5a203b16-da96-4188-b00e-21a31b6a66ae 3-Hydroxy-2-naphthoic acid 2-羟基-3-萘甲酸 beta-Hydroxynaphthoic acid; 2-hydroxy-3-naphthoic acid,2-羟基-3-萘甲酸 beta-Hydroxynaphthoic acid; 2-hydroxy-3-naphthoic acid,2-羟基-3-萘甲酸 Materials production Organic chemicals 92-70-6 3-Hydroxy-2-naphthoic acid is an organic compound with the formula C 10 H 6 (OH)(CO 2 H). It is one of the several carboxylic acids derived from 2-naphthol. It is a common precursor to azo dyes and pigments. It is prepared by carboxylation of 2-naphthol via the Kolbe-Schmitt reaction. 3-Hydroxy-2-naphthalenecarboxylic acid is a weak acid with pKa of 2.79(2), indicating that this compound will exist as an anion in the environment, and anions do not volatilize from water or soil surfaces. 3-羟基-2-萘甲酸是一种有机化合物，分子式为 C 10 H 6 (OH)(CO 2 H)。它是由 2-萘酚衍生出的几种羧酸之一。它是偶氮染料和颜料的常见前体。它是通过 Kolbe-Schmitt 反应对 2-萘酚进行羧化而制备的。3-Hydroxy-2-naphthalenecarboxylic acid 是一种弱酸，pKa 为 2.79(2)，表明这种化合物在环境中将以阴离子的形式存在，阴离子不会从水或土壤表面挥发。 C11H8O3 0 Product flow 2024-01-03T16:03:40.651358+08:00 ILCD format 01.00.000 Mass 1.0