Description

2-Naphthalenesulfonic Acid, 6-(2-Hydroxy-1-Naphthalenyl)Azo-, Barium Salt (2:1) is a high-purity, organometallic azo compound primarily utilized as a specialized pigment and colorant intermediate. This product matters for its role in producing vivid, stable colors and its function in specific catalytic and analytical processes. It is essential for manufacturers in the pigments and dyes, specialty chemicals, and research and development sectors seeking reliable, batch-to-batch consistent raw materials.

Application

• Pigment and Dye Manufacturing: Serves as a key intermediate for producing high-performance organic pigments, particularly for applications requiring thermal and light stability.
• Specialty Colorants: Used in the formulation of specialized colorants for plastics, coatings, and inks where specific hue and barium content are required.
• Analytical Chemistry: Acts as a complexometric agent or indicator in specific titrimetric analyses due to its azo group and metal ion.
• Catalyst Precursor: Employed in research for developing heterogeneous catalysts, leveraging the barium ion in various organic transformations.
• Research & Development: Used as a standard or building block in synthetic organic and organometallic chemistry research.

Basic Information

Product Name	2-Naphthalenesulfonic Acid, 6-(2-Hydroxy-1-Naphthalenyl)Azo-, Barium Salt (2:1)
CAS No.	73612-37-0
Molecular Formula	C20H14N2O4S · 1/2Ba
Molecular Weight	476.77 g/mol (for free acid, barium salt weight varies)
Synonyms	Barium 6-[(2-hydroxy-1-naphthyl)azo]naphthalene-2-sulfonate; C.I. Pigment Red; 6-(2-Hydroxy-1-naphthylazo)-2-naphthalenesulfonic acid barium salt; Barium 2-naphthalenesulfonate azo dye; Azo barium lake; Barium naphthol sulfonate azo complex; Barium salt of C.I. 15865 (where applicable); 1-Naphthol-2-azo-2-naphthol-6-sulfonic acid barium salt
EINECS	Contact for details

Quality Control

Our 2-Naphthalenesulfonic Acid, 6-(2-Hydroxy-1-Naphthalenyl)Azo-, Barium Salt (2:1) is produced under a stringent quality management system. Each batch undergoes rigorous testing to ensure compliance with agreed specifications for purity, metal content, and chromatic properties. Comprehensive Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and strong oxidizing agents. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Red to brown powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (by area)
Barium Content	As per customer requirement
Loss on Drying	≤ 2.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Slightly soluble 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.