2-Nitrobenzoic acid

2-Nitrobenzoic acid
Names
	Preferred IUPAC name 2-Nitrobenzoic acid
	Other names o-Nitrobenzoic acid
Identifiers
CAS Number	552-16-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	10616 ;
ECHA InfoCard	100.008.187
EC Number	209-004-9;
PubChem CID	11087;
UNII	S6S4653K7Z ;
CompTox Dashboard (EPA)	DTXSID5025738 ;
	InChI InChI=1S/C7H5NO4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10) Key: SLAMLWHELXOEJZ-UHFFFAOYSA-N;
	SMILES O=[N+]([O-])c1c(C(=O)O)cccc1;
Properties
Chemical formula	C7H5NO4
Molar mass	167.12 g/mol
Density	1.468
Melting point	147.5 °C (297.5 °F; 420.6 K)
Acidity (pKa)	2.16
Magnetic susceptibility (χ)	-76.11·10−6 cm3/mol
Related compounds
Related compounds	Benzoic acid; Nitrobenzene; Anthranilic acid; 3,5-Dinitrobenzoic acid; 3-Nitrobenzoic acid; 4-Nitrobenzoic acid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2-Nitrobenzoic acid or o-nitrobenzoic acid is an organic compound with the formula C₆H₄(NO₂)CO₂H. It is prepared by oxidation of 2-nitrotoluene with nitric acid.^[1] In consists of a carboxylic acid group and a nitro group in the ortho configuration. Reduction of the nitro group into an amine produces anthranilic acid.

References

^ Takao Maki, Kazuo Takeda "Benzoic Acid and Derivatives" in Ullmann's Encyclopedia of Industrial Chemistry 2002, Wiley-VCH, Weinheim. doi:10.1002/14356007.a03_555.

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