Description

Barium Bis[p-[4,5-Dihydro-3-Methyl-5-Oxo-4-(Phenylazo)-1H-Pyrazol-1-Yl]Benzenesulphonate] is a specialized organometallic complex salt, primarily valued for its role as a high-performance pigment and colorant intermediate. This compound is engineered to deliver exceptional color strength, thermal stability, and lightfastness in demanding industrial applications. It is a critical raw material for manufacturers in the pigments, dyes, plastics, and specialty coatings industries seeking consistent and reliable performance.

Application

• High-Performance Pigments: Serves as a key intermediate in the synthesis of advanced azo pigments for plastics, masterbatches, and synthetic fibers.
• Industrial Coatings & Inks: Used in the formulation of specialty coatings, printing inks, and automotive paints requiring excellent durability and color consistency.
• Dye Manufacturing: Acts as a precursor for producing metal-complex dyes used in textiles and other substrates.
• Functional Additives: Potential use in the development of functional materials where specific metal-organic frameworks are required.
• Research & Development: Employed in chemical research for developing new colorants and studying organobarium chemistry.

Basic Information

Product Name	Barium Bis[p-[4,5-Dihydro-3-Methyl-5-Oxo-4-(Phenylazo)-1H-Pyrazol-1-Yl]Benzenesulphonate]
CAS No.	37672-83-6
Molecular Formula	C32H24BaN8O8S2
Molecular Weight	832.12 g/mol
Synonyms	Barium 4,5-dihydro-3-methyl-4-[(E)-phenyldiazenyl]-5-oxo-1H-pyrazol-1-ylbenzenesulfonate; Barium 1-(4-sulfophenyl)-3-methyl-4-(phenylazo)-5-pyrazolone; C.I. Pigment Yellow 191:1; Pigment Yellow 191:1; Barium salt of 1-(4-sulfophenyl)-3-methyl-4-(phenylazo)-5-pyrazolone; Barium 4-(4-sulfophenylazo)-3-methyl-1-phenyl-2-pyrazolin-5-one; Barium 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(E)-2-phenyldiazenyl]-1H-pyrazole-3-carboxylate (related structure)
EINECS	Contact for details

Quality Control

Our production of Barium Bis[p-[4,5-Dihydro-3-Methyl-5-Oxo-4-(Phenylazo)-1H-Pyrazol-1-Yl]Benzenesulphonate] adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity for industrial applications. Quality is verified through comprehensive analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to guarantee compliance with your technical requirements.

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 and sources of ignition. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	To be specified
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Practically insoluble in water; soluble in select organic solvents

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