Description

2,5-Bis(3-(Ethylthio)Propoxy)Terephthalohydrazide is a specialized organic compound featuring a terephthalohydrazide core symmetrically functionalized with ethylthio-propoxy chains. This molecular architecture makes it a valuable intermediate for synthesizing advanced polymers and functional materials, particularly those requiring specific thermal or chemical resistance properties. It is primarily utilized by R&D chemists and process engineers in the polymer, specialty chemical, and advanced material manufacturing sectors.

Application

• Polymer Synthesis: A key monomer or chain extender for producing high-performance polyamides, polyimides, and polyhydrazides with enhanced thermal stability.
• Liquid Crystal Polymers (LCPs): Serves as a building block in the synthesis of LCPs for electronics, displays, and high-temperature applications.
• Functional Additives: Used in the development of additives for coatings, adhesives, and composites to impart specific chemical or physical properties.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Coating Resins: A precursor for specialty coating resins that require durability and resistance to environmental factors.
• Chemical Research: A versatile intermediate in organic synthesis and material science research for creating novel molecular structures.

Basic Information

Product Name	2,5-Bis(3-(Ethylthio)Propoxy)Terephthalohydrazide
CAS No.	1591732-98-7
Molecular Formula	C₂₀H₃₂N₄O₄S₂
Molecular Weight	456.62 g/mol
Synonyms	2,5-Bis[3-(ethylthio)propoxy]terephthalic dihydrazide; 1,4-Bis[3-(ethylsulfanyl)propoxy]benzene-2,5-dicarbohydrazide; Terephthalic acid, 2,5-bis[3-(ethylthio)propoxy]-, dihydrazide; BEPT; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 2,5-Bis(3-(Ethylthio)Propoxy)Terephthalohydrazide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are provided with every shipment and are available upon request to support your quality assurance protocols.

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). Due to its light-sensitive and easily oxidized nature, it is recommended to store this material under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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