Description

Barium 4-[(2,4-Dimethylphenyl)Azo]-3-Hydroxynaphthalene-2,7-Disulphonate is a high-purity, organometallic azo dye intermediate of significant commercial importance. This compound is valued for its role in synthesizing specialized pigments and colorants with excellent lightfastness and thermal stability. It is primarily sought after by manufacturers in the pigments, dyes, plastics, and specialty coatings industries for producing high-performance coloring agents.

Application

• Primary Intermediate for High-Performance Pigments: Serves as a key building block in the synthesis of azo pigments, particularly for yellows, oranges, and reds.
• Plastics and Polymer Coloring: Used to manufacture colorants for engineering plastics, masterbatches, and synthetic fibers requiring high-temperature processing stability.
• Industrial and Automotive Coatings: Essential for producing pigments used in coatings that demand superior weatherability, chemical resistance, and color retention.
• Printing Inks: Applied in the formulation of specialty inks, including packaging and security inks, where color consistency and durability are critical.
• Specialty Dyes for Non-Textile Uses: Potential applications in creating dyes for paper, leather, and other substrates requiring specific color properties.

Basic Information

Item	Detail
Product Name	Barium 4-[(2,4-Dimethylphenyl)Azo]-3-Hydroxynaphthalene-2,7-Disulphonate
CAS No.	68928-54-1
Molecular Formula	C24H16BaN2O8S2
Molecular Weight	666.89 g/mol
Synonyms	Barium 4-[(2,4-dimethylphenyl)azo]-3-hydroxy-2,7-naphthalenedisulfonate; C.I. Pigment Yellow 180; Pigment Yellow 180; PY 180; 4-[(2,4-Dimethylphenyl)azo]-3-hydroxy-2,7-naphthalenedisulfonic acid, barium salt; Barium salt of 4-[(2,4-dimethylphenyl)azo]-3-hydroxynaphthalene-2,7-disulfonic acid
EINECS	Contact for details

Quality Control

Our production of Barium 4-[(2,4-Dimethylphenyl)Azo]-3-Hydroxynaphthalene-2,7-Disulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, IR spectroscopy, and elemental analysis, to ensure consistent purity, precise chemical structure, and batch-to-batch reproducibility. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The container should be kept tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Consistent with theoretical value
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Insoluble in water; soluble in concentrated sulfuric acid

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