Description

3,3'-[1,3-Phenylenebis(Oxy)]Dipropionodihydrazide is a specialized aromatic dihydrazide compound with significant utility as a high-performance crosslinking and chain-extending agent. Its molecular structure, featuring a central phenylene core linked via ether bridges to hydrazide functionalities, makes it a critical intermediate for synthesizing polymers with enhanced thermal and mechanical properties. This product is essential for manufacturers in the polyurethane, polyamide, and epoxy resin industries, where it is used to create high-strength adhesives, coatings, and engineering plastics.

Application

• Polymer Crosslinking Agent: A key component in the production of high-performance polyurethanes and polyamides, improving tensile strength and thermal stability.
• Chain Extender for Elastomers: Used to modify the properties of thermoplastic polyurethane (TPU) and other elastomers, enhancing durability and elasticity.
• Epoxy Resin Hardener: Functions as a curing agent for epoxy systems, contributing to improved chemical resistance and adhesion in coatings and composites.
• Synthesis of High-Temperature Polymers: Serves as a monomer for manufacturing polyhydrazides and polyoxadiazoles used in aerospace and electronics.
• Adhesive Formulation: Imparts enhanced bonding strength and flexibility to industrial and structural adhesives.
• Pharmaceutical Intermediate: Utilized in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals requiring precise molecular architecture.

Basic Information

Product Name	3,3'-[1,3-Phenylenebis(Oxy)]Dipropionodihydrazide
CAS No.	88515-90-6
Molecular Formula	C14H20N4O4
Molecular Weight	308.33 g/mol
Synonyms	1,3-Bis(3-hydrazinyl-3-oxopropoxy)benzene; m-Phenylenebis(oxy-2,1-ethanediyl)bispropanehydrazide; 1,3-Phenylenebis(oxy-2,1-ethanediyl) 3,3'-dihydrazide; BPO; POP Dihydrazide; m-Phenylene Dihydrazide Ether; Crosslinking Agent POP; Resorcinol bis(2-carboxyethyl) ether dihydrazide
EINECS	Contact for details

Quality Control

Our 3,3'-[1,3-Phenylenebis(Oxy)]Dipropionodihydrazide is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including identification, assay, and impurity profiling. Certificates of Analysis (COA) detailing all test results are provided and can be tailored to meet specific customer or regulatory requirements.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under dry conditions. For long-term storage, consider using an inert atmosphere to prevent oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 195 °C
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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