Description

4,4'-Bisbenzhydrazide is a high-purity organic compound primarily used as a key intermediate in the synthesis of polymers and specialty chemicals. Its rigid, symmetrical aromatic structure makes it a valuable building block for creating materials with enhanced thermal and mechanical properties. This product is essential for manufacturers in the polymer, pharmaceutical, and advanced materials sectors seeking reliable, high-quality raw materials for their synthesis processes.

Application

• Polymer Synthesis: A crucial monomer for producing high-performance polyhydrazides, polyoxadiazoles, and other heat-resistant polymers.
• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Liquid Crystal Polymers (LCPs): Used in the production of LCPs for electronics, aerospace, and automotive applications due to its rigid molecular structure.
• Crosslinking Agent: Functions as a crosslinker in epoxy resins and other thermosetting polymers to improve thermal stability and mechanical strength.
• Chelating Agent Precursor: Acts as a precursor for ligands and chelating agents used in metal ion sequestration and catalysis.
• Specialty Chemical Synthesis: Employed in organic synthesis for creating dyes, pigments, and other functional materials.

Basic Information

Product Name	4,4'-Bisbenzhydrazide
CAS No.	4073-75-0
Molecular Formula	C14H14N4O2
Molecular Weight	270.29 g/mol
Synonyms	1,1'-[1,1'-Biphenyl]-4,4'-diylbis-2-hydrozinecarboxamide; 4,4'-Biphenyldicarboxylic Dihydrazide; p,p'-Biphenyldicarboxylic Acid Dihydrazide; 4,4'-Dicarboxybiphenyl Dihydrazide; Biphenyl-4,4'-dicarbohydrazide; BPDH; Biphenyl-4,4'-dicarboxylic Acid Dihydrazide; 4,4'-Biphenylbis(hydrazide)
EINECS	223-779-5

Quality Control

Our 4,4'-Bisbenzhydrazide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for advanced synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	300 - 310 °C (dec.)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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