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Octamethylcyclotetrasiloxane D4 Silicone Intermediate

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December 26, 2025
Category Connection: Industrial Chemicals
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Tags:
#industrial chemical powder #chemicals raw materials #chem raw material
Brief: See how this offering can bring practical value to common tasks and projects. In this video, we explore Octamethylcyclotetrasiloxane D4, a key silicone intermediate. You'll learn about its synthesis from dimethyl dichlorosilane, its role in creating silicone polymers, and its versatile applications in personal care, industrial goods, automotive, and textiles. Discover how this colorless, odorless liquid functions as an emollient, solvent, and stabilizer to enhance product performance.
Related Product Features:
  • Octamethylcyclotetrasiloxane D4 is a colorless, transparent, and odorless combustible liquid.
  • It is derived from hydrolysis and synthesis of dimethyl dichlorosilane, followed by separation and distillation.
  • This cyclic siloxane serves as a key silicone intermediate for synthesizing various polymers and copolymers.
  • It acts as an emollient, providing a smooth, silky feel in cosmetic and personal care formulations.
  • D4 functions as a solvent to improve the stability and performance of various product formulations.
  • It serves as a stabilizing agent in lubricants, release agents, and other industrial applications.
  • Common applications include personal care products, industrial silicone elastomers, sealants, and automotive lubricants.
  • It is also used in textile treatments to impart water repellency and other functional properties.
FAQs:
  • What is Octamethylcyclotetrasiloxane (D4)?
    D4 is a cyclic siloxane, specifically Octamethylcyclotetrasiloxane, commonly used as a silicone intermediate and emollient in various industrial and personal care formulations.
  • What are the primary applications of Octamethylcyclotetrasiloxane D4?
    D4 is widely used in personal care products like creams and lotions, industrial applications such as silicone elastomers and sealants, automotive lubricants, and textile treatments for water repellency.
  • Is Octamethylcyclotetrasiloxane D4 safe for use in cosmetics?
    D4 is subject to regulatory assessments; it is essential to comply with local regulations and guidelines regarding its use in cosmetic and personal care products.
  • How should Octamethylcyclotetrasiloxane D4 be stored?
    It should be stored in a cool, dry place, away from heat sources and incompatible materials, to maintain its quality and stability.
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