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1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,13-Hexadecamethylheptasiloxane

  • CAS No. 541-01-5

  • Cat. No. CS-0186278
  • Purity≥97%
  • MDL No.None

*For research and further manufacturing use only, not for direct human use.

1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,13-Hexadecamethylheptasiloxane|CS-0186278

Structure of 541-01-5

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General Information

  • CAS No. 541-01-5
  • Cat. No. CS-0186278
  • Purity ≥97%
  • MDL No. None
  • Storage 4°C, sealed storage, away from moisture
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₁₆H₄₈O₆Si₇
  • Molecular Weight 533.15
  • Synonym(s) Hexadecamethylheptasiloxane
  • SMILES C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C

Description

1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,13-Hexadecamethylheptasiloxane features a linear siloxane backbone densely functionalized with methyl groups, conferring exceptional thermal stability and low surface energy. This highly branched structure enhances volatility control and provides superior hydrophobicity, making it ideal for use in silicone-based coatings, release agents, and high-performance lubricants where oxidative resistance and inertness are critical.

Application

1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,13-Hexadecamethylheptasiloxane serves as a highly stable, low-viscosity siloxane fluid with exceptional thermal and oxidative resistance. Its fully methyl-substituted backbone enables excellent hydrophobicity and chemical inertness, making it ideal for use in high-performance lubricants, encapsulants, and silicone-based coatings. The molecule's symmetrical structure facilitates ease of purification and compatibility with a wide range of industrial processing conditions.

Synthesis

  • Route1

    References

    • Journal of the American Chemical Society, , vol. 68, p. 2294 - 2298
  • Route2
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      1825-62-3
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      78-62-6
    • ~%
    • In-stock
      1,1,1,3,3,5,5,7,7,9,9,11,11,13,13,13-Hexadecamethylheptasiloxane|CS-0186278
      541-01-5

    References

    • US2441098 , ; US2457677 , ; Journal of the American Chemical Society, , vol. 68, p. 2289
  • Route3

    References

    • Journal of the American Chemical Society, , vol. 68, p. 2284 - 2290 Si: MVol.C, 103, page 282 - 285

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302
Precautionary Statements : P264-P270-P330-P501

Quality Control

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Computational Chemistry Data

  • TPSA   55.38
  • LogP   6.2648
  • H_Acceptors   6
  • H_Donors   0
  • Rotatable_Bonds   12

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