n-Heptane 99% HP PARENTEX 200LT Go Back


: 142-82-5

Molecular Formula

: C7H16

Molecular Weight

: 100.21
Description: Clear, colorless, liquid.
Solubility: Immiscible in water; miscible in alcohol.
Appearance of Solution: The solution should be clear and colorless in reference to water
Boiling range (95%): 97.0°C - 99.0°C
Relative density, 20°C: 0.683 to 0.686
Refractive index,20° C: 1.384 to 1.388
Identification by IR: IR Spectra of the sample should be concomittant with IR spectra of the standard.
Purity (By GC): NLT 99.0%
Residue on evaporation: NMT 0.001%
Acidity: NMT 0.0005 meq/gm
Sulphur compounds(as CS2): No darkening is produced in the aqueous layer.
Benzene content (By GC): NMT 2ppm
Single large impurity: NMT 0.5%
Total impurities: NMT 1.0 %
Lead (Pb): NMT 0.5ppm
Cadmium(Cd): NMT 0.15ppm
Arsenic (As): NMT 0.15ppm
Mercury(Hg): NMT 0.15ppm
Water: NMT 0.01%
Total aerobic microbial count: NMT 100 CFU/ml
Total Yeast & mold count: NMT 10 CFU/ml
Bacterial endotoxins: NMT 2.5 EU/ml
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