4-Ethylguaiacol

4-Ethylguaiacol
Names
	Preferred IUPAC name 4-Ethyl-2-methoxyphenol
	Other names p-Ethylguaiacol; Homocresol; Guaiacyl ethane; 2-Methoxy-4-ethylphenol
Identifiers
CAS Number	2785-89-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	56245 ;
ECHA InfoCard	100.018.637
PubChem CID	62465;
UNII	C9NFD83BJ5 ;
CompTox Dashboard (EPA)	DTXSID0047038 ;
	InChI InChI=1S/C9H12O2/c1-3-7-4-5-8(10)9(6-7)11-2/h4-6,10H,3H2,1-2H3 Key: CHWNEIVBYREQRF-UHFFFAOYSA-N ; InChI=1/C9H12O2/c1-3-7-4-5-8(10)9(6-7)11-2/h4-6,10H,3H2,1-2H3 Key: CHWNEIVBYREQRF-UHFFFAOYAE;
	SMILES Oc1ccc(cc1OC)CC;
Properties
Chemical formula	C9H12O2
Molar mass	152.193 g·mol−1
Appearance	Colorless liquid
Density	1064 kg/m3 (20 °C)
Melting point	15 °C (59 °F; 288 K)
Boiling point	235.1 °C (455.2 °F; 508.2 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P302+P352, P305+P351+P338
NFPA 704 (fire diamond)	2 1 0
Safety data sheet (SDS)	External MSDS
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

4-Ethylguaiacol, often abbreviated to 4-EG, is a phenolic compound with the molecular formula C₉H₁₂O₂ that's a key aromatic component in various products, from food and beverages to cosmetics and pharmaceuticals. It can be produced in wine and beer by Brettanomyces. It is also frequently present in bio-oil produced by pyrolysis of lignocellulosic biomass.