Description

Barium 2-[(2-Hydroxynaphthyl)Azo]Naphthalene-1,5-Disulphonate is a high-purity, organometallic azo dye intermediate. This compound is valued for its role as a key precursor in the synthesis of high-performance pigments and dyes, offering excellent color strength and stability. It is primarily required by manufacturers in the specialty chemicals, advanced materials, and industrial coatings sectors seeking to produce vivid, durable colors.

Application

• Primary precursor for the synthesis of high-performance azo pigments and dyes.
• Key intermediate in the production of industrial colorants for plastics, resins, and synthetic fibers.
• Used in the formulation of specialized coatings and inks requiring high lightfastness and weather resistance.
• Component in the manufacture of functional dyes for non-textile applications, such as in electronics or imaging.
• Employed in research and development laboratories for creating novel chromophoric systems.

Basic Information

Product Name	Barium 2-[(2-Hydroxynaphthyl)Azo]Naphthalene-1,5-Disulphonate
CAS No.	67892-47-1
Molecular Formula	C₂₀H₁₂BaN₂O₈S₂
Molecular Weight	617.82 g/mol
Synonyms	Barium 2-Hydroxy-1-naphthylazonaphthalene-1,5-disulfonate; Barium 1,5-Naphthalenedisulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-, barium salt (1:1); C.I. Pigment Red 49:1 (Barium Lake); Barium Lake Red 49:1; Barium Salt of 2-[(2-Hydroxy-1-naphthyl)azo]-1,5-naphthalenedisulfonic Acid; 67892-47-1; Barium 2-(2-Hydroxy-1-naphthylazo)-1,5-naphthalenedisulfonate
EINECS	Contact for details

Quality Control

Our production of Barium 2-[(2-Hydroxynaphthyl)Azo]Naphthalene-1,5-Disulphonate adheres to stringent quality protocols to ensure batch-to-batch consistency and purity. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, heavy metal content, and other critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and stability.

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	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Slightly soluble 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.