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

Eastman TMPD Glycol Prills 2,2,4-Trimethyl-1,3-Pentanediol

Eastman TMPD Glycol Prills (2,2,4-Trimethyl-1,3-pentanediol) is a high-purity, free-flowing prill form of Eastman’s TMPD glycol series—offering low volatility, excellent solvency, and superior compatibility in coatings, inks, and adhesives. Its branched diol structure delivers enhanced stability, reduced odor, and improved film formation versus conventional glycols.
  • eastman tmpd glycol prills 2 2 4 trimethyl 1 3 pentanediol_4f45da69
  • eastman tmpd glycol prills 2 2 4 trimethyl 1 3 pentanediol_4f45da69

Features Of Eastman TMPD Glycol Prills 2,2,4-Trimethyl-1,3-Pentanediol

  1. Low volatility and high boiling point for improved process safety and reduced VOC emissions.

  2. Excellent solvency for cellulose esters, acrylics, and alkyd resins in coating formulations.

  3. Non-yellowing diol functionality enhances long-term clarity and color stability in clear coatings.

  4. Free-flowing prill form enables dust-free handling, precise metering, and easy integration into dry-blend systems.

  5. Low water solubility facilitates phase separation control in water-reducible and hybrid coating systems.

Typical Applications Of Eastman TMPD Glycol Prills 2,2,4-Trimethyl-1,3-Pentanediol

  1. High-solids industrial coatings for automotive refinish and OEM applications.

  2. Architectural and maintenance coatings requiring low-VOC compliance and extended pot life.

  3. UV-curable hybrid systems where controlled reactivity and film flexibility are critical.

  4. Wood coatings demanding excellent flow, leveling, and resistance to blush and solvent pop.

  5. Specialty inks and overprint varnishes requiring non-migrating, low-odor plasticization.

Specifications Of Eastman TMPD Glycol Prills 2,2,4-Trimethyl-1,3-Pentanediol

Chemical TypeBranched-chain aliphatic diol
Product FormFree-flowing white prills
AppearanceWhite to off-white crystalline solid
Molecular Weight146.2 g/mol
Melting Point78–82 °C
Boiling Point250–260 °C (at 760 mmHg)
Primary ApplicationsSolvent carrier and reactive diluent in high-performance coatings and inks
Key FeaturesLow volatility, low odor, non-yellowing, and excellent compatibility with common film formers


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