Description

4-[(2-Hydroxy-4,5-Dimethylphenyl)Azo]Benzoic Acid is a synthetic azo dye intermediate known for its distinct chromophoric properties. This compound is valued for its role in producing high-performance colorants with specific lightfastness and solubility characteristics. It is primarily required by manufacturers in the dye and pigment industries for creating specialized coloring agents used in inks, coatings, and plastics.

Application

• Primary intermediate in the synthesis of high-performance azo dyes and pigments.
• Key component for manufacturing colorants used in industrial inks and printing applications.
• Used in the production of colorants for plastics and polymer coloration.
• Intermediate for specialty dyes applied in textile and fabric processing.
• Potential use in the formulation of research and analytical reagents.
• Starting material for colorants in coatings and paints.

Basic Information

Product Name	4-[(2-Hydroxy-4,5-Dimethylphenyl)Azo]Benzoic Acid
CAS No.	3810-51-3
Molecular Formula	C15H14N2O3
Molecular Weight	270.29 g/mol
Synonyms	Benzoic acid, 4-[(2-hydroxy-4,5-dimethylphenyl)azo]-; 4-[(2-Hydroxy-4,5-dimethylphenyl)diazenyl]benzoic acid; C.I. 15865; 2-Hydroxy-4,5-dimethylazobenzene-4'-carboxylic acid; 4-(2-Hydroxy-4,5-dimethylphenylazo)benzoic acid; Azobenzene-4-carboxylic acid, 2'-hydroxy-4',5'-dimethyl-; Light-sensitive azo dye intermediate
EINECS	223-289-4

Quality Control

Our production of 4-[(2-Hydroxy-4,5-Dimethylphenyl)Azo]Benzoic Acid adheres to stringent quality protocols to ensure batch-to-batch consistency and purity. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, impurity profile, and physical specifications. Our quality management system is designed to meet the rigorous demands of industrial chemical synthesis.

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. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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