Samples, Quantification of Analyte Concentration
Keywords: Chromatography, Sample preparations, Separation, Thin layer chromatography

TLC Analysis of Insecticides on HPTLC Silica Gel 60 F 254

From our library of Articles, Sigma-Aldrich presents TLC Analysis of Insecticides on HPTLC Silica Gel 60 F 254

TLC Analysys of Compounds in Saraca dives Fabaceae extract on HPTLC Silica gel 60 F254s

From our library of Articles, Sigma-Aldrich presents TLC Analysys of Compounds in Saraca dives Fabaceae extract on HPTLC Silica gel 60 F254s
Keywords: Sample preparations, Thin layer chromatography

TLC Analysys of antioxidants in Itoa orientalis Flacourtiaceae extract on HPTLC Silica gel 60 F254s

From our library of Articles, Sigma-Aldrich presents TLC Analysys of antioxidants in Itoa orientalis Flacourtiaceae extract on HPTLC Silica gel 60 F254s
Keywords: Sample preparations, Thin layer chromatography

TLC/MS Analysis of UV Filters in Sun Cream on HPTLC Silica Gel 60 F254 MS-grade

From our library of Articles, Sigma-Aldrich presents TLC/MS Analysis of UV Filters in Sun Cream on HPTLC Silica Gel 60 F254 MS-grade
Keywords: Cosmetics, Mass spectrometry, Thin layer chromatography

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