Cycloaliphatic tetracarboxylic dianhydrides are essential monomers for the production of high-performance polyimides and advanced polymer materials. Compared with conventional aromatic dianhydrides, these aliphatic structures offer excellent optical transparency, low dielectric constant, superior thermal stability, and improved processability, making them ideal for next-generation electronic and optoelectronic applications.
UCHEM offers a comprehensive portfolio of high-quality cyclohexane tetracarboxylic dianhydrides to meet the needs of research laboratories and industrial manufacturers.
Our Available Products
Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride (CAS 122640-83-9)
1,2,4,5-Cyclohexanetetracarboxylic Dianhydride (CHDA) (CAS 2754-41-8)
(1R,2S,4S,5R)-Cyclohexane-1,2,4,5-tetracarboxylic Dianhydride (CAS 1198787-91-5)
These dianhydrides are widely used in the synthesis of colorless polyimides (CPI), high-temperature engineering plastics, flexible electronic substrates, display materials, semiconductor insulation layers, photoelectric films, aerospace composites, and other advanced functional polymers.
The optically pure (1R,2S,4S,5R) isomer is particularly valuable for the preparation of high-performance polyimides requiring controlled stereochemistry, outstanding optical transparency, and enhanced mechanical properties.
Manufactured under strict quality control, UCHEM's dianhydride products provide high purity, excellent batch consistency, and reliable performance for demanding polymer synthesis. We support both research-scale development and commercial production with flexible packaging and customized manufacturing services.
With extensive expertise in polyimide monomers and specialty electronic materials, UCHEM is committed to providing dependable products, stable supply, and professional technical support to customers worldwide.
