Description

4,4'-[Ethylenebis[Iminosulphonyl(6-Methoxy-m-Phenylene)Azo]]Bis[5'-Chloro-3-Hydroxy-2',4'-Dimethoxynaphth-2-Anilide] is a complex, high-purity azo-based chemical intermediate with significant utility in advanced material synthesis. Its precise molecular architecture makes it a valuable precursor for creating specialized dyes, pigments, and functional polymers where color fastness and specific chromophoric properties are critical. This compound is primarily sought by R&D and production teams in the specialty chemicals, advanced material science, and high-performance pigment manufacturing sectors.

Application

• Specialty Dye & Pigment Synthesis: A key intermediate for producing high-value, complex azo dyes and organic pigments with enhanced stability and color properties.
• Functional Polymer Development: Used in the research and production of polymers with specific light-absorption or chromogenic characteristics for optical applications.
• Advanced Material Research: Serves as a building block in material science for creating novel compounds with tailored molecular structures.
• Chemical Intermediate for Fine Chemicals: Employed in multi-step synthetic routes to manufacture other sophisticated fine chemical products.
• Laboratory Reagent: Used as a high-purity standard or reagent in analytical chemistry and research laboratories.

Basic Information

Product Name	4,4'-[Ethylenebis[Iminosulphonyl(6-Methoxy-m-Phenylene)Azo]]Bis[5'-Chloro-3-Hydroxy-2',4'-Dimethoxynaphth-2-Anilide]
CAS No.	4627-26-3
Molecular Formula	C58H48Cl2N8O14S2
Molecular Weight	1180.06 g/mol
Synonyms	4627-26-3; C.I. 51319; C.I. Pigment Red 187; Pigment Red 187; PR 187; 4,4'-[1,2-Ethanediylbis[imino(6-methoxy-3,1-phenylene)azo]]bis[5'-chloro-3-hydroxy-2',4'-dimethoxy-2-naphthanilide]; 4,4'-[Ethylenebis[iminosulphonyl(6-methoxy-m-phenylene)azo]]bis[5'-chloro-3-hydroxy-2',4'-dimethoxynaphth-2-anilide]; C.I. 51319:1
EINECS	Contact for details

Quality Control

Our production of 4,4'-[Ethylenebis[Iminosulphonyl(6-Methoxy-m-Phenylene)Azo]]Bis[5'-Chloro-3-Hydroxy-2',4'-Dimethoxynaphth-2-Anilide] adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications, including identity confirmation, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Reddish-brown to violet powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (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.