Description

Cobaltate(1-), Bis[1-[(5-Chloro-2-Hydroxyphenyl) Azo]-2-Naphthalenolato(2-)]-, Sodium is a high-purity, complex metallized azo dye intermediate. This compound is valued for its role in synthesizing high-performance pigments and dyes, offering excellent color strength and stability. It is primarily required by manufacturers in the pigments, specialty dyes, and advanced materials sectors for demanding applications.

Application

• Primary Intermediate for the synthesis of high-performance organic pigments.
• Manufacturing of complex metal salt dyes for plastics and synthetic fibers.
• Production of specialty colorants for inks and coatings requiring high lightfastness.
• Key component in the development of functional dyes for optical and electronic applications.
• Research and development of novel coordination compounds and catalysts.
• Potential use in the formulation of analytical reagents and indicators.

Basic Information

Product Name	Cobaltate(1-), Bis[1-[(5-Chloro-2-Hydroxyphenyl) Azo]-2-Naphthalenolato(2-)]-, Sodium
CAS No.	18639-97-9
Molecular Formula	C34H18Cl2CoN4NaO4
Molecular Weight	722.36 g/mol
Synonyms	Sodium Cobalt Bis(1-[(5-Chloro-2-hydroxyphenyl)azo]-2-naphtholate); C.I. 15865:1; Pigment Metal Complex; Cobalt Lake Red; 5-Chloro-2-hydroxybenzeneazo-2-naphthol cobalt complex sodium salt; Bis(5-chloro-2-hydroxybenzeneazo-2-naphtholato)cobaltate(1-) sodium; Sodium 1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphthol cobalt complex
EINECS	242-449-5

Quality Control

Our production of this metallized dye intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and purity. Each lot is characterized using advanced analytical techniques including HPLC, IR spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles 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 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 red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
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.