Description

Sodium 3-[[1-(3-Chlorophenyl)-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-4-Yl]Azo]-4-Hydroxy-5-Nitrobenzenesulphonate is a high-purity, synthetic azo dye intermediate of significant commercial importance. This compound is valued for its precise chemical structure, which is critical for imparting specific color properties and performance characteristics in advanced applications. It is primarily sought by manufacturers in the dye and pigment, textile, and specialty chemical industries for the production of high-performance colorants.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of high-value, complex azo dyes, particularly for demanding applications.
• Textile Dyeing: Used in the manufacturing of dyes for coloring natural and synthetic fibers, where specific shade and fastness properties are required.
• Specialty Ink Formulation: Employed in the production of inks for specialized printing applications, including security inks and high-resolution digital printing.
• Functional Colorant Production: A precursor for creating colorants with additional functional properties, such as light absorption or specific chemical reactivity.
• Research & Development: Utilized in chemical R&D for developing novel chromophores and studying structure-property relationships in dye chemistry.
• Analytical Chemistry: May be used as a standard or reagent in analytical methods for dye identification and quantification.

Basic Information

Product Name	Sodium 3-[[1-(3-Chlorophenyl)-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-4-Yl]Azo]-4-Hydroxy-5-Nitrobenzenesulphonate
CAS No.	84912-12-9
Molecular Formula	C16H11ClN5NaO7S
Molecular Weight	475.80 g/mol
Synonyms	Benzenesulfonic acid, 3-[[1-(3-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-4-hydroxy-5-nitro-, sodium salt; Sodium 3-[(1-(3-chlorophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)azo]-4-hydroxy-5-nitrobenzenesulfonate; Azo dye intermediate 84912-12-9; 3-[(1-(3-Chlorophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl)azo]-4-hydroxy-5-nitrobenzenesulfonic acid sodium salt
EINECS	Contact for details

Quality Control

Our production of this azo dye intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Quality is verified through comprehensive analytical testing, including HPLC, UV-Vis, and elemental analysis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance processes.

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 strong oxidizing agents and incompatible materials. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Orange to red-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
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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