1-Heneicosanol

1-Heneicosanol, or heneicosyl alcohol, is a saturated fatty alcohol with 21 carbon atoms and the molecular formula C₂₁H₄₄O. At room temperature, it is a white solid. Similar to other fatty alcohols, it is used industrially as a surfactant and lubricant.

1-Heneicosanol

Names
Preferred IUPAC name Heneicosan-1-ol
Identifiers
CAS Number	15594-90-8 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:78410
ChemSpider	76686 Y
ECHA InfoCard	100.036.051
PubChem CID	85014
UNII	15BB7P0F03 Y
CompTox Dashboard (EPA)	DTXSID70935330
InChI InChI=1S/C21H44O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22/h22H,2-21H2,1H3 Key: FIPPFBHCBUDBRR-UHFFFAOYSA-N
SMILES CCCCCCCCCCCCCCCCCCCCCO
Properties
Chemical formula	C21H44O
Molar mass	312.582 g·mol−1
Appearance	White solid
Melting point	70 °C (158 °F; 343 K)
Boiling point	370 °C (698 °F; 643 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Natural occurrence

1-Heneicosanol naturally occurs in various flowering plants, such as the tomato^[1] and napa cabbage.^[2] A 2021 study analyzing the chemical composition of cow urine through gas chromatography–mass spectrometry found that 1-heneicosanol is one of its major components.^[3]