Description

1-(2,5-Dichlorophenyl)-3-Amino-5-Pyrazolone is a versatile heterocyclic organic compound belonging to the pyrazolone class, characterized by its amino and dichlorophenyl functional groups. This structure makes it a valuable key intermediate in the synthesis of more complex molecules, particularly in the production of high-performance dyes and pigments. It is primarily sought after by manufacturers in the fine chemical, pharmaceutical, and agrochemical industries for research and development as well as commercial-scale synthesis.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing azo dyes and other complex colorants, offering excellent lightfastness and color properties.
• Pharmaceutical Synthesis: Serves as a key precursor in the research and development of active pharmaceutical ingredients (APIs), particularly those with heterocyclic frameworks.
• Agrochemical Active Ingredient Synthesis: Used in the manufacture of herbicides, fungicides, and insecticides, leveraging its bioactive pyrazolone core.
• Chemical Research & Development: Employed as a versatile reagent in organic synthesis for constructing novel molecular architectures in academic and industrial labs.
• Photographic Chemical: Can be utilized in the formulation of specialized chemicals for photographic and imaging applications.
• Material Science: Investigated for use in the development of advanced organic materials and functional polymers.

Basic Information

Product Name	1-(2,5-Dichlorophenyl)-3-Amino-5-Pyrazolone
CAS No.	22123-20-2
Molecular Formula	C9H7Cl2N3O
Molecular Weight	244.08 g/mol
Synonyms	3-Amino-1-(2,5-dichlorophenyl)-5-pyrazolone; 1-(2,5-Dichlorophenyl)-5-pyrazol-3-amine; 5-Pyrazolone, 3-amino-1-(2,5-dichlorophenyl)-; 3-Amino-1-(2,5-dichlorophenyl)-2-pyrazolin-5-one; 1-(2,5-Dichlorophenyl)-3-amino-5-pyrazolone; 2,5-Dichlorophenyl-3-amino-5-pyrazolone; 3-Amino-1-(2,5-dichlorophenyl)pyrazol-5-one
EINECS	Contact for details

Quality Control

Our 1-(2,5-Dichlorophenyl)-3-Amino-5-Pyrazolone is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity, consistency, and traceability. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP and ISO 9001 standards where applicable, ensuring reliability for your critical synthesis processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.5%

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