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Skeletal formula
Space-filling model
IUPAC name
Other names
Heptyl alcohol
n-Heptyl alcohol
Enanthic alcohol
111-70-6 YesY
3D model (Jmol) Interactive image
ChEMBL ChEMBL273459 YesY
ChemSpider 7837 YesY
ECHA InfoCard 100.003.544
PubChem 8129
UNII 8JQ5607IO5 YesY
Molar mass 116.20 g·mol−1
Density 0.8187 g/cm3
Melting point −34.6 °C (−30.3 °F; 238.6 K)
Boiling point 175.8 °C (348.4 °F; 448.9 K)
-91.7·10−6 cm3/mol
-4637.9 kJ/mol
NFPA 704
Flammability code 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g., diesel fuel Health code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroform Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
Flash point 76 °C (169 °F; 349 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

1-Heptanol is an alcohol with a seven carbon chain and the structural formula of CH3(CH2)6OH.[1] It is a clear colorless liquid that is very slightly soluble in water, but miscible with ether and ethanol.


There are three other isomers of heptanol that have a straight chain, 2-heptanol, 3-heptanol, and 4-heptanol, which differ by the location of the alcohol functional group.

Heptanol is commonly used in cardiac electrophysiology experiments to block gap junctions and increase axial resistance between myocytes. Increasing axial resistance will decrease conduction velocity and increase the heart's susceptibility to reentrant excitation and sustained arrhythmias.

1-Heptanol has a pleasant smell and is used in cosmetics for its fragrance.

See also[edit]