Description

1H-Pyrazole, 4,4'-(1,3-Phenylene)Bis- is a high-purity organic building block and heterocyclic compound. This specialized chemical is valued for its rigid, symmetrical structure, making it a critical intermediate in advanced material science and pharmaceutical research. It is primarily sought by R&D chemists and process engineers in the fields of organic electronics, polymer chemistry, and medicinal chemistry for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key scaffold or linker in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Organic Electronic Materials: Used in the development of organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and other optoelectronic devices due to its conjugated system.
• Polymer & Resin Chemistry: Acts as a monomer or cross-linking agent for creating high-performance polymers, resins, and coordination polymers with specific thermal or mechanical properties.
• Ligand Synthesis: Employed in the preparation of polydentate ligands for catalysis and metal-organic frameworks (MOFs).
• Agrochemical Research: Utilized as a building block for developing new crop protection agents and herbicides.
• Dye & Pigment Industry: Functions as an intermediate in the synthesis of specialized dyes and functional colorants.

Basic Information

Item	Details
Product Name	1H-Pyrazole, 4,4'-(1,3-Phenylene)Bis-
CAS No.	958101-27-4
Molecular Formula	C12H10N4
Molecular Weight	210.24 g/mol
Synonyms	1,3-Bis(1H-pyrazol-4-yl)benzene; 4,4'-(1,3-Phenylene)dipyrazole; 1,3-Phenylenebis(1H-pyrazole); 1,3-Di(1H-pyrazol-4-yl)benzene; 4,4'-(m-Phenylene)dipyrazole; m-Phenylenebis(pyrazole); 958101-27-4; 1,3-Bis(4-pyrazolyl)benzene
EINECS	Contact for details

Quality Control

Every batch of our 1H-Pyrazole, 4,4'-(1,3-Phenylene)Bis- is produced and tested under a strict quality management system. We ensure high purity and batch-to-batch consistency through advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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