Description

Terephthalic Acid, 2,5-Bis[(1,2-Diphenylhydrazino)Hydroxymethyl]-, Di--γ--Lactone (4Ci) is a specialized organic compound featuring a complex molecular architecture that combines terephthalic acid, hydrazine, and lactone functionalities. This unique structure makes it a valuable advanced intermediate or functional additive in the synthesis of high-performance polymers and specialty chemicals. It is primarily sought by research institutions, pharmaceutical developers, and advanced material scientists for applications requiring precise molecular design.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the research and development of novel active pharmaceutical ingredients (APIs), particularly for complex heterocyclic compounds.
• Polymer Chemistry: Used in the synthesis of specialty polyamides, polyesters, or polyhydrazides with tailored thermal and mechanical properties for high-performance plastics and fibers.
• Ligand Synthesis: Acts as a precursor for creating sophisticated chelating agents or ligands used in catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Research: Employed in the development of new organic colorants and functional dyes due to its conjugated system and potential for chromophore modification.
• Cross-linking Agent: Functions as a potential cross-linker in epoxy resins or other thermoset polymers to enhance network density and stability.
• Academic & Industrial R&D: A critical reagent for exploratory synthetic chemistry and material science projects in both commercial and academic laboratories.

Basic Information

Product Name	Terephthalic Acid, 2,5-Bis[(1,2-Diphenylhydrazino)Hydroxymethyl]-, Di--γ--Lactone (4Ci)
CAS No.	857958-34-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	2,5-Bis[(1,2-diphenylhydrazino)hydroxymethyl]terephthalic acid di-γ-lactone; 1,4-Benzenedicarboxylic acid, 2,5-bis[(1,2-diphenylhydrazino)hydroxymethyl]-, di-γ-lactone; Terephthalic acid derivative lactone; Diphenylhydrazinomethyl terephthalate lactone; (4Ci) designated compound 857958-34-0
EINECS	Contact for details

Quality Control

Every batch of this high-purity specialty chemical is produced and analyzed under strict quality protocols. We provide a comprehensive Certificate of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our quality system is designed to meet the exacting standards of research and development applications, ensuring batch-to-batch consistency and reliability for your critical synthetic work.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Due to its light-sensitive nature and propensity to be easily oxidized, prolonged exposure to light, air, or elevated temperatures should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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