Description

4-Chloro-3-Hydroxy-2-Naphthalenecarboxylic Acid is a versatile naphthalene derivative that serves as a critical building block in advanced organic synthesis. Its unique halogenated and hydroxylated structure makes it a valuable intermediate for creating complex molecules with specific functionalities. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting specific biological pathways.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators, leveraging its reactive sites for structural modification.
• Dye and Pigment Manufacturing: Serves as a core intermediate for producing high-performance naphthalene-based dyes, pigments, and optical brighteners.
• Material Science Research: Employed in the creation of organic semiconductors, liquid crystals, and other functional organic materials due to its planar, conjugated structure.
• Chemical Research & Development: A valuable reagent for method development and exploring new synthetic routes in academic and industrial laboratories.

Basic Information

Product Name	4-Chloro-3-Hydroxy-2-Naphthalenecarboxylic Acid
CAS No.	56961-90-1
Molecular Formula	C11H7ClO3
Molecular Weight	222.62 g/mol
Synonyms	4-Chloro-3-hydroxy-2-naphthoic acid; 2-Naphthalenecarboxylic acid, 4-chloro-3-hydroxy-; 3-Hydroxy-4-chloro-2-naphthoic acid; 4-Chloro-3-hydroxynaphthalene-2-carboxylic acid; 2-Carboxy-4-chloro-3-hydroxynaphthalene; 4-Chloro-3-hydroxy-2-naphthalene carboxylic acid; 4-Chloro-3-hydroxy-2-naphthoic acid (primary synonym)
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Hydroxy-2-Naphthalenecarboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request to support your regulatory and quality assurance needs.

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 incompatible materials such as strong bases and oxidizing agents. The product is light-sensitive and should be stored away from direct light exposure.

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.