Description

4-[[2-Chloro-5-(Trifluoromethyl)Phenyl]Azo]-3-Hydroxy-2-Naphthoic Acid CAS NO 52238-94-5 is an advanced azo dye intermediate characterized by its specific halogenated and trifluoromethyl-substituted aromatic structure. This compound is valued for its ability to impart high-performance coloristic properties and enhanced chemical stability in demanding applications. It is primarily sought after by manufacturers in the pigments, dyes, and specialty chemical sectors for synthesizing high-value, complex colorants.

Application

• Primary Intermediate for High-Performance Pigments: Synthesis of azo pigments with excellent lightfastness, weather resistance, and thermal stability.
• Specialty Dye Manufacturing: Production of dyes for plastics, coatings, and inks requiring specific color shades and durability.
• Functional Colorants: Development of pigments for automotive paints, industrial coatings, and outdoor applications.
• Research & Development: Serving as a key building block in organic synthesis for novel chromophores and material science research.
• Fine Chemical Synthesis: Used in the preparation of more complex chemical entities in pharmaceutical and agrochemical research.

Basic Information

Product Name	4-[[2-Chloro-5-(Trifluoromethyl)Phenyl]Azo]-3-Hydroxy-2-Naphthoic Acid
CAS No.	52238-94-5
Molecular Formula	C₁₈H₁₀ClF₃N₂O₃
Molecular Weight	394.73 g/mol
Synonyms	3-Hydroxy-4-[(2-chloro-5-(trifluoromethyl)phenyl)azo]-2-naphthoic acid; C.I. Pigment Red 242; 2-Naphthalenecarboxylic acid, 4-[(2-chloro-5-(trifluoromethyl)phenyl)azo]-3-hydroxy-; 4-[(2-Chloro-α,α,α-trifluoro-p-tolyl)azo]-3-hydroxy-2-naphthoic acid; PR 242; Pigment Red 242; Azo dye intermediate 52238-94-5
EINECS	Contact for details

Quality Control

Our production of 4-[[2-Chloro-5-(Trifluoromethyl)Phenyl]Azo]-3-Hydroxy-2-Naphthoic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure consistent performance and batch-to-batch reliability. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

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 incompatible materials such as strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Red to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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