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CAS 541-02-6

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Decamethylcyclopentasiloxane

Description:
Decamethylcyclopentasiloxane, commonly referred to as D5, is a cyclic siloxane compound characterized by its unique structure consisting of a ring of five silicon atoms, each bonded to two methyl groups. This compound is a clear, colorless liquid with a low viscosity and a low surface tension, making it highly effective as a lubricant and emollient in various applications. D5 is known for its thermal stability and resistance to oxidation, which contributes to its longevity in formulations. It is often used in personal care products, such as shampoos and lotions, due to its ability to impart a silky feel and enhance spreadability. Additionally, D5 exhibits low toxicity and is considered environmentally friendly, although its environmental impact has been a subject of regulatory scrutiny. Its volatility allows for easy evaporation, which can be advantageous in certain applications but may also raise concerns regarding air quality. Overall, Decamethylcyclopentasiloxane is valued for its multifunctional properties in both industrial and consumer products.
Formula:C10H30O5Si5
InChI:InChI=1S/C10H30O5Si5/c1-16(2)11-17(3,4)13-19(7,8)15-20(9,10)14-18(5,6)12-16/h1-10H3
InChI key:InChIKey=XMSXQFUHVRWGNA-UHFFFAOYSA-N
SMILES:C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1
Synonyms:
  • 2,2,4,4,6,6,8,8,10,10-Decamethyl-1,3,5,7,9,2,4,6,8,10-Pentoxapentasilecane
  • 2,2,4,4,6,6,8,8,10,10-Decamethylcyclopentasiloxane
  • Botanisil CP 33
  • Brn 1800166
  • Ccris 1328
  • Cyclic dimethylsiloxane pentamer
  • Cyclo-decamethylpentasiloxane
  • Cyclomethicone pentamer 245
  • Cyclopentadimethylsiloxane
  • Cyclopentasiloxane
  • See more synonyms
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