Description

5-[[4,5-Dihydro-3-Methyl-1-(2-Methyl-4-Sulphophenyl)-5-Oxo-1H-Pyrazol-4-Yl]Azo]-1H-1,2,4-Triazole-3-Carboxylic Acid, Sodium Salt is a high-purity, water-soluble azo dye intermediate and specialty chemical. This compound is valued for its precise chemical structure, which serves as a critical building block in the synthesis of advanced colorants and functional materials. It is primarily sought after by manufacturers in the dye and pigment, pharmaceutical, and advanced material research sectors for its role in creating products with specific chromophoric and chemical properties.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key precursor in the synthesis of high-performance, water-soluble azo dyes for textiles, inks, and coatings.
• Functional Dye Synthesis: Used in the production of specialized dyes for applications in biological staining, sensors, and optical data storage.
• Pharmaceutical Research Intermediate: Employed in the research and development of novel active pharmaceutical ingredients (APIs) where the triazole and azo functionalities are pharmacologically relevant.
• Analytical Chemistry Reagent: Acts as a chromogenic agent or a complexing ligand in analytical methods and test kits.
• Material Science Research: Investigated for use in the development of organic semiconductors, photoresponsive materials, and metal-organic frameworks (MOFs).
• Specialty Chemical Synthesis: Utilized as a building block for creating other complex molecules with specific azo and heterocyclic components.

Basic Information

Product Name	5-[[4,5-Dihydro-3-Methyl-1-(2-Methyl-4-Sulphophenyl)-5-Oxo-1H-Pyrazol-4-Yl]Azo]-1H-1,2,4-Triazole-3-Carboxylic Acid, Sodium Salt
CAS No.	85977-47-5
Molecular Formula	C15H12N7NaO6S
Molecular Weight	441.35 g/mol
Synonyms	5-[(4,5-Dihydro-3-methyl-5-oxo-1-(2-methyl-4-sulfophenyl)-1H-pyrazol-4-yl)azo]-1H-1,2,4-triazole-3-carboxylic acid sodium salt; Sodium 5-[(4,5-dihydro-3-methyl-5-oxo-1-(2-methyl-4-sulfophenyl)-1H-pyrazol-4-yl)azo]-1H-1,2,4-triazole-3-carboxylate; Acid Red 337 (related dye class); C.I. 17915 (Colour Index reference); Azo triazole carboxylic acid sodium salt; Pyrazolone azo triazole derivative
EINECS	Contact for details

Quality Control

Our production of 5-[[4,5-Dihydro-3-Methyl-1-(2-Methyl-4-Sulphophenyl)-5-Oxo-1H-Pyrazol-4-Yl]Azo]-1H-1,2,4-Triazole-3-Carboxylic Acid, Sodium Salt adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR for identification, and elemental analysis, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and quality assurance.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed when not in use to prevent degradation from moisture absorption and light exposure.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals	≤ 20 ppm
Solubility (Water)	Freely soluble

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