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Sodium Bis[3-[[5-[(2-Chloro-4-Nitrophenyl)Azo]-2-Hydroxybenzylidene]Amino]-4-Hydroxybenzenesulphonamidato(2-)]Chromate(1-) CAS NO 83249-67-6


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CAS No.:83249-67-6

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Sodium Bis[3-[[5-[(2-Chloro-4-Nitrophenyl)Azo]-2-Hydroxybenzylidene]Amino]-4-Hydroxybenzenesulphonamidato(2-)]Chromate(1-) is a high-purity, complex chromium azo dye intermediate essential for producing specialized pigments and colorants. Its precise molecular structure is critical for achieving superior color fastness, thermal stability, and chemical resistance in demanding applications. This compound is primarily required by manufacturers in the pigments, advanced coatings, and specialty polymers industries seeking to enhance product performance.

Application

  • Primary intermediate for the synthesis of high-performance azo pigments and complex dyes.
  • Key component in manufacturing specialty colorants for automotive and industrial coatings requiring exceptional durability.
  • Used in the production of heat-resistant pigments for engineering plastics and high-temperature polymers.
  • Employed in research and development of novel optical materials and functional dyes.
  • Potential use in the formulation of specialized inks for security printing or digital applications.
  • Serves as a chromium complexing agent in certain catalytic and analytical chemistry processes.

Basic Information

Product Name Sodium Bis[3-[[5-[(2-Chloro-4-Nitrophenyl)Azo]-2-Hydroxybenzylidene]Amino]-4-Hydroxybenzenesulphonamidato(2-)]Chromate(1-)
CAS No. 83249-67-6
Molecular Formula Contact for details
Molecular Weight Contact for details
Synonyms Sodium Chromate Complex of Azo Dye Intermediate; C.I. Pigment Complex; Chromium Azo Dye Salt; 2-Chloro-4-nitrobenzeneazo chromium complex; Sodium (2-chloro-4-nitrophenyl)azo chromium complex; Azo chromium lake intermediate; Sodium bis(salicylaldehyde azine sulfonate)chromate(III) derivative
EINECS Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Every lot is analyzed against stringent in-house specifications, which typically include identity confirmation, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your technical requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item Specification
Appearance Dark colored powder or solid
Identification (IR) Conforms to structure
Assay (HPLC) Min. 95%
Loss on Drying Max. 2.0%
Heavy Metals (as Pb) Max. 20 ppm
Residual Solvents Meets ICH guidelines

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

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