Description

Barium 4-[(3-Chloro-2-Methyl-5-Sulphonatophenyl)Azo]-3-Hydroxy-2-Naphthoate CAS NO 67892-41-5 is a high-purity barium salt of a specific azo dye intermediate. This compound is valued for its role as a key precursor in the synthesis of high-performance pigments and colorants, offering excellent thermal stability and color properties. It is primarily required by manufacturers in the specialty chemicals, plastics, and advanced coatings industries seeking to produce vivid, durable colors.

Application

• Primary intermediate for the synthesis of high-performance azo pigments and dyes.
• Key raw material in the production of colorants for plastics and synthetic resins.
• Used in manufacturing pigments for industrial coatings and automotive paints requiring weather resistance.
• Component in the formulation of specialty inks, including those for packaging and security printing.
• Potential use in the research and development of functional dyes for optical applications.

Basic Information

Product Name	Barium 4-[(3-Chloro-2-Methyl-5-Sulphonatophenyl)Azo]-3-Hydroxy-2-Naphthoate
CAS No.	67892-41-5
Molecular Formula	C18H10BaClN2O6S
Molecular Weight	528.11 g/mol (approx.)
Synonyms	Barium 3-Hydroxy-4-[(3-chloro-2-methyl-5-sulfophenyl)azo]-2-naphthoate; Barium Salt of C.I. Pigment Red 57:1 Intermediate; Barium Salt of 4-[(5-Chloro-4-methyl-2-sulfophenyl)azo]-3-hydroxy-2-naphthoic Acid; 3-Hydroxy-4-[(3-chloro-2-methyl-5-sulfophenyl)azo]-2-naphthoic Acid Barium Salt; Barium 4-[(3-Chloro-2-methyl-5-sulfonatophenyl)azo]-3-hydroxy-2-naphthoate; Barium Lake of Azo Dye Intermediate; PR57:1 Barium Salt Intermediate; Barium Naphthoate Azo Dye Salt
EINECS	Contact for details

Quality Control

Our Barium 4-[(3-Chloro-2-Methyl-5-Sulphonatophenyl)Azo]-3-Hydroxy-2-Naphthoate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a pigment intermediate. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request 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 room temperature (15-25°C). Keep away from incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Red to reddish-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Chloride Content	Contact for details
Barium Content	Contact for details

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