Description

2,2'-[1,4-Phenylenedi(Carbonyl)]Bis(n-Phenylhydrazinecarboxamide) is a specialized aromatic hydrazide derivative with a symmetrical, multi-functional structure. This compound is valued as a high-purity chemical intermediate for its ability to introduce specific functional groups and act as a building block in complex synthesis. It is primarily sought by research and development teams in the pharmaceutical and advanced materials sectors for creating novel active pharmaceutical ingredients (APIs) and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring symmetrical, multi-site functionalization.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for the production of high-performance polyamides, polyhydrazides, and other specialty polymers.
• Ligand Synthesis: Used in the development of chelating agents and ligands for catalytic systems or metal-organic frameworks (MOFs).
• Agrochemical Research: Intermediate in the creation of new herbicides, fungicides, or plant growth regulators with specific activity profiles.
• Dye and Pigment Manufacturing: Acts as a precursor for azo dyes and other colorants requiring a stable, symmetrical diazo component.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis and material science.

Basic Information

Product Name	2,2'-[1,4-Phenylenedi(Carbonyl)]Bis(n-Phenylhydrazinecarboxamide)
CAS No.	349622-01-1
Molecular Formula	C22H20N6O4
Molecular Weight	432.43 g/mol
Synonyms	1,4-Bis[2-(phenylcarbamoyl)hydrazinecarbonyl]benzene; N,N'-(1,4-Phenylenedicarbonyl)bis(N'-phenylcarbamohydrazide); Terephthalic acid bis(phenylcarbamoyl hydrazide); 1,4-Phenylenebis(oxycarbonylphenylhydrazinecarboxamide); Bis(phenylcarbamoyl hydrazide) of terephthalic acid; Phenylhydrazinecarboxamide, 2,2'-(1,4-phenylenedicarbonyl)bis-; Terephthaloyl bis(phenylsemicarbazide)
EINECS	Contact for details

Quality Control

Our production of 2,2'-[1,4-Phenylenedi(Carbonyl)]Bis(n-Phenylhydrazinecarboxamide) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and industrial use. All materials are fully characterized and tested. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

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 to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.