Description

3,3'-Dichloro-4,4'-Bis[3-Hydroxy-2-(4-Sulfoanilino)-2-Butenoylazo]Biphenyl is a high-purity, complex azo dye intermediate of significant industrial importance. This compound is valued for its ability to impart specific color properties and functional characteristics in advanced material synthesis. It is primarily sought by manufacturers in the specialty chemicals sector for the production of high-performance dyes and pigments. Its precise molecular structure enables critical performance in demanding applications where color fastness and chemical stability are paramount.

Application

• Primary intermediate for the synthesis of high-grade, metal-complex azo dyes and pigments.
• Key component in the manufacturing of dyes for specialty inks, including those for security printing and high-resolution digital applications.
• Used in the production of colorants for advanced polymeric materials and engineering plastics.
• Potential precursor for functional dyes used in optical data storage and non-linear optical materials.
• Research and development of novel chromophores for analytical chemistry and sensor technology.
• Specialized applications in the coloration of high-performance fibers and technical textiles.

Basic Information

Product Name	3,3'-Dichloro-4,4'-Bis[3-Hydroxy-2-(4-Sulfoanilino)-2-Butenoylazo]Biphenyl
CAS No.	109663-65-2
Molecular Formula	C38H28Cl2N6O10S2
Molecular Weight	863.69 g/mol
Synonyms	3,3'-Dichloro-4,4'-bis[3-hydroxy-2-(4-sulfoanilino)-2-butenoylazo]biphenyl; C.I. Azoic Diazo Component; Azoic Diazo Component 109663-65-2; Bis-azo biphenyl derivative; Sulfonated azo dye intermediate; Light-sensitive azo compound; 4,4'-Bis(3-hydroxy-2-(4-sulfophenylamino)crotonoylazo)-3,3'-dichlorobiphenyl
EINECS	Contact for details

Quality Control

Our production of 3,3'-Dichloro-4,4'-Bis[3-Hydroxy-2-(4-Sulfoanilino)-2-Butenoylazo]Biphenyl adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. The material undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation. A Certificate of Analysis (COA) detailing all critical specifications is provided with each shipment to support your quality assurance and regulatory compliance needs.

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, containers should be kept in the original packaging or opaque containers until use.

Specification

Item	Specification
Appearance	Dark colored powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
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.