Description

Barium 3-Hydroxy-4-(Naphthylazo)Naphthalene-2,7-Disulphonate is a specialized barium salt of a naphthalene-based 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 properties and stability. It is primarily required by manufacturers in the colorant, specialty chemical, and advanced materials industries for producing vivid and durable colors.

Application

• Primary Precursor for Azo Pigments: Serves as a critical intermediate in the manufacturing of high-performance red and maroon azo pigments.
• Specialty Dye Synthesis: Used in the production of specialized dyes for plastics, inks, and coatings requiring specific lightfastness and thermal stability.
• Research & Development: Employed in chemical R&D for developing novel colorants and functional materials with unique optical properties.
• Analytical Chemistry: May be utilized as a standard or reagent in specific colorimetric analysis and detection methods.

Basic Information

Product Name	Barium 3-Hydroxy-4-(Naphthylazo)Naphthalene-2,7-Disulphonate
CAS No.	68399-74-6
Molecular Formula	C20H12BaN2O8S2
Molecular Weight	625.82 g/mol
Synonyms	Barium 3-Hydroxy-4-(1-naphthylazo)naphthalene-2,7-disulfonate; 3-Hydroxy-4-(1-naphthylazo)naphthalene-2,7-disulfonic Acid Barium Salt; Barium 4-(1-Naphthylazo)-3-hydroxynaphthalene-2,7-disulfonate; C.I. Pigment Red 52:2 (Barium Salt); Barium Salt of 3-Hydroxy-4-(naphthalen-1-yldiazenyl)naphthalene-2,7-disulfonic Acid; Barium Naphthylazo Naphthalene Disulfonate; Azo Dye Intermediate Barium Salt
EINECS	Contact for details

Quality Control

Our production of Barium 3-Hydroxy-4-(Naphthylazo)Naphthalene-2,7-Disulphonate adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. The product undergoes rigorous analytical testing, including identification, assay, and impurity profiling. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory needs.

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 incompatible materials. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Reddish-brown to dark red 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
Barium Content	Contact for details

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