Basic Info:

  • Chemical Synonym(s): Cyclopentasiloxane, decamethyl-; DecaMethylcyclopentasiloxane; 2,2,4,4,6,6,8,8,10,10-decamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane; D5 Cyclomethicone;
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  • CAS Number: 541-02-6
  • Chemical Formula:

    C 10 H 30 O 5 Si 5


Melting point
Boiling point
90 °C/10 mmHg (lit.)
0.958 g/mL at 25 °C (lit.)
Storage temp
Appearance & Physical State
Flash Point
162 °F
Refractive Index
Stable. Incompatible with strong oxidizing agents.
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它还用作许多有机硅聚合物的溶剂,例如聚二甲基硅氧烷和环聚二甲基硅氧烷。它可以使用化学反应生产,包括通过中间体四氟化硅氟化碳 - 硅键和每端含有一个硅原子的环状硅氧烷的氢氟化。






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