Description

3-Amino-5-(p-Aminophenyl)-Pyrazole is a high-purity, bifunctional aromatic heterocyclic compound featuring both pyrazole and aniline moieties. This unique structure makes it a versatile and valuable advanced pharmaceutical intermediate and organic synthesis building block. It is primarily utilized by R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, and kinase inhibitors.
• Agrochemical Synthesis: Serves as a core building block for developing new-generation herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Dye and Pigment Manufacturing: Used in the production of high-performance, color-fast azo dyes and organic pigments due to its dual amino functional groups.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers, such as polyimides and epoxy resins, to improve thermal and mechanical properties.
• Coordination Chemistry & Ligand Synthesis: Employed to create chelating ligands for metal-organic frameworks (MOFs) and catalysts.
• Research & Development: Essential for academic and industrial research in medicinal chemistry and material science for exploring new chemical entities.

Basic Information

Product Name	3-Amino-5-(p-Aminophenyl)-Pyrazole
CAS No.	802863-65-6
Molecular Formula	C9H10N4
Molecular Weight	174.21 g/mol
Synonyms	5-(4-Aminophenyl)-1H-pyrazol-3-amine; 3-Amino-5-(4-aminophenyl)pyrazole; 1H-Pyrazol-3-amine, 5-(4-aminophenyl)-; 5-(4-Aminophenyl)-3-aminopyrazole; 4-(3-Amino-1H-pyrazol-5-yl)aniline; p-(3-Amino-1H-pyrazol-5-yl)aniline
EINECS	Contact for details

Quality Control

Our 3-Amino-5-(p-Aminophenyl)-Pyrazole is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment, detailing all critical quality attributes. We support cGMP and ISO compliant production for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 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.