Description

Thiosulfuric Acid S-[4-[[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol)-4-Yl]Azo]-3-Methoxyphenyl]o-Sodium Salt is a specialized organic sodium salt featuring a complex heterocyclic azo dye structure. This compound is valued for its precise chromophoric properties, making it a critical intermediate in the synthesis of high-performance colorants and functional materials. It is primarily sought by manufacturers in the dye and pigment, advanced material science, and research sectors for applications requiring specific light absorption and molecular stability.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of complex, high-value azo dyes for textiles, inks, and coatings.
• Functional Material Synthesis: Used in research and development of advanced organic materials, including liquid crystals and optical sensors.
• Laboratory Reagent: Employed as a specialized chemical standard and reagent in analytical chemistry and organic synthesis research.
• Specialty Chemical Manufacturing: Acts as a precursor for creating custom molecules with specific photochemical or electronic properties.

Basic Information

Product Name	Thiosulfuric Acid S-[4-[[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol)-4-Yl]Azo]-3-Methoxyphenyl]o-Sodium Salt
CAS No.	72749-62-3
Molecular Formula	C17H15N4NaO4S2
Molecular Weight	426.44 g/mol
Synonyms	Sodium 4-[[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-methoxyphenyl] thiosulfate; 1-Phenyl-3-methyl-4-[(3-methoxy-4-thiosulfophenyl)azo]-5-pyrazolone sodium salt; Azo pyrazolone thiosulfate sodium salt; Reactive dye intermediate; CAS 72749-62-3; Thiosulfuric acid, S-[4-[[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-3-methoxyphenyl] ester, sodium salt (1:1)
EINECS	Contact for details

Quality Control

Our production of Thiosulfuric Acid S-[4-[[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol)-4-Yl]Azo]-3-Methoxyphenyl]o-Sodium Salt adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics is provided to guarantee material integrity for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed due to the hygroscopic nature of similar salts.

Specification

Item	Specification
Appearance	Orange to red-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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