Description

Potassium 2-[[1-(2-Chlorophenyl)-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-4-Yl]Azo]Naphthalene-1-Sulphonate is a high-purity, synthetic organic chemical compound belonging to the azo dye and pigment class. This compound is valued for its specific chromophoric properties, making it a critical intermediate in the production of specialized colorants and functional materials. It is primarily sought by manufacturers in the dyes and pigments, specialty chemicals, and advanced material research sectors.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in synthesizing high-performance organic pigments and dyes, particularly for applications requiring specific color fastness and stability.
• Specialty Colorant Production: Used in the manufacture of colorants for inks, coatings, and plastics where precise hue and chemical resistance are paramount.
• Functional Material Research: Acts as a precursor in research and development of advanced materials, including photochromic or electrochromic compounds.
• Analytical Chemistry Reagent: May be employed as a standard or reagent in analytical methods for dye identification and quantification.
• Textile Dye Intermediate: Utilized in the synthesis of dyes for synthetic and natural fibers in the textile industry.

Basic Information

Product Name	Potassium 2-[[1-(2-Chlorophenyl)-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-4-Yl]Azo]Naphthalene-1-Sulphonate
CAS No.	67875-12-1
Molecular Formula	C20H13ClKN5O4S
Molecular Weight	493.96 g/mol
Synonyms	Potassium 1-(2-chlorophenyl)-3-methyl-4-[(2-sulfonaphthalen-1-yl)azo]-5-pyrazolone-4-sulfonate; C.I. Pigment Yellow 180; PY 180; 2-Naphthalenesulfonic acid, 1-[[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-, potassium salt; 1-(2-Chlorophenyl)-3-methyl-4-[(2-sulfonaphthalen-1-yl)azo]-5-pyrazolone potassium salt; Novoperm Yellow P-HG; Hansa Brilliant Yellow 5GX
EINECS	Contact for details

Quality Control

Our production of Potassium 2-[[1-(2-Chlorophenyl)-4,5-Dihydro-3-Methyl-5-Oxo-1H-Pyrazol-4-Yl]Azo]Naphthalene-1-Sulphonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and chemical identity, meeting the exacting standards required for industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with each shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to Orange Powder
Identification (IR)	Conforms to Structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in Water, DMF

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