Description

3-Hydroxynaphthalene-1-Carboxylic Acid is a versatile naphthalene derivative that serves as a key synthetic intermediate in the production of complex organic molecules. Its bifunctional structure, featuring both a phenolic hydroxyl and a carboxylic acid group, makes it a valuable building block for coupling reactions and the synthesis of dyes, pigments, and pharmaceutical agents. This compound is essential for manufacturers and R&D laboratories in the fine chemical, agrochemical, and specialty materials sectors seeking to develop new products with specific functional properties.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of azo dyes, lake pigments, and other colorants for textiles, inks, and plastics.
• Pharmaceutical Synthesis: Used as a building block in the research and development of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Agrochemical Manufacturing: Serves as an intermediate in the production of certain herbicides, fungicides, and plant growth regulators.
• Organic Synthesis & Research: Employed in academic and industrial laboratories for constructing complex polycyclic structures and functional materials.
• Polymer Additives: Can be utilized to modify polymers, imparting specific properties such as UV absorption or enhanced adhesion.
• Chemical Sensor Development: Its structure is of interest in the design of fluorescent probes and chemosensors for metal ion detection.

Basic Information

Product Name	3-Hydroxynaphthalene-1-Carboxylic Acid
CAS No.	19700-42-6
Molecular Formula	C11H8O3
Molecular Weight	188.18 g/mol
Synonyms	1-Hydroxy-2-naphthoic Acid; 3-Hydroxy-1-naphthoic Acid; 1-Carboxy-3-hydroxynaphthalene; 2-Naphthol-1-carboxylic Acid; 3-Hydroxynaphthalene-1-carboxylic acid; 1-Hydroxy-2-naphthalenecarboxylic Acid; 3-Hydroxy-1-naphthalenecarboxylic Acid; NSC 403697
EINECS	243-261-7

Quality Control

Our 3-Hydroxynaphthalene-1-Carboxylic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards and consistent specifications for critical parameters such as assay, identity, and impurity profiles. Certificates of Analysis (COA) detailing all test results are provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.