Description

5-Hydroxy-1-Naphthoic Acid is a versatile naphthalene derivative that serves as a key organic intermediate and building block in advanced chemical synthesis. Its bifunctional structure, featuring both a carboxylic acid and a phenolic hydroxyl group, makes it valuable for creating complex molecules with tailored properties. This compound is primarily utilized by the pharmaceutical, agrochemical, and specialty chemical industries for research, development, and manufacturing processes.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with naphthalene-based structures.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a precursor for the synthesis of azo dyes, pigments, and other colorants.
• Ligand and Chelating Agent: The hydroxyl and carboxyl groups allow it to act as a ligand for metal ions in catalytic systems and analytical chemistry.
• Polymer Chemistry: Employed as a monomer or modifier in the production of specialty polymers, resins, and liquid crystals.
• Research & Development: A valuable reagent in organic chemistry research for constructing complex polycyclic structures.

Basic Information

Product Name	5-Hydroxy-1-Naphthoic Acid
CAS No.	2437-16-3
Molecular Formula	C11H8O3
Molecular Weight	188.18 g/mol
Synonyms	1-Naphthoic acid, 5-hydroxy-; 5-Hydroxynaphthalene-1-carboxylic acid; 1-Carboxy-5-hydroxynaphthalene; 5-Hydroxy-1-naphthalenecarboxylic acid; 5-Hydroxynaphthoic acid; NSC 403697; 5-HNA
EINECS	219-430-9

Quality Control

Our 5-Hydroxy-1-Naphthoic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and melting point determination, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in a dark place.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	220 - 225 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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