Description

Cobaltate(2-), [1-[(5-chloro-2-hydroxyphenyl) azo]-2-naphthalenolato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]-, disodium is a complex, high-purity azo dye metal complex. This compound matters for its ability to provide exceptional color strength, stability, and specific technical performance in demanding applications. It is primarily needed by manufacturers in the pigments, specialty inks, and advanced coatings industries seeking reliable and consistent colorants.

Application

• High-Performance Pigments: Used in the formulation of organic pigments for plastics, masterbatches, and synthetic fibers.
• Specialty Printing Inks: A key component in inks requiring high lightfastness and chemical resistance, such as for security printing or packaging.
• Industrial Coatings: Imparts durable coloration to coatings for automotive, aerospace, and industrial equipment.
• Research & Development: Serves as a reference standard or intermediate in the synthesis of novel colorants and coordination compounds.
• Functional Materials: Potential applications in the development of optical materials or sensors due to its complex structure.

Basic Information

Item	Details
Product Name	Cobaltate(2-), [1-[(5-chloro-2-hydroxyphenyl) azo]-2-naphthalenolato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]-, disodium
CAS No.	125378-88-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment; Disodium Cobalt Complex Azo Dye; Cobalt Azo Dye Complex; [1-[(5-Chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxynaphthyl)azo]-7-nitro-1-naphthalenesulfonato(3-)]cobaltate(2-), disodium; Azo Metal Complex Pigment; Cobalt Lake Pigment; Coordination Complex Dye
EINECS	Contact for details

Quality Control

Our production of this specialty metal complex dye adheres to strict quality management systems. Every batch undergoes comprehensive analytical testing to ensure consistent purity, color value, and performance characteristics. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, metal content, and impurity profiles.

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). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Fine Powder
Color	Characteristic Shade
Identification (IR)	Conforms
Assay (Cobalt Content)	≥ 95.0%
Moisture (Loss on Drying)	≤ 5.0%
Solubility	Specified Solvent Systems
Particle Size	Contact for details

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