2-Naphthoic acid

2-Naphthoic acid
Names
	Preferred IUPAC name Naphthalene-2-carboxylic acid
	Other names 2-Naphthalenecarboxylic acid
Identifiers
CAS Number	93-09-4;
3D model (JSmol)	Interactive image;
Beilstein Reference	972039
ChEBI	CHEBI:36106;
ChEMBL	ChEMBL114648;
ChemSpider	6856;
ECHA InfoCard	100.002.017
EC Number	202-217-8;
Gmelin Reference	185326
KEGG	C14101;
PubChem CID	7123;
UNII	QLG01V0W2L;
CompTox Dashboard (EPA)	DTXSID1059078 ;
	InChI InChI=1S/C11H8O2/c12-11(13)10-6-5-8-3-1-2-4-9(8)7-10/h1-7H,(H,12,13) Key: UOBYKYZJUGYBDK-UHFFFAOYSA-N;
	SMILES C1=CC=C2C=C(C=CC2=C1)C(=O)O;
Properties
Chemical formula	C11H8O2
Molar mass	172.183 g·mol−1
Appearance	white solid
Melting point	185.5 °C (365.9 °F; 458.6 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P271, P280, P302 P352, P304 P340, P305 P351 P338, P312, P321, 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

2-Naphthoic acid is an organic compound of the formula C₁₀H₇CO₂H. It is one of two isomeric carboxylic acid derivatives of naphthalene, the other one being 1-naphthoic acid. It can be prepared by carboxylation of 1-chloronaphthalene. ^[1] Its pK_a is 4.2. The name of carboxylate anion, the conjugate base of the acid, is 2-naphthoate; the name of the related acyl group is 2-naphthoyl.

References

^ Fujihara, Tetsuaki; Nogi, Keisuke; Xu, Tinghua; Terao, Jun; Tsuji, Yasushi (2012). "Nickel-Catalyzed Carboxylation of Aryl and Vinyl Chlorides Employing Carbon Dioxide". Journal of the American Chemical Society. 134 (22): 9106–9109. doi:10.1021/ja303514b. PMID 22612592.