Decamethylcyclopentasiloxane CAS 541-02-6

Factory Supply Decamethylcyclopentasiloxane CAS 541-02-6 with Best Price

  • Appearance: Colorless liquid
  • Purity: 99. 0%min
  • Stock: In stock
  • Sample: Available
  • Zhishang Chemical: Decamethylcyclopentasiloxane Supplier & Manufacturer

Basic Info of Decamethylcyclopentasiloxane

What is Decamethylcyclopentasiloxane?

Decamethylcyclopentasiloxane (D 5) is a silicone compound with the molecular formula of [(CH 3) 2SiO] 5. It is a colorless and tasteless liquid with slight volatility.

Cyclopentasiloxane CAS No. 541-02-6, chemical formula C10H30O5Si5, molecular weight 370.77000, Chinese alias decamethylcyclopentasiloxane, liquid, boiling point 90 °C10 mm Hg(lit.), flash point 162 °F, density 0.958 g/mL at 25 °C(lit.), refractive index n20/D 1.396(lit.). Decamethylcyclopentasiloxane (cyclopentasiloxane) is a colorless, odorless, volatile liquid cyclic siloxane, safe and environmentally friendly, and has been widely used in health and beauty products , such as deodorants, antiperspirants, cosmetics, shampoos, body lotions, etc. Good compatibility with alcohol and most other cosmetic solvents.

Cyclopentasiloxane (D5), octamethylcyclotetrasiloxane (D4) and tetramethyltetravinylcyclotetrasiloxane (D4vi) are all important intermediate monomers, which can be combined with End-capping agents such as hexamethyldisiloxane, tetramethyldivinyldisiloxane (DVTMDS) or tetramethyldihydrodisiloxane are used for ring-opening copolymerization to prepare silicone oil, silicone rubber, silicone resin, etc. The purity of the monomer directly affects the quality of silicone oil, silicone rubber, etc., so controlling the purity of the monomer is one of the important technical links in the preparation of high-quality silicone materials, and the physicochemical data of these raw materials provides a reliable basis for its separation and purification process. .

Decamethylcyclopentasiloxane Uses

  1. It is classified as decycloyloxane. This liquid is commonly used in cosmetics, such as deodorants, sunscreens, hair gels and skin care products.
  2. Decamethylcyclopentasiloxane is becoming more and more common in hair conditioners because it makes hair easier to comb without breaking.
  3. Decamethylcyclopentasiloxane is also used as part of silicone based personal lubricants. D 5 is considered a emollient.
  4. In Canada, about 70% of decamethylcyclopentasiloxane consumer products are used for antiperspirants and 20% for hair care products.
  5. Decamethylcyclopentasiloxane is widely used in cosmetic and body care products and has good compatibility with most alcohols and other cosmetic solvents.

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This is William, CEO of Zhishang Chemical Co., Ltd.

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Application of Decamethylcyclopentasiloxane

Cyclopentamethicone is widely used in cosmetics and body care products and has good compatibility with most alcohols and other cosmetic solvents. Application examples are as follows:


  1. Decamethylcyclopentasiloxane – PubChem
  2. Record of Decamethylcyclopentasiloxan in the GESTIS Substance Database of the Institute for Occupational Safety and Health.
  3. Lv Yehong, Hu Yuqian, Dong Hong, Wu Chuan. Study on the Excess Volume Properties of Decamethylcyclopentasiloxane and Three Organosilicon Compounds. Journal of Hangzhou Normal University (Natural Science Edition), Vol. 17, No. 3, May 2018

Decamethylcyclopentasiloxane Supplier and Manufacturer

As a decamethylcyclopentasiloxane supplier and manufacturer with a strict standard product quality system certificate, Zhishang Chemical has long been providing the best decamethylcyclopentasiloxane raw materials to customers all over the world.

Over the years, relying on professional team experience and customer-centric team concept to meet customer needs in a timely manner, our company enjoys a high reputation in the world. At present, our company has served more than 6,000 customers and has established long-term cooperative relations with customers from many countries.

If you have a demand for decamethylcyclopentasiloxane and related products, please contact our service staff Zhishang Chemical – White directly, and we will provide you with high-quality products at the best price.

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