Description

Benzenesulfonic Acid, 5-[(2-Hydroxy-1-Naphthalenyl)Azo]-2-Methyl-, Barium Salt (2:1) is a specialized organometallic azo compound primarily valued for its role as a high-performance pigment and colorant intermediate. Its complex structure provides excellent thermal stability and color fastness, making it a critical component for demanding industrial applications. This product is essential for manufacturers in the coatings, plastics, and specialty chemical synthesis sectors seeking reliable, consistent color properties and material performance.

Application

• Pigment Intermediate: Serves as a key precursor in the synthesis of high-grade, heat-stable organic pigments for industrial use.
• Plastics and Polymer Coloring: Used to impart durable and consistent coloration to engineering plastics and synthetic polymers.
• Industrial Coatings and Inks: Provides colorants for coatings, printing inks, and other surface treatments requiring lightfastness and chemical resistance.
• Specialty Dye Manufacturing: Acts as an intermediate in the production of complex azo dyes for niche technical applications.
• Research & Development: Utilized in chemical R&D for developing new functional materials and studying organometallic complexes.

Basic Information

Item	Detail
Product Name	Benzenesulfonic Acid, 5-[(2-Hydroxy-1-Naphthalenyl)Azo]-2-Methyl-, Barium Salt (2:1)
CAS No.	129212-12-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Barium 5-[(2-hydroxy-1-naphthyl)azo]-2-methylbenzenesulfonate; C.I. Pigment Red; Azo Barium Lake; 2-Methyl-5-[(2-hydroxy-1-naphthalenyl)azo]benzenesulfonic acid barium salt; Barium salt of 5-[(2-Hydroxy-1-naphthalenyl)azo]-2-methylbenzenesulfonic acid; (1:2) Barium complex; Azo pigment intermediate BA salt
EINECS	Contact for details

Quality Control

Our production of Benzenesulfonic Acid, 5-[(2-Hydroxy-1-Naphthalenyl)Azo]-2-Methyl-, Barium Salt (2:1) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistency in composition, color strength, and impurity profiles. 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, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed to minimize exposure to atmospheric moisture and light to preserve product integrity.

Specification

Item	Specification
Appearance	Colored Powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Barium Content	Contact for details

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