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CAS 3390-61-2

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Trimethylpentaphenyltrisiloxane

Description:
Trimethylpentaphenyltrisiloxane, with the CAS number 3390-61-2, is a siloxane compound characterized by its unique structure, which includes a siloxane backbone with multiple phenyl groups and trimethyl groups attached. This compound typically exhibits high thermal stability and excellent resistance to oxidation, making it suitable for various applications, including as a lubricant, surfactant, or in silicone formulations. Its phenyl groups contribute to enhanced optical clarity and UV stability, while the trimethyl groups provide flexibility and low surface tension. Additionally, trimethylpentaphenyltrisiloxane is often used in formulations requiring low volatility and high performance under extreme conditions. The presence of both phenyl and trimethyl groups allows for a balance between rigidity and flexibility, which can be advantageous in applications such as coatings, adhesives, and sealants. Overall, this compound is valued for its unique properties that enhance the performance of materials in diverse industrial applications.
Formula:C33H34O2Si3
InChI:InChI=1S/C33H34O2Si3/c1-36(29-19-9-4-10-20-29,30-21-11-5-12-22-30)34-38(3,33-27-17-8-18-28-33)35-37(2,31-23-13-6-14-24-31)32-25-15-7-16-26-32/h4-28H,1-3H3
InChI key:InChIKey=PHLASVAENYNAOW-UHFFFAOYSA-N
SMILES:[Si](O[Si](O[Si](C)(C1=CC=CC=C1)C2=CC=CC=C2)(C)C3=CC=CC=C3)(C)(C4=CC=CC=C4)C5=CC=CC=C5
Synonyms:
  • 1,1,1-Trimethyl-3,3,5,5,5-Pentaphenyltrisiloxane
  • 1,1,3,5,5-Pentaphenyl-1,3,5-trimethylsiloxane
  • 1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane
  • Dc 555
  • Dc 705
  • Dow Corning 555
  • Dow Corning 555 Cosmetic Fluid
  • Dow Corning 705
  • Dow Corning PH 1555HRI
  • Fz 3156
  • See more synonyms
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