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 checkY
3D model (JSmol)
  • Interactive image
Beilstein Reference
 1633499
ChEBI
  • CHEBI:44630 checkY
ChemSpider
  • 62628 checkY
ECHA InfoCard 100.010.083 Edit this at Wikidata
EC Number
  • 214-254-7
Gmelin Reference
 1524772
KEGG
  • C14218 checkY
PubChem CID
  • 69420
UNII
  • 806K32R50Z checkY
CompTox Dashboard (EPA)
  • DTXSID2022416 Edit this at Wikidata
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
  • 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)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
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 checkY☒N ?)
Infobox references
Chemical compound

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

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.