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N-Heptane Chemical
Product Details:
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Product Description
n-Heptane for liquid chromatography LiChrosolv. CAS 142-82-5, EC Number 205-563-8, chemical formula CH(CH)CH
Description
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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