Description

n-(4-Chloro-2,5-Dimethoxyphenyl)-2-[(4-Chloro-o-Tolyl)Azo]-3-Oxobutyramide CAS NO 2904-04-3 is a specialized azo-based organic compound characterized by its distinct molecular structure. This chemical is valued for its role as a key intermediate in the synthesis of complex dyes, pigments, and other functional materials. It is primarily sought by manufacturers in the colorant and specialty chemical industries for research and production purposes.

Application

• Primary intermediate in the synthesis of high-performance azo dyes and pigments.
• Key building block for research and development of novel functional colorants for textiles and plastics.
• Used in the production of specialty chemicals for analytical reagents and research chemicals.
• Potential precursor in the development of photoactive materials and light-sensitive compounds.
• Employed in academic and industrial R&D for exploring new organic synthetic pathways.

Basic Information

Product Name	n-(4-Chloro-2,5-Dimethoxyphenyl)-2-[(4-Chloro-o-Tolyl)Azo]-3-Oxobutyramide
CAS No.	2904-04-3
Molecular Formula	C19H18Cl2N4O4
Molecular Weight	437.28 g/mol
Synonyms	4-Chloro-2,5-dimethoxy-N-[2-[(2-chloro-4-methylphenyl)azo]-3-oxobutanoyl]aniline; 2-[(4-Chloro-2-methylphenyl)azo]-3-oxo-N-(4-chloro-2,5-dimethoxyphenyl)butyramide; C.I. Disperse Yellow 119; Disperse Yellow 119; 2904-04-3; Butyramide, N-(4-chloro-2,5-dimethoxyphenyl)-2-[(4-chloro-2-methylphenyl)azo]-3-oxo-; N-(4-Chloro-2,5-dimethoxyphenyl)-2-[(4-chloro-2-methylphenyl)azo]-3-oxobutyramide
EINECS	220-828-5

Quality Control

Our n-(4-Chloro-2,5-Dimethoxyphenyl)-2-[(4-Chloro-o-Tolyl)Azo]-3-Oxobutyramide is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for purity, related substances, and other critical parameters are available upon request to support your quality assurance protocols.

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.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%

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