Description

2-Hydroxy-1-Naphthoic Acid is a versatile organic compound belonging to the class of naphthoic acids, serving as a key intermediate in the synthesis of more complex molecules. Its value lies in its bifunctional structure, featuring both a carboxylic acid and a phenolic hydroxyl group, which makes it a valuable building block for dyes, pigments, and pharmaceutical agents. This product is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking a reliable and high-purity synthetic precursor.

Application

• Pharmaceutical Intermediate: A crucial starting material or intermediate in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Dye and Pigment Manufacturing: Used in the production of azo dyes, lake pigments, and other colorants for textiles, inks, and plastics.
• Agrochemical Synthesis: Serves as a key building block for developing herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: Employed in organic synthesis laboratories for creating novel compounds and conducting structure-activity relationship (SAR) studies.
• Metal Chelation Agent: Acts as a ligand for metal ions, useful in analytical chemistry and catalysis.
• UV Stabilizer and Antioxidant Precursor: Its structure is utilized in developing additives for polymers and coatings to enhance durability.

Basic Information

Product Name	2-Hydroxy-1-Naphthoic Acid
CAS No.	2283-08-1
Molecular Formula	C11H8O3
Molecular Weight	188.18 g/mol
Synonyms	1-Hydroxy-2-naphthoic Acid; 2-Naphthol-1-carboxylic Acid; 1,2-Naphthoic Acid; 2-Hydroxynaphthalene-1-carboxylic Acid; 1-Carboxy-2-naphthol; NSC 403697; BON Acid (β-Oxy-Naphthoic Acid)
EINECS	218-915-5

Quality Control

Our 2-Hydroxy-1-Naphthoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation to maintain optimal quality.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	191°C - 195°C
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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