Puneet Varma

Heptanoic acid

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Formula  C7H14O2
Boiling point  223 °C
Appearance  Oily liquid
Molar mass  130.1849 g/mol
Density  918 kg/m³
Heptanoic acid substancetooltipashxid1577

Heptanoic acid, also called enanthic acid, is an organic compound composed of a seven-carbon chain terminating in a carboxylic acid. It is an oily liquid with an unpleasant, rancid odor. It contributes to the odor of some rancid oils. It is slightly soluble in water, but very soluble in ethanol and ether.

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Production and uses

Heptanoic acid FileHeptanoic acidpng Wikimedia Commons

The methyl ester of ricinoleic acid, obtained from castor bean oil, is the main commercial precursor to heptanoic acid. It is pyrolyzed to the methyl ester of undecenoic acid and heptanal, which is then air oxidized to the carboxylic acid. Approximately 20,000 tons were consumed in Europe and US in 1980.

Heptanoic acid heptanoic acid C7H14O2 ChemSynthesis

Heptanoic acid is used in the preparation of esters, such as ethyl heptanoate, which are used in fragrances and as artificial flavors.

Heptanoic acid 6meheptanoic acid

Heptanoic acid is used to esterify steroids in the preparation of drugs such as testosterone enanthate, trenbolone enanthate, drostanolone enanthate and methenolone enanthate (Primobolan). It is also one of many additives in cigarettes.

References

Heptanoic acid Wikipedia


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