1,2-Octanediol

{{refimprove|date=December 2021}}

{{chembox

| ImageFile = 1,2-octanediol.svg

| PIN = Octane-1,2-diol

| OtherNames = 1,2-Octanediol
Caprylyl glycol
Glycol caprylyl
1,2-Dihydroxyoctane
1,2-Octylene glycol

| Section1={{Chembox Identifiers

| CASNo_Ref = {{cascite|correct|??}}

| CASNo=1117-86-8

| Beilstein = 1719619

| ChEMBL = 3186864

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = 00YIU5438U

| EINECS=214-254-7

| PubChem=14231

| SMILES=CCCCCCC(CO)O

| ChemSpiderID = 13595

| InChI = 1S/C8H18O2/c1-2-3-4-5-6-8(10)7-9/h8-10H,2-7H2,1H3

| InChIKey = AEIJTFQOBWATKX-UHFFFAOYSA-N

| ChEBI = 34056

| KEGG = C14273

}}

|Section2={{Chembox Properties

| C=8 | H=18 | O=2

| MolarMass = 146.227 g/mol

| Appearance = White semi-solid

| MeltingPtC= 30 to 35

| BoilingPtC = 140

| BoilingPt_notes = at 16 mmHg

}}

|Section8={{Chembox Hazards

| FlashPtC = 148

| NFPA-H = 1

| NFPA-F = 1

| NFPA-R = 0

| NFPA-S =

| GHS_ref={{cite web |title=C&L Inventory |url=https://echa.europa.eu/information-on-chemicals/cl-inventory-database/-/discli/details/99610 |website=echa.europa.eu}}

| GHSPictograms = {{GHS07}}

| GHSSignalWord = Warning

| HPhrases = {{H-phrases|319}}

| PPhrases = {{P-phrases|264|270|280|301+312|305+351+338|310|330|337+313|501}}

| ExternalSDS = [http://www.sigmaaldrich.com/MSDS/MSDS/PrintMSDSAction.do?name=msdspdf_1610275070426738 Sigma-Aldrich SDS]

}}

}}

1,2-Octanediol, also known as caprylyl glycol, is a diol with the molecular formula CH{{sub|3}}(CH{{sub|2}}){{sub|5}}CHOHCH{{sub|2}}OH.[http://www.chemicalland21.com/industrialchem/solalc/1,2-OCTANEDIOL.htm 1,2-Octanediol] at chemicalland21.com[https://pubchem.ncbi.nlm.nih.gov/compound/14231 1,2-Octanediol] at PubChem[http://www.chemspider.com/Chemical-Structure.13595.html 1,2-Octanediol] at ChemSpider.com[http://www.ebi.ac.uk/chebi/searchId.do?chebiId=34056 Octane-1,2-diol] at ChEBI[http://www.genome.jp/dbget-bin/www_bget?cpd:C14273 1,2-Octanediol] at KEGG

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.