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.

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.

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