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 pKa 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.

2-Naphthoic acid
Names
Preferred IUPAC name
Naphthalene-2-carboxylic acid
Other names
2-Naphthalenecarboxylic acid
Identifiers
3D model (JSmol)
972039
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.002.017 Edit this at Wikidata
EC Number
  • 202-217-8
185326
KEGG
UNII
  • 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
  • C1=CC=C2C=C(C=CC2=C1)C(=O)O
Properties
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:
GHS07: Exclamation mark
Warning
H315, H319, H335
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).

See also

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References

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  1. ^ 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.