Description

2,4-Dihydro-4-[(3-Methoxyphenyl)Azo]-5-Methyl-2-Phenyl-3H-Pyrazol-3-One is a high-purity azo pyrazolone derivative, a critical specialty chemical valued for its consistent chromophoric properties and structural integrity. This compound is essential for industries requiring precise and reliable colorant intermediates or analytical reference standards. It is primarily sought by manufacturers and R&D laboratories in the pigments, dyes, and advanced materials sectors.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of high-performance organic pigments and azo dyes for textiles, inks, and plastics.
• Analytical Chemistry Standard: Used as a certified reference material (CRM) for method development and quality control in chromatographic analysis.
• Research & Development: Serves as a building block in organic synthesis for novel materials, including liquid crystals and functional polymers.
• Specialty Colorants: Employed in the formulation of specialized colorants for niche applications in coatings and advanced materials.
• Photographic Industry: Potential use in the synthesis of light-sensitive compounds and color couplers.

Basic Information

Product Name	2,4-Dihydro-4-[(3-Methoxyphenyl)Azo]-5-Methyl-2-Phenyl-3H-Pyrazol-3-One
CAS No.	86427-68-1
Molecular Formula	C17H16N4O2
Molecular Weight	308.34 g/mol
Synonyms	4-[(3-Methoxyphenyl)azo]-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one; 3H-Pyrazol-3-one, 2,4-dihydro-4-[(3-methoxyphenyl)azo]-5-methyl-2-phenyl-; Azo pyrazolone derivative; 3-Methoxy phenyl azo pyrazolone; 5-Methyl-2-phenyl-4-(3-methoxyphenylazo)-2,4-dihydro-3H-pyrazol-3-one; Disperse Yellow 119 (related dye class); C.I. 11167
EINECS	Contact for details

Quality Control

Our production of 2,4-Dihydro-4-[(3-Methoxyphenyl)Azo]-5-Methyl-2-Phenyl-3H-Pyrazol-3-One adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting industry and customer specifications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and supply chain reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which could affect product stability and performance.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 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.