2-Hydroxy-1-naphthoic acid, CAS No. 2283-08-1

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2283-08-1

Catalog No. EBD5210

CAS 2283-08-1

Name 2-Hydroxy-1-naphthoic acid

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Basic Information

Synonyms: rarechemalbe0092 1-naphthalenecarboxylicacid,2-hydroxy- 1-naphthoicacid,2-hydroxy- 2-hydroxy-1-naphthalenecarboxylicaci akos223-44 2-naphthol-1-carboxylicacid labotest-bblt00452644 2-Hydroxy-1-naphthoicacid AI3-19839 NSC2803 1-Naphthoicacid,2-hydroxy-(8CI) 2-hydroxynaphthalene-1-carboxylicacid

Molecular Formula: C11H8O3

Molecular Weight: 188.18

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > Dye Precursors Synthetic Chemistry > Organic Building Blocks > Phenols and Ethers

Product Description:

2-Hydroxy-1-naphthoic acid is an aromatic compound featuring both a carboxylic acid and a phenolic hydroxyl group on a naphthalene ring. This bifunctional structure makes it a versatile building block in organic synthesis, particularly for the preparation of chelating agents, dyes, and pigments. Its primary industrial application is as a key intermediate in the synthesis of azo dyes and pigments. The compound can undergo diazotization and coupling reactions to produce vivid colorants. More specifically, it serves as a crucial precursor for manufacturing important dyes like Mordant Brown 33. Additionally, its ability to form metal complexes is exploited in the production of certain mordant dyes and in analytical chemistry as a complexometric indicator for metal ions such as thorium and zirconium. Beyond its role in color chemistry, 2-hydroxy-1-naphthoic acid finds use in materials science, particularly as a monomer or intermediate for functional organic materials, including some liquid crystalline compounds and organic semiconductors, due to its rigid, planar conjugated structure.

Physical Properties

Melting Point: 167 °C (dec.)(lit.)

Boiling Point: 403.6°Cat760mmHg

Flash Point: 212.1°C

Density: 1.399g/cm3