4-Methylcyclohexanemethanol

4-Methylcyclohexanemethanol
Names
	IUPAC name (4-Methylcyclohexyl)methanol
	Other names 1-(hydroxymethyl)-4-methylcyclohexane; 4-methylcyclohexyl-1-carbinol; MCHM; hexahydro-p-tolyl-carbinol (archaic);
Identifiers
CAS Number	34885-03-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:157744;
ChEMBL	ChEMBL3184778;
ChemSpider	105625;
ECHA InfoCard	100.131.091
EC Number	609-038-8;
PubChem CID	118193;
UNII	1558K6RHM3 ;
CompTox Dashboard (EPA)	DTXSID9041813 ;
	InChI InChI=1S/C8H16O/c1-7-2-4-8(6-9)5-3-7/h7-9H,2-6H2,1H3 Key: OSINZLLLLCUKJH-UHFFFAOYSA-N;
	SMILES CC1CCC(CC1)CO;
Properties
Chemical formula	C8H16O
Molar mass	128.215 g·mol−1
Appearance	Colourless liquid
Odor	mint-like, licorice-like (trans)
Density	0.9074 g/cm3
Boiling point	202 °C (396 °F; 475 K)
Solubility in water	low
Refractive index (nD)	1.4617
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Flash point	80 °C (176 °F; 353 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

4-Methylcyclohexanemethanol (MCHM, systematic name 4-methylcyclohexylmethanol) is an organic compound with the formula CH₃C₆H₁₀CH₂OH. Classified as a saturated higher alicyclic primary alcohol. Both cis and trans isomers exist, depending on the relative positions of the methyl (CH₃) and hydroxymethyl (CH₂OH) groups on the cyclohexane ring. Commercial samples of MCHM consists of a mixture of these isomers as well as other components that vary with the supplier.

It is a colourless oil with a faint mint-like alcohol odor. The trans isomer has a particularly low odor threshold (~7 ppb in water) and a more licorice-like quality which is not associated with the less detectable cis isomer. Like other 8-carbon alcohols, such as 1-octanol, this compound is only slightly soluble in water but highly soluble in many organic solvents. The solubility of 1-octanol in water is 2.3 grams per liter.