n-Heptane 99% for trace analysis of pesticide residues [142-82-5] n-Heptan is a flammable liquid found in petroleum and widely used in the automotive industry. Used as a solvent, as a standard for testing petrol knocks, as a liquid for car starters and heavy gasoline. n-Heptan causes adverse health effects for professional employees such as CNS depression, skin irritation and pain.
Boiling point: 97 – 98 ° C (1013 hPa)
Density: 0.68 g / cm3 (20 ° C)
Explosive limits: 1 – 7% (V)
Flash point: -4 ° C
Ignition temperature: 215 ° C
Melting point: -90.5 ° C
Vapor pressure: 48 hPa (20 ° C)
Solubility: 0,05 g / l
Evaporation residue: ≤ 0.0002%
Water: ≤ 0.005%
Color: ≤ 10 Hazen
Acidity: ≤ 0.0001 meq / g
Alkalinity: ≤ 0.0002 meq / g
Labeling of hazardous chemicals and mixtures that are part of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). The pictograms recommended by GHS have the shape of a square set on the top. They should contain a black symbol on a white background with a red border.
Priority rules to be observed in connection with the labeling of a substance:
– the skull and crossbones, the exclamation mark pictogram should not be added.
– corrosive effect, the exclamation mark pictogram should not be added if it concerns eye or skin irritation.
– health hazard determining respiratory sensitization, the exclamation mark pictogram should not be added if it concerns skin sensitization or irritation to eyes or skin.
Source: GHS pictograms
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