Heptane, Lab Grade, 5 Gallons Description Lab Grade Heptane contains different isomers of heptane, such as n-Heptane and iso-Heptane. It is a straight chain alkane- a hydrocarbon with no special functional group- and is derived from gasoline. It appears as a clear or colorless liquid with a petroleum-like odor at room temperature. It is the main constituent of gasoline and used as a standard for the octane rating of fuels. It is certified as laboratory-grade due to the presence of impurities. Lab grade chemicals possess reasonable purity, but do not comply with any official standard for quality or purity. Owing to its grade, it cannot be used in food items and medicines. Non-polar solventFuel sourceAdhesive removerManufacture of rubber cement and ink. Cement industryResearch laboratoriesInk manufacturing Specifications Specific Gravity @ 60/60°F 68.0 Color, Saybolt 28 min Water Content (ppm) 500 max Residue after evaporation ≤ 0.0005% Sulfur, ppm 0.0000 Total Aromatics, wt % ≤ 0.0 Kauri-Butanol Value 31.0 Heptane, Lab Grade Heptane, Lab Grade, 1 Gallons Heptane, Lab Grade, 4 Liter Heptane, Lab Grade, 4 x 1 Liter Heptane, Lab Grade, 55 Gallons