Description

Benzenesulfonic Acid, 5-Chloro-4-Methyl-2-[[1-[ [(2-Methylphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo] -, Barium Salt (2:1) is a high-purity, organometallic azo dye intermediate. This compound is valued for its role as a key precursor in synthesizing specialized pigments and colorants with enhanced thermal and light stability. It is primarily required by manufacturers in the pigments, dyes, and specialty chemical industries for producing high-performance colorants used in plastics, coatings, and inks.

Application

• Precursor for High-Performance Pigments: Serves as a critical intermediate in the synthesis of complex azo pigments, particularly barium salts known for good weatherfastness.
• Specialty Dye Manufacturing: Used in the production of dyes for industrial applications requiring specific color shades and chemical resistance.
• Plastics and Polymer Coloring: Imparts color to engineering plastics and polymers where high-temperature processing stability is essential.
• Coatings and Inks: Employed in the formulation of specialty coatings and printing inks that demand excellent durability and color strength.
• Research & Development: Utilized in chemical R&D for developing new colorant molecules and studying structure-property relationships in dye chemistry.

Basic Information

Product Name	Benzenesulfonic Acid, 5-Chloro-4-Methyl-2-[[1-[ [(2-Methylphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo] -, Barium Salt (2:1)
CAS No.	129212-14-2
Molecular Formula	C34H28BaClN4O6S2
Molecular Weight	807.36 g/mol
Synonyms	Barium 5-chloro-4-methyl-2-[[1-[(2-methylphenyl)carbamoyl]-2-oxopropyl]azo]benzenesulphonate; 129212-14-2; 5-Chloro-4-methyl-2-[[1-[(2-methylphenyl)carbamoyl]-2-oxopropyl]azo]benzenesulfonic acid barium salt; Barium salt of an azo dye intermediate; CI Pigment Yellow (related derivatives); Azo dye barium complex; Benzenesulfonic acid derivative barium salt
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and purity for sensitive synthesis processes. Quality is verified through analytical techniques including HPLC, IR spectroscopy, and elemental analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance systems.

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 strong oxidizing agents and incompatible materials. The container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Fine powder or crystalline solid
Color	Characteristic yellow to orange
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Barium Content	Conforms to theoretical

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