m-Cresol

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m-cresol
IUPAC name	3-Methylphenol
Other names	3-Hydroxytoluene
Identifiers
CAS number	[108-39-4]
EINECS number	203-39-4
RTECS number	GO6125000
SMILES	Cc1cc(O)ccc1
Properties
Molecular formula	C7H8O
Molar mass	108.14 g/mol
Appearance	colorless liquid
Density	1.034 g/cm³, liquid at 20 °C
Melting point	11 °C
Boiling point	202.8 °C
Solubility in water	2.35 g/100 ml at 20 °C 5.8 g/100 ml at 100 °C
Solubility in ethanol	fully miscible
Solubility in diethyl ether	fully miscible
Refractive index (nD)	1.5398
Viscosity	184.23 cP at 20 °C
Hazards
MSDS	External MSDS
Main hazards	May cause serious burns. Very destructive of mucous membranes. Harmful if inhaled. Toxic in contact with the skin or if swallowed.
NFPA 704	2 3 0
R-phrases	R20 R24 R25 R34
S-phrases	S36 S37 S39 S45
Flash point	86 °C
Related compounds
Related phenols	o-cresol, p-cresol, phenol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

m-Cresol, also 3-methylphenol, is a phenol, with formula (CH₃)C₆H₄(OH).

Amongst its uses it can be used as a solvent for dissolving polymers, most notably the conducting polymer polyaniline. When polyaniline is cast from a solution of m-cresol or a polyaniline film is exposed to m-cresol vapor the conductivity is higher than a polyaniline film cast without the presence of m-cresol.

It is an isomer of p-cresol, o-cresol and anisole

For more information see cresol.

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