Description

4-[[4-[(4-Hydroxy-3-Methylphenyl)Azo]Phenyl]Azo]-m-Cresol is a high-purity azo dye intermediate known for its vibrant color properties and chemical stability. This compound is essential for manufacturers requiring precise and consistent chromophores to produce high-performance pigments and dyes. It is primarily utilized by the specialty chemical, textile, and advanced materials industries for applications demanding reliable colorant synthesis.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of high-performance orange, red, and brown azo colorants.
• Textile Dyeing and Printing: Used in the production of dyes for coloring natural and synthetic fibers, offering good fastness properties.
• Specialty Inks and Toners: Incorporated into formulations for industrial inks, including those for packaging and security printing.
• Plastics and Polymer Coloring: Acts as a colorant precursor for masterbatches used in coloring various plastic and rubber products.
• Research & Development: Employed in chemical research for developing novel chromophores and studying azo coupling reactions.
• Analytical Reagents: Can be used as a standard or reagent in analytical chemistry for method development and calibration.

Basic Information

Product Name	4-[[4-[(4-Hydroxy-3-Methylphenyl)Azo]Phenyl]Azo]-m-Cresol
CAS No.	30828-87-6
Molecular Formula	C20H18N4O2
Molecular Weight	346.39 g/mol
Synonyms	4-[(4-[(4-Hydroxy-3-methylphenyl)azo]phenyl)azo]-3-methylphenol; m-Cresol, 4-[[4-[(4-hydroxy-3-methylphenyl)azo]phenyl]azo]-; C.I. Disperse Orange 25 (related); Azo Dye Intermediate Orange 25; 3-Methyl-4-[[4-[(4-hydroxy-3-methylphenyl)azo]phenyl]azo]phenol; Bisazo dye intermediate; 4,4'-Bis(azo)-3,3'-dimethyl-1,1'-biphenyl-4,4'-diol (simplified representation); Contact for details on trade names.
EINECS	Contact for details

Quality Control

Our production of 4-[[4-[(4-Hydroxy-3-Methylphenyl)Azo]Phenyl]Azo]-m-Cresol adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials undergo rigorous analytical testing, including HPLC for assay and impurity profiling. Certificates of Analysis (COA) detailing identity, purity, and specific properties are available for every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystalline solid
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.