5-Methylsalicylic acid

5-Methylsalicylic acid
Names
	Preferred IUPAC name 2-Hydroxy-5-methylbenzoic acid
	Other names 2,5-Cresotic acid; p-Cresotic acid; p-Cresotinic acid; 2-Hydroxy-m-toluic acid
Identifiers
CAS Number	89-56-5;
3D model (JSmol)	Interactive image;
ChEMBL	ChEMBL1161012;
ChemSpider	6707;
ECHA InfoCard	100.001.744
EC Number	201-918-6;
PubChem CID	6973;
UNII	6GAI2MTV5V;
CompTox Dashboard (EPA)	DTXSID20237472 ;
	InChI InChI=1S/C8H8O3/c1-5-2-3-7(9)6(4-5)8(10)11/h2-4,9H,1H3,(H,10,11) Key: DLGBEGBHXSAQOC-UHFFFAOYSA-N;
	SMILES CC1=CC(=C(C=C1)O)C(=O)O;
Properties
Chemical formula	C8H8O3
Molar mass	152.149 g·mol−1
Appearance	white solid
Density	1.31 g/cm3
Melting point	151 °C (304 °F; 424 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H315, H319, H335
Precautionary statements	P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

5-Methylsalicylic acid is an organic compound with the formula CH₃C₆H₃(CO₂H)(OH). It is a white solid that is soluble in basic water and in polar organic solvents. At neutral pH, the acid exists as 5-methylsalicylate Its functional groups include a carboxylic acid and a phenol group. It is one of four isomers of methylsalicylic acid.

It can be prepared by hydroxylation of 3-methylbenzoic acid.^[1]

References

^ Zhang, Yang-Hui; Yu, Jin-Quan (2009). "Pd(II)-catalyzed hydroxylation of arenes with 1 atm of O₂ or air". Journal of the American Chemical Society. 131 (41): 14654–14655. doi:10.1021/ja907198n. PMID 19788192.

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[1] Zhang, Yang-Hui; Yu, Jin-Quan (2009). "Pd(II)-catalyzed hydroxylation of arenes with 1 atm of O₂ or air". Journal of the American Chemical Society. 131 (41): 14654–14655. doi:10.1021/ja907198n. PMID 19788192.

[1]

See also

References