Description

Bis[2-[(2-Hydroxy-1-Naphthalenyl)Azo]Benzenesulfonic Acid]Barium Salt is a high-purity, organometallic azo dye complex valued for its excellent colorant properties and stability. This compound is essential for industries requiring precise and durable pigments for advanced material applications. It is primarily utilized by manufacturers in the pigments, coatings, plastics, and specialty inks sectors.

Application

• High-Performance Pigments: Used as a key component in the formulation of organic pigments for plastics, masterbatches, and synthetic fibers.
• Industrial Coatings: Imparts color and UV stability to coatings for automotive, aerospace, and architectural applications.
• Specialty Inks: Employed in the production of inks for packaging, security printing, and other demanding graphical arts.
• Functional Dyes: Serves as an intermediate or colorant in the synthesis of dyes for textiles and other substrates.
• Research & Development: Utilized in chemical research as a model compound for studying azo-metal complexes and their photochemical properties.
• Additives for Polymers: Can be incorporated into polymers to provide coloration and potentially modify material characteristics.

Basic Information

Product Name	Bis[2-[(2-Hydroxy-1-Naphthalenyl)Azo]Benzenesulfonic Acid]Barium Salt
CAS No.	72765-61-8
Molecular Formula	C34H22BaN4O8S2
Molecular Weight	818.10 g/mol
Synonyms	Barium 2-[(2-hydroxy-1-naphthyl)azo]benzenesulfonate dimer; C.I. Pigment Red 247; Barium salt of 2-[(2-hydroxy-1-naphthyl)azo]benzenesulfonic acid; 2-Naphthalenol, 1-[(2-sulfophenyl)azo]-, barium salt (2:1); 1-[(2-Sulfophenyl)azo]-2-naphthol barium salt; Pigment Red 247; Barium 1-(2-sulfophenylazo)-2-naphtholate
EINECS	Contact for details

Quality Control

Our production of Bis[2-[(2-Hydroxy-1-Naphthalenyl)Azo]Benzenesulfonic Acid]Barium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure consistent purity, color strength, and performance characteristics. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance.

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	Corresponds to barium content
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Insoluble in water; soluble in specific organic solvents

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