Description

Barium Bis[2-[(2-Hydroxy-1-Naphthyl)Azo]-5-Methoxybenzenesulphonate] is a specialized azo dye complex salt, valued for its vibrant color properties and chemical stability. This compound is engineered to deliver consistent performance as a high-performance pigment and colorant in demanding industrial applications. It is primarily utilized by manufacturers in the coatings, plastics, and specialty inks industries seeking durable and reliable coloration.

Application

• High-Performance Pigments: Used as a key colorant in the formulation of industrial paints, automotive coatings, and powder coatings requiring excellent lightfastness and weather resistance.
• Plastics and Polymers: Imparts stable coloration to engineering plastics, masterbatches, and synthetic fibers during high-temperature processing.
• Specialty Inks: Serves as a critical component in the production of security inks, printing inks for packaging, and other specialty graphic arts applications.
• Textile Dyeing: Employed in the dyeing of synthetic fabrics where a specific, stable shade is required.
• Research & Development: Used as a reference standard or intermediate in chemical research and the development of new colorant systems.

Basic Information

Product Name	Barium Bis[2-[(2-Hydroxy-1-Naphthyl)Azo]-5-Methoxybenzenesulphonate]
CAS No.	85391-55-5
Molecular Formula	C34H24BaN4O10S2
Molecular Weight	849.03 g/mol
Synonyms	Barium 2-[(2-Hydroxy-1-naphthyl)azo]-5-methoxybenzenesulphonate; C.I. Pigment Red 247; Barium Salt of 2-[(2-Hydroxy-1-naphthalenyl)azo]-5-methoxybenzenesulfonic Acid; Barium 1-[(5-Methoxy-2-sulfophenyl)azo]-2-naphtholate; Benzenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-5-methoxy-, barium salt (2:1); Pigment Red 247 (Barium Lake)
EINECS	286-800-8

Quality Control

Our production of Barium Bis[2-[(2-Hydroxy-1-Naphthyl)Azo]-5-Methoxybenzenesulphonate] adheres to stringent quality protocols to ensure batch-to-batch consistency and performance reliability. Each lot is analyzed against key parameters including purity, color strength, and impurity profile. A comprehensive Certificate of Analysis (COA) detailing these results is provided with every shipment to support your quality assurance processes.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure containers are sealed immediately after use to prevent degradation from moisture and light exposure.

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	15.0 - 20.0%
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.