6-Hydroxy-2-naphthoic acid, CAS No. 16712-64-4

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16712-64-4

Catalog No. EBD563779

CAS 16712-64-4

Name 6-Hydroxy-2-naphthoic acid

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Basic Information

Synonyms: 6-Hydroxy-2-naphthoicacid 6-Hydroxy-2-naphtoicacid,99% 2,6-acid 6-hydroxynaphthalene-2-carboxylicacid 6-hydroxynaphthalene-2-carboxylate 6-hydroxy-2-naphthalenecarboxylicacid 6-carboxy-2-naphthol 6-hydroxy-2-napthoicacid 2-hydroxy-6-naphthoicacid 6-hydroxy-b-naphthoicacid 2-naphthoicacid,6-hydroxy-(7ci,8ci) 2-hydroxynaphthalene-6-carboxylicacid 6-hydroxynaphthylene-2-carboxylicacid

Molecular Formula: C11H8O3

Molecular Weight: 188.18

MDL Number: MFCD00060070

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > Liquid Crystal and Optically Active Small Molecule Precursors Synthetic Chemistry > Organic Building Blocks > Carboxylic Acids and Esters

Product Description:

2-Hydroxy-6-naphthoic acid is an aromatic hydroxycarboxylic acid featuring a naphthalene ring system. It serves as a key monomer and intermediate in the synthesis of high-performance liquid crystalline polymers (LCPs), particularly thermotropic aromatic polyesters. Its molecular structure, with the carboxylic acid and phenolic hydroxyl groups in a specific meta-like orientation, is crucial for promoting the formation of rigid, linear polymer chains. The primary industrial application of 2-hydroxy-6-naphthoic acid is in the production of Vectra®-type LCPs, where it is copolymerized with monomers like 4-hydroxybenzoic acid. These polymers exhibit exceptional mechanical strength, thermal stability, chemical resistance, and low melt viscosity, making them ideal for precision injection molding of miniaturized electronic components (e.g., connectors, sockets), automotive parts, and high-barrier packaging materials. Its role is fundamental as a mesogenic unit that dictates the liquid crystalline properties of the final material. Beyond its major use in LCPs, this compound is also a valuable synthetic building block in organic chemistry for constructing more complex naphthalene-based structures. It finds use in research related to dyes, pigments, and other functional materials where a naphthoic acid scaffold is required.

Physical Properties

Melting Point: 240-250 °C(lit.)

Boiling Point: 407 °C at 760 mmHg

Flash Point: 214.1 °C

Density: 1.399 g/cm3

Analytical Data

Appearance: pale brown powder