Description

Barium 4-[(5-Chloro-4-Methyl-2-Sulphonatophenyl)Azo]-1-Hydroxy-2-Naphthoate is a specialized barium salt of an azo dye intermediate, valued for its role in producing high-performance pigments and colorants. This compound is engineered to deliver consistent color strength, thermal stability, and chemical resistance in demanding applications. It is primarily utilized by manufacturers in the pigment, plastics, and specialty coatings industries seeking reliable and high-purity raw materials for their formulations.

Application

• Primary Raw Material for Organic Pigments: Serves as a key intermediate in the synthesis of high-performance red and maroon azo pigments.
• Plastics and Polymer Coloring: Used in the masterbatch production for coloring engineering plastics, PVC, and polyolefins, offering good dispersion and heat stability.
• Industrial Coatings and Inks: Imparts durable color in solvent-based and aqueous coating systems, as well as in printing inks for packaging and publications.
• Specialty Dyes for Fibers: Employed in the manufacture of dyes for synthetic fibers, providing good lightfastness and wash fastness properties.
• Research and Development: Used as a standard or reference compound in chemical research focused on dye chemistry, metal-complex formation, and new colorant development.

Basic Information

Product Name	Barium 4-[(5-Chloro-4-Methyl-2-Sulphonatophenyl)Azo]-1-Hydroxy-2-Naphthoate
CAS No.	80822-79-3
Molecular Formula	C18H11BaClN2O6S
Molecular Weight	546.12 g/mol (approx.)
Synonyms	Barium 1-Hydroxy-2-[(5-chloro-4-methyl-2-sulfophenyl)azo]-2-naphthoate; Barium Salt of C.I. Pigment Red 247; Barium Lake of 5-Chloro-4-methyl-2-[(1-hydroxy-2-naphthoyl)azo]benzenesulfonic Acid; 80822-79-3; Barium 5-Chloro-4-methyl-2-[(1-hydroxy-2-naphthoyl)azo]benzenesulfonate; Azo Barium Lake; Pigment Red 247 Barium Salt
EINECS	Contact for details

Quality Control

Our Barium 4-[(5-Chloro-4-Methyl-2-Sulphonatophenyl)Azo]-1-Hydroxy-2-Naphthoate is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, color value, and physical properties. Certificates of Analysis (COA) detailing key parameters such as assay, heavy metal content, and specific 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, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. The product is light-sensitive and should be stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Red to maroon powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Reported on COA
Heavy Metals (as Pb)	≤ 20 ppm
Chloride Content	Reported on COA
Barium Content	Reported on COA

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