HEPTANES
Prepared at the 30th JECFA (1986), published in FNP 37 (1986) and in FNP 52 (1992). Metals and arsenic specifications revised at the 63rd
JECFA (2004). An ADI limited by GMP was established at 14th JECFA (1970)
DEFINITION These specifications refer to the heptane petroleum hydrocarbon fraction which contains isomers of the empirical formula C7H16. The relative proportion of isomers varies with the production lot. The most prevalent components are: n-heptane, dimethylcyclopentanes, 3-ethylpentane, methyl- cyclohexane and 3-methylhexane.
C.A.S. number 142-82-5 (n-heptane)
Chemical formula C7H16
Formula weight 100.2 (n-heptane)
DESCRIPTION Clear colourless mobile highly flammable liquid with a petroleum odour
FUNCTIONAL USES Extraction solvent
