Description

2,5-Cyclohexadiene-1,4-Dicarboxylic Acid is a high-purity, versatile organic intermediate with a unique diene-diacid structure. This compound is valued for its role as a key building block in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for producing specialty polymers with tailored thermal or mechanical properties.
• Ligand and Catalyst Development: Employed in the preparation of novel chelating ligands and organometallic catalysts for asymmetric synthesis.
• Academic & Industrial Research: A valuable reagent for methodological development in organic chemistry and material science research.
• Fine Chemical Production: Utilized in the multi-step synthesis of dyes, pigments, and other high-value fine chemicals.

Basic Information

Product Name	2,5-Cyclohexadiene-1,4-Dicarboxylic Acid
CAS No.	619-83-0
Molecular Formula	C8H8O4
Molecular Weight	168.15 g/mol
Synonyms	1,4-Dihydrophthalic Acid; 1,4-Dihydrobenzene-1,4-dicarboxylic Acid; 1,4-Cyclohexadiene-1,4-dicarboxylic Acid; Dihydrophthalic Acid; NSC 403697; 2,5-Dihydroterephthalic Acid
EINECS	210-607-5

Quality Control

Our 2,5-Cyclohexadiene-1,4-Dicarboxylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which may affect product stability and performance.

Specification

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

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