Description

4-(2,4-Xylylazo)-2,5-Xylidine is a specialized azo dye intermediate with the CAS registry number 136-21-0. This compound is valued for its role as a key precursor in the synthesis of high-performance pigments and dyes, offering excellent color properties and stability. It is primarily required by manufacturers in the pigments, inks, plastics, and specialty chemical industries for producing vibrant and durable colorants.

Application

• Primary intermediate for the synthesis of azo pigments and dyes.
• Used in the coloration of plastics and synthetic resins.
• Key component in manufacturing printing inks for packaging and publications.
• Employed in the production of industrial coatings and paints.
• Potential use in the synthesis of liquid crystal dyes for display technologies.
• Research and development of novel organic colorants in academic and industrial labs.

Basic Information

Product Name	4-(2,4-Xylylazo)-2,5-Xylidine
CAS No.	136-21-0
Molecular Formula	C16H19N3
Molecular Weight	253.35 g/mol
Synonyms	4-[(2,4-Dimethylphenyl)azo]-2,5-dimethylaniline; C.I. 11160; 2,5-Dimethyl-4-[(2,4-dimethylphenyl)azo]aniline; 4-(2,4-Dimethylphenylazo)-2,5-dimethylaniline; Azoic Diazo Component 32; Fast Scarlet G Base; 2,5-Xylidine, 4-(2,4-xylylazo)-
EINECS	205-235-8

Quality Control

Our production of 4-(2,4-Xylylazo)-2,5-Xylidine adheres to stringent quality control protocols to ensure batch-to-batch consistency and high purity. The material is characterized using advanced analytical techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with 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 room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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