m-Toluic acid

m-Toluic acid[1]
Skeletal formula of m-toluic acid	Ball-and-stick model of the m-toluic acid molecule
Names
	Preferred IUPAC name 3-Methylbenzoic acid
	Other names meta-Toluic acid; m-Methylbenzoic acid; meta-Methylbenzoic acid
Identifiers
CAS Number	99-04-7 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:10589 ;
ChemSpider	7140 ;
ECHA InfoCard	100.002.476
EC Number	247-107-0;
KEGG	C07211 ;
PubChem CID	7418;
UNII	1UA7K8EEXT ;
CompTox Dashboard (EPA)	DTXSID1021617 ;
	InChI InChI=1S/C8H8O2/c1-6-3-2-4-7(5-6)8(9)10/h2-5H,1H3,(H,9,10) Key: GPSDUZXPYCFOSQ-UHFFFAOYSA-N ;
	SMILES CC1=CC=CC(=C1)C(=O)O;
Properties
Chemical formula	C8H8O2
Molar mass	136.15 g/mol
Density	1.05 g/cm3, solid
Melting point	111 to 113 °C (232 to 235 °F; 384 to 386 K)
Boiling point	263 °C (505 °F; 536 K)
Acidity (pKa)	4.27 (in water)[2]
Hazards
Safety data sheet	External MSDS
Related compounds
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

m-Toluic acid, (IUPAC: 3-methylbenzoic acid), is an aromatic carboxylic acid, with formula (CH₃)C₆H₄(COOH). It is an isomer of p-toluic acid and o-toluic acid.

It serves, among other purposes, as a precursor to DEET (N,N-diethyl-m-toluamide), the well-known insect repellent:[3][4]

References

M-TOLUIC ACID - Compound Summary, PubChem.
"Dissociation Constants Of Organic Acids And Bases". Retrieved 11 April 2010.
Wang, Benjamin J-S. (1974). "An interesting and successful organic experiment (CEC)". J. Chem. Educ. 51 (10): 631. doi:10.1021/ed051p631.2.
Donald L. Pavia (2004). Introduction to organic laboratory techniques (Google Books excerpt). Cengage Learning. pp. 370–376. ISBN 978-0-534-40833-6.

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