Description

1,3-Cyclohexanedicarboxylic Acid is a versatile alicyclic dicarboxylic acid building block prized for its unique conformational properties and reactivity. This compound is essential for the synthesis of high-performance polymers, specialty plasticizers, and complex pharmaceutical intermediates. It serves a critical role for R&D chemists and production engineers in the polymer, fine chemical, and advanced material industries seeking to develop products with enhanced thermal stability and specific mechanical properties.

Application

• Polymer Synthesis: A key monomer for producing polyamides (nylons), polyesters, and other engineering plastics with improved heat resistance and mechanical strength.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules, leveraging its rigid cyclohexane backbone.
• Specialty Plasticizers and Additives: Serves as a precursor for non-phthalate plasticizers and performance additives for PVC and other polymer systems.
• Epoxy Resin Hardeners: Functions as a curing agent or hardener component in epoxy resin formulations, contributing to cross-linking density.
• Corrosion Inhibitors: Utilized in the formulation of metal treatment and coating products.
• Lubricant and Fuel Additives: Acts as an intermediate for synthesizing additives that improve lubricity and stability.
• Organic Synthesis Building Block: A valuable starting material for Diels-Alder reactions, hydrogenation studies, and the preparation of complex cyclic compounds in R&D.

Basic Information

Product Name	1,3-Cyclohexanedicarboxylic Acid
CAS No.	3971-31-1
Molecular Formula	C8H12O4
Molecular Weight	172.18 g/mol
Synonyms	Cyclohexane-1,3-dicarboxylic Acid; 1,3-CHDA; Hexahydroisophthalic Acid; 1,3-Dicarboxycyclohexane; NSC 9235; Cyclohexanedicarboxylic Acid (mixed isomers); Isophthalic Acid, Hexahydro-; 1,3-Cyclohexanedicarboxylic Acid (cis- and trans- mixture)
EINECS	223-598-8

Quality Control

Our 1,3-Cyclohexanedicarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and impurity profiles. Certificates of Analysis (COA) documenting results for key parameters such as assay, isomer ratio, moisture content, and heavy metals are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture which may affect quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Isomer Ratio (cis/trans)	Contact for details
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.