1,2-Octanediol

1,2-Octanediol

Names
Preferred IUPAC name Octane-1,2-diol
Other names 1,2-Octanediol Caprylyl glycol Glycol caprylyl 1,2-Dihydroxyoctane 1,2-Octylene glycol
Identifiers
CAS Number	1117-86-8 Y
3D model (JSmol)	Interactive image
Beilstein Reference	1719619
ChEBI	CHEBI:34056
ChEMBL	ChEMBL3186864
ChemSpider	13595
ECHA InfoCard	100.012.959
EC Number	214-254-7
KEGG	C14273
PubChem CID	14231
UNII	00YIU5438U Y
CompTox Dashboard (EPA)	DTXSID9036646
InChI InChI=1S/C8H18O2/c1-2-3-4-5-6-8(10)7-9/h8-10H,2-7H2,1H3 Key: AEIJTFQOBWATKX-UHFFFAOYSA-N
SMILES CCCCCCC(CO)O
Properties
Chemical formula	C8H18O2
Molar mass	146.227 g/mol
Appearance	White semi-solid
Melting point	30 to 35 °C (86 to 95 °F; 303 to 308 K)
Boiling point	140 °C (284 °F; 413 K) at 16 mmHg
Hazards
GHS labelling:1
Pictograms
Signal word	Warning
Hazard statements	H319
Precautionary statements	P264, P270, P280, P301+P312, P305+P351+P338, P310, P330, P337+P313, P501
NFPA 704 (fire diamond)	1 1 0
Flash point	148 °C (298 °F; 421 K)
Safety data sheet (SDS)	Sigma-Aldrich SDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

1,2-Octanediol, also known as caprylyl glycol, is a diol with the molecular formula CH₃(CH₂)₅CHOHCH₂OH.²³⁴⁵

It is a common component of many creams and ointments, where it is used as a skin conditioning agent. It is also noted to have some antimicrobial (preserving) ability.