Description

Chromate(3-), Bis[3-[(5-Chloro-2-Hydroxyphenyl) Azo]-4-Hydroxy-6-[(1-Oxo-2-Propenyl)Amino ]-2-Naphthalenesulfonato(3-)]-, Trisodium is a high-purity, complex chromium azo dye intermediate designed for advanced industrial synthesis. This compound is valued for its precise molecular structure, which serves as a critical building block for creating specialized pigments and functional dyes. It is essential for manufacturers in the colorant, specialty chemical, and advanced materials sectors seeking consistent quality for high-performance applications.

Application

• Precursor for High-Performance Pigments: Key intermediate in the synthesis of complex azo pigments, particularly those requiring specific lightfastness and thermal stability properties.
• Specialty Dye Manufacturing: Used in the production of specialized dyes for technical textiles, automotive coatings, and industrial inks.
• Functional Colorants: Serves as a starting material for dyes with specific functional properties, such as those used in optical data storage or sensor technologies.
• Research & Development: Employed in chemical R&D for developing new chromogenic compounds and studying structure-property relationships in coordination chemistry.
• Catalyst and Reagent Synthesis: Potential use as a ligand or intermediate in the preparation of metal-organic complexes and catalysts.

Basic Information

Product Name	Chromate(3-), Bis[3-[(5-Chloro-2-Hydroxyphenyl) Azo]-4-Hydroxy-6-[(1-Oxo-2-Propenyl)Amino ]-2-Naphthalenesulfonato(3-)]-, Trisodium
CAS No.	132435-14-4
Molecular Formula	C38H22Cl2CrN6Na3O14S2
Molecular Weight	1083.71 g/mol (approx.)
Synonyms	Trisodium bis[3-[(5-chloro-2-hydroxyphenyl)azo]-4-hydroxy-6-[(1-oxo-2-propenyl)amino]-2-naphthalenesulfonato(3-)]chromate(3-); Chromium complex dye intermediate; Azo-chromium complex; CI Mordant Black; Trisodium Chromium Azo Dye Salt; 5-Chloro-2-hydroxybenzeneazo-naphthol sulfonate chromium complex; Reactive metal-complex dye precursor
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, UV-Vis). A detailed Certificate of Analysis (COA) documenting identity, assay, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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). This material is light-sensitive (store away from light) and hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 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.