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Product Code:SP206

Product Name:Octaphenylcyclotetrasiloxane

Product Introduction:

This product is prepared from phenyl chlorosilane via controlled hydrolysis and cyclocondensation reactions, then purified by recrystallization to effectively eliminate linear oligomers and impurities. It features high purity, stable melting point and excellent batch consistency. It is a white crystalline solid with a stable cyclic phenyl structure. It possesses superior thermal stability, outstanding resistance to high temperature, radiation and aging, as well as good hydrophobicity and electrical insulation. With high chemical inertness, it is resistant to decomposition and deterioration, and shows excellent compatibility with organosilicon systems.

Basic Information

  • Chinese name:八苯基环四硅氧烷
  • CAS number:[546-56-5]
  • Molecular formula:C₄₈H₄₀O₄Si₄

Structural formula

Physical properties

  • Molecular Weight:793.18
  • Flash Point:>200℃
  • Boiling Point:332℃
  • Refractive Index nD201.661

Product standard

  • Q/LXB 0006-2025

Technical indicators

Project Indicator
Appearance White granular or powdery solid
Purity, % ≥99.0
Melting Point, ℃ >180

Characteristic advantages

  • Thermal stability.
  • Chemical resistance.
  • Low surface tension.
  • Excellent compatibility.
  • Improve flame and moisture resistance without affecting other factors.

Application field

  • Used in synthesis of epoxy resins and polymers.
  • Used as flame retardant and moisture-proof agent.
  • Used as an anti-fouling coating to increase film flexibility and reduce bubbles in the process.
  • Raw materials for the synthesis of silicone products and pharmaceutical intermediates.
  • Used in the production of phenyl silicone rubber and other silicon materials.

Safe handling

  • Wear eye protection and protective gloves as required while handling the product.
  • Use the product in a well ventilated area.
  • Please consult our MSDS.

Use storage

  • When stored in its original container below 40°C and unopen, the shelf life is 2 years. It can still be used after re-inspection.
  • Store in a cool and dry place out of direct sunlight.
  • Keep out of the reach of children.

Packaging Information

  • Available in 25KGS drum or 100KGS drum.