M-Cresol

m-Cresol
Names
	IUPAC name 3-methylphenol
	Other names 3-Cresol; m-Cresol; 3-Hydroxytoluene; m-Cresylic acid; 1-Hydroxy-3-methylbenzene; 3-Methylbenzenol
Identifiers
CAS Number	108-39-4 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	506719
ChEBI	CHEBI:17231 ;
ChEMBL	ChEMBL298312 ;
ChemSpider	21105871 ;
DrugBank	DB01776 ;
ECHA InfoCard	100.003.253
EC Number	203-39-4;
Gmelin Reference	101411
KEGG	C01467;
PubChem CID	342;
RTECS number	GO6125000;
UNII	GGO4Y809LO ;
CompTox Dashboard (EPA)	DTXSID6024200 ;
	InChI InChI=1S/C7H8O/c1-6-3-2-4-7(8)5-6/h2-5,8H,1H3 Key: RLSSMJSEOOYNOY-UHFFFAOYSA-N ; InChI=1/C7H8O/c1-6-3-2-4-7(8)5-6/h2-5,8H,1H3 Key: RLSSMJSEOOYNOY-UHFFFAOYAJ;
	SMILES Cc1cc(O)ccc1;
Properties
Chemical formula	C7H8O
Molar mass	108.14 g/mol
Appearance	colorless liquid to yellowish liquid
Density	1.034 g/cm3, liquid at 20 °C
Melting point	11 °C (52 °F; 284 K)
Boiling point	202.8 °C (397.0 °F; 475.9 K)
Solubility in water	2.35 g/100 ml at 20 °C; 5.8 g/100 ml at 100 °C
Solubility in ethanol	miscible
Solubility in diethyl ether	miscible
Vapor pressure	0.14 mmHg (20 °C)
Magnetic susceptibility (χ)	−72.02×10−6 cm3/mol
Refractive index (nD)	1.5398
Viscosity	6.1 cP at 40 °C
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	May cause serious burns. Very destructive of mucous membranes. Harmful if inhaled. Toxic in contact with the skin or if swallowed.
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H227, H301, H311, H314, H351, H370, H372, H373, H401
Precautionary statements	P201, P202, P210, P260, P264, P270, P273, P280, P281, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P307+P311, P308+P313, P310, P312, P314, P321, P322, P330, P361, P363, P370+P378, P403+P235, P405, P501
NFPA 704 (fire diamond)	3 2 0
Flash point	86 °C
Explosive limits	1.1%–? (149 °C)
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	242 mg/kg (oral, rat, 1969); 2020 mg/kg (oral, rat, 1944); 828 mg/kg (oral, mouse)
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 5 ppm (22 mg/m3) [skin]
REL (Recommended)	TWA 2.3 ppm (10 mg/m3)
IDLH (Immediate danger)	250 ppm
Safety data sheet (SDS)	External MSDS
Related compounds
Related phenols	o-cresol, p-cresol, phenol
	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

meta-Cresol, also 3-methylphenol, is an organic compound with the formula CH₃C₆H₄(OH). It is a colourless, viscous liquid that is used as an intermediate in the production of other chemicals. It is a derivative of phenol and is an isomer of p-cresol and o-cresol.

Names


IUPAC name 3-methylphenol
Other names 3-Cresol m-Cresol 3-Hydroxytoluene m-Cresylic acid 1-Hydroxy-3-methylbenzene 3-Methylbenzenol
Identifiers
CAS Number	108-39-4^Y
3D model (JSmol)	Interactive image
Beilstein Reference	506719
ChEBI	CHEBI:17231^N
ChEMBL	ChEMBL298312^N
ChemSpider	21105871^N
DrugBank	DB01776^N
ECHA InfoCard	100.003.253
EC Number	203-39-4
Gmelin Reference	101411
KEGG	C01467
PubChem CID	342
RTECS number	GO6125000
UNII	GGO4Y809LO^N
CompTox Dashboard (EPA)	DTXSID6024200
InChI InChI=1S/C7H8O/c1-6-3-2-4-7(8)5-6/h2-5,8H,1H3^N Key: RLSSMJSEOOYNOY-UHFFFAOYSA-N^N InChI=1/C7H8O/c1-6-3-2-4-7(8)5-6/h2-5,8H,1H3 Key: RLSSMJSEOOYNOY-UHFFFAOYAJ
SMILES Cc1cc(O)ccc1
Properties
Chemical formula	C₇H₈O
Molar mass	108.14 g/mol
Appearance	colorless liquid to yellowish liquid
Density	1.034 g/cm³, liquid at 20 °C
Melting point	11 °C (52 °F; 284 K)
Boiling point	202.8 °C (397.0 °F; 475.9 K)
Solubility in water	2.35 g/100 ml at 20 °C 5.8 g/100 ml at 100 °C
Solubility in ethanol	miscible
Solubility in diethyl ether	miscible
Vapor pressure	0.14 mmHg (20 °C)
Magnetic susceptibility (χ)	−72.02×10⁻⁶ cm³/mol
Refractive index (n_D)	1.5398
Viscosity	6.1 cP at 40 °C
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	May cause serious burns. Very destructive of mucous membranes. Harmful if inhaled. Toxic in contact with the skin or if swallowed.
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H227, H301, H311, H314, H351, H370, H372, H373, H401
Precautionary statements	P201, P202, P210, P260, P264, P270, P273, P280, P281, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P307+P311, P308+P313, P310, P312, P314, P321, P322, P330, P361, P363, P370+P378, P403+P235, P405, P501
NFPA 704 (fire diamond)	3 2 0
Flash point	86 °C
Explosive limits	1.1%–? (149 °C)
Lethal dose or concentration (LD, LC):
LD₅₀ (median dose)	242 mg/kg (oral, rat, 1969) 2020 mg/kg (oral, rat, 1944) 828 mg/kg (oral, mouse)
NIOSH (US health exposure limits):
PEL (Permissible)	TWA 5 ppm (22 mg/m³) [skin]
REL (Recommended)	TWA 2.3 ppm (10 mg/m³)
IDLH (Immediate danger)	250 ppm
Safety data sheet (SDS)	External MSDS
Related compounds
Related phenols	o-cresol, p-cresol, phenol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is ^YN ?) Infobox references