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N-Heptane Chemical

N-Heptane Chemical

Product Details:


Product Description

n-Heptane for liquid chromatography LiChrosolv. CAS 142-82-5, EC Number 205-563-8, chemical formula CH(CH)CH


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 210nm): 50 %
Transmission (at 220nm): 80 %
Transmission (from 245nm): 98 %
Filtered by 0.2 m filter

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.

bp   97 - 98 C (1013 hPa)
expl. lim.     1 - 7 %(V)
vapor pressure   48 hPa (20 C)
solubility   0.05 g/l
density   0.68 g/cm3 (20 C)
flash point   -4 C
autoignition temp.   215 C
mp   -90.5 C
LD 50 oral   LD50 Rat > 5000 mg/kg
LD 50 dermal   LD50 Rabbit > 2000 mg/kg
storage conditions   Store at +5C to +30C.
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