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

DOW XIAMETER PMX-0244 Cyclotetrasiloxane

DOW XIAMETER PMX-0244 Cyclotetrasiloxane is a high-purity, low-viscosity cyclic silicone fluid from Dow’s XIAMETER portfolio. Designed for personal care and specialty applications, it offers excellent spreading, volatility control, and compatibility with actives. Its consistent quality and regulatory compliance support stable formulations in antiperspirants, haircare, and skin treatments.
  • dow xiameter pmx 0244 cyclotetrasiloxane_4400f90f
  • dow xiameter pmx 0244 cyclotetrasiloxane_4400f90f

Features Of DOW XIAMETER PMX-0244 Cyclotetrasiloxane

  1. High-purity, low-volatility D4 cyclotetrasiloxane optimized for controlled polymerization in silicone synthesis.

  2. Consistent molecular structure ensures reproducible reactivity and predictable rheological performance in downstream formulations.

  3. Low residual catalyst and hydrolyzable impurities, supporting stringent quality requirements for medical-grade and electronics-grade silicones.

  4. Excellent thermal and hydrolytic stability under standard storage and handling conditions.

  5. Compatible with conventional anionic, cationic, and ring-opening polymerization processes for linear and branched polydimethylsiloxanes (PDMS).

Typical Applications Of DOW XIAMETER PMX-0244 Cyclotetrasiloxane

  1. Raw material for manufacturing high-molecular-weight PDMS fluids used in personal care emulsions and conditioners.

  2. Monomer feedstock in the production of silicone elastomers for automotive sealing and vibration damping components.

  3. Key building block for optical-grade silicone resins in LED encapsulation and lens coatings.

  4. Intermediate in synthesis of functionalized siloxanes for specialty release coatings and industrial adhesives.

  5. Enabling monomer for biocompatible silicone hydrogels in contact lens and implantable device applications.

Specifications Of DOW XIAMETER PMX-0244 Cyclotetrasiloxane

Chemical TypeCyclotetrasiloxane (D4), octamethylcyclotetrasiloxane
Product FormLiquid
AppearanceClear, colorless, odorless liquid
Molecular Weight296.5 g/mol
Boiling Point (760 mmHg)175–177 °C
Density at 25 °C0.950–0.955 g/cm³
Refractive Index at 25 °C1.397–1.399
Water Content (KF)< 50 ppm


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