Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Eastman CHDA-HP 1,4-Cyclohexanedicarboxylic Acid

Eastman CHDA-HP is a high-purity, cis-rich 1,4-cyclohexanedicarboxylic acid from Eastman’s CHDA series—designed for premium polyester resins and UV-curable coatings. Its optimized stereochemistry enhances clarity, weatherability, and hydrolytic stability versus terephthalic acid. Ideal for can coatings, coil coatings, and specialty polyesters requiring low color, low volatility, and superior film performance.
  • eastman chda hp 1 4 cyclohexanedicarboxylic acid_bce0ddf1
  • eastman chda hp 1 4 cyclohexanedicarboxylic acid_bce0ddf1

Features Of Eastman CHDA-HP 1,4-Cyclohexanedicarboxylic Acid

  1. High-purity trans-isomer content (>99% trans-CHDA), ensuring consistent reactivity and polymer performance.

  2. Low color and minimal volatile organic impurities, supporting high-clarity coatings and sensitive optical applications.

  3. Excellent thermal stability and hydrolytic resistance, enabling robust processing in high-temperature polycondensation reactions.

  4. Non-phthalate, REACH-compliant alternative for sustainable polyester and alkyd resin formulations.

  5. Optimized particle size distribution for improved handling, dissolution, and metering in industrial-scale reactors.

Typical Applications Of Eastman CHDA-HP 1,4-Cyclohexanedicarboxylic Acid

  1. Coating resins — especially high-performance polyester and acrylic-polyester hybrid binders for automotive and coil coatings.

  2. Engineering thermoplastics — as a rigid comonomer in polyesters (e.g., PETG, PCTG analogs) for improved toughness and UV stability.

  3. UV-curable resins — used in cationic and free-radical systems requiring low shrinkage and enhanced adhesion.

  4. Plasticizers for specialty polymers — where non-migrating, low-volatility alternatives to ortho-phthalates are required.

  5. Adhesives and sealants — incorporated into saturated polyester polyols for enhanced flexibility and chemical resistance.

Specifications Of Eastman CHDA-HP 1,4-Cyclohexanedicarboxylic Acid

Chemical Type1,4-Cyclohexanedicarboxylic acid (trans-rich isomer)
Product FormWhite crystalline solid
AppearanceFree-flowing granules or fine crystalline powder
Assay (by titration)≥ 99.0 wt%
Trans Isomer Content> 99.0% (by GC)
Color (APHA)≤ 30
Moisture Content≤ 0.2 wt%
Residue on Ignition≤ 0.1 wt%


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