3-hydroxy-2-naphthoic acid

Structural formula
General
Surname	3-hydroxy-2-naphthoic acid
other names	3-hydroxynaphthalene-2-carboxylic acid; beta-hydroxynaphthoic acid;
Molecular formula	C 11 H 8 O 3
Brief description	yellow solid
External identifiers / databases
EC number	202-180-8
ECHA InfoCard	100.001.983
PubChem	7104
ChemSpider	6837
Wikidata	Q27149406
properties
Molar mass	188.18 g mol −1
Physical state	firmly
density	1.43 g cm −3
Melting point	217 ° C
solubility	practically insoluble in water; soluble in ethanol , diethyl ether , chloroform and toluene ;
safety instructions
H and P phrases	H: 302-318
	P: 280-305 + 351 + 338-313
Toxicological data	832 mg kg −1 ( LD 50 , rat , oral )
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

3-Hydroxy-2-naphthoic acid is a chemical compound from the group of substituted carboxylic acids and naphthols .

Extraction and presentation

3-Hydroxy-2-naphthoic acid can be obtained by reacting carbon dioxide with the sodium salt of beta-naphthol under pressure.

properties

3-Hydroxy-2-naphthoic acid is a flammable, difficult to ignite, crystalline yellow solid that is practically insoluble in water.

use

3-Hydroxy-2-naphthoic acid is used as an intermediate in the production of dyes and pigments , which can also be used for pharmaceutical applications.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Entry on 3-hydroxy-2-naphthoic acid in the GESTIS substance database of the IFA , accessed on March 6, 2019(JavaScript required) .
↑ David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 324 ( limited preview in Google Book search).
↑ Entry on 3-hydroxy-2-naphthoic acid in the Hazardous Substances Data Bank , accessed on March 6, 2019.
↑ OECD : Screening Information Dataset (SIDS) Initial Assessment Report (SIAR) for 2-Hydroxy-3-napthoic acid , accessed on March 6, 2019.

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Entry on 3-hydroxy-2-naphthoic acid in the GESTIS substance database of the IFA , accessed on March 6, 2019(JavaScript required) .

[David_R._Lide-2] David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 324 ( limited preview in Google Book search).

[HSDB-3] Entry on 3-hydroxy-2-naphthoic acid in the Hazardous Substances Data Bank , accessed on March 6, 2019.

[SIDS-4] OECD : Screening Information Dataset (SIDS) Initial Assessment Report (SIAR) for 2-Hydroxy-3-napthoic acid , accessed on March 6, 2019.