Description

Chromate(3-), Bis7-(Aminohydroxyphenyl)Azo-3-5-(Aminosulfonyl)-2-(Hydroxy-.Kappa.O)Phenylazo-.Kappa.N1-4-(Hydroxy-.Kappa.O)-2-Naphthalenesulfonato(3-)-, Trisodium is a high-purity, complex chromium-based azo dye intermediate. This compound is valued for its precise molecular structure, which serves as a critical building block in the synthesis of specialized dyes and pigments. It is primarily required by manufacturers in the fine chemicals, advanced pigments, and specialty materials sectors seeking consistent quality for complex formulations.

Application

• Precursor for High-Performance Azo Dyes and Pigments: Serves as a key intermediate in the synthesis of complex, color-fast azo dyes used in textiles, inks, and coatings.
• Specialty Chemical Synthesis: Used in research and development for creating novel chromogenic compounds with specific light-absorption properties.
• Analytical Reagent: May be employed as a specialized reagent or standard in analytical chemistry and colorimetric analysis.
• Functional Material Development: Investigated for use in the development of advanced materials, including optical sensors and light-sensitive layers.
• Catalyst Research: Potential application as a ligand or component in catalytic systems due to its complex structure with multiple coordination sites.

Basic Information

Item	Details
Product Name	Chromate(3-), Bis7-(Aminohydroxyphenyl)Azo-3-5-(Aminosulfonyl)-2-(Hydroxy-.Kappa.O)Phenylazo-.Kappa.N1-4-(Hydroxy-.Kappa.O)-2-Naphthalenesulfonato(3-)-, Trisodium
CAS No.	118716-62-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Trisodium Chromate Complex; Chromate Azo Dye Intermediate; C.I. Mordant Black 17 (related complex); 118716-62-4; Chromate(3-), bis[7-[(2-hydroxy-5-sulfophenyl)azo]-8-hydroxy-2-naphthalenesulfonato(3-)]-, trisodium; Complex Chromium Azo Dye; Mordant Dye Intermediate
EINECS	Contact for details

Quality Control

Our Chromate(3-), Bis7-(Aminohydroxyphenyl)Azo-3-5-(Aminosulfonyl)-2-(Hydroxy-.Kappa.O)Phenylazo-.Kappa.N1-4-(Hydroxy-.Kappa.O)-2-Naphthalenesulfonato(3-)-, Trisodium is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications and test results is provided with every shipment to guarantee it meets your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are kept sealed to minimize exposure to atmospheric moisture and light to maintain stability and purity.

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.