1,8-Octanediol

1,8-Octanediol

Names
Preferred IUPAC name Octane-1,8-diol
Other names 1,8-Octanediol Octamethylene glycol 1,8-Dihydroxyoctane
Identifiers
CAS Number	629-41-4^Y
3D model (JSmol)	Interactive image
Beilstein Reference	1633499
ChEBI	CHEBI:44630^Y
ChemSpider	62628^Y
ECHA InfoCard	100.010.083
EC Number	214-254-7
Gmelin Reference	1524772
KEGG	C14218^Y
PubChem CID	69420
UNII	806K32R50Z^Y
CompTox Dashboard (EPA)	DTXSID2022416
InChI InChI=1S/C8H18O2/c9-7-5-3-1-2-4-6-8-10/h9-10H,1-8H2^N Key: OEIJHBUUFURJLI-UHFFFAOYSA-N^N InChI=1/C8H18O2/c9-7-5-3-1-2-4-6-8-10/h9-10H,1-8H2 Key: OEIJHBUUFURJLI-UHFFFAOYAW
SMILES OCCCCCCCCO
Properties
Chemical formula	C8H18O2
Molar mass	146.227 g/mol
Appearance	White solid
Melting point	57 to 61 °C (135 to 142 °F; 330 to 334 K)
Boiling point	278.8 °C at 760 mmHg; 172 °C (342 °F; 445 K) at 20 mmHg
Hazards
NFPA 704 (fire diamond)	1 0 0
Flash point	148 °C (298 °F; 421 K)
Safety data sheet (SDS)	GFS Chemicals, Inc. MSDS
Related compounds
Related compounds	1,9-Nonanediol 1,7-Heptanediol 1,2-Octanediol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references

1,8-Octanediol, also known as octamethylene glycol, is a diol with the molecular formula HO(CH₂)₈OH. 1,8-Octanediol is a white solid. It is produced by hydrogenation of esters of suberic acid.^[1]

1,8-Octanediol is used as a monomer in the synthesis of some polymers such as polyesters and polyurethanes.

As with other fatty alcohols, octane-1,8-diol is used in cosmetics as an emollient and humectant.

See also

• Ethylene glycol
• 1,2-Octanediol

References

1. Noweck, Klaus; Grafahrend, Wolfgang (2006). "Fatty Alcohols". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a10_277.pub2. ISBN 978-3527306732.