1.03654 Supelco


hypergrade for LC-MS 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



Related Categories HPLC Solvents, Hypergrade Solvents for LC-MS, 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
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.)
InChI   1S/C7H16/c1-3-5-7-6-4-2/h3-7H2,1-2H3
storage conditions   Store at +5°C to +30°C.


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
Al (Aluminium): ≤ 10 ppb
Ca (Calcium): ≤ 10 ppb
Fe (Iron): ≤ 10 ppb
K (Potassium): ≤ 5 ppb
Mg (Magnesium): ≤ 10 ppb
Na (Sodium): ≤ 10 ppb
Transmission (at 210 nm): ≥ 50 %
Transmission (at 220 nm): ≥ 80 %
Transmission (from 245 nm): ≥ 98 %
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI positive): ≤ 2 ppb
Suitable for LC-MS; Intensity of background mass peak based on reserpine(APCI/ESI negative): ≤ 20 ppb
Filtered by 0.2 μm filter.

Legal Information

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

Safety & Documentation

Safety Information

Protocols & 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...

Solvents and Blends for LC-MS

LC-MS has become an important tool in today’s analytical labs. In order to obtain accurate and reproducible results, high demands are made on the purity of chemicals. We are therefore already offerin...
Keywords: High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry, Phase transitions, Solvents

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