CymitQuimica logo

CAS 1438-82-0

:

Pentamethyldisiloxane

Description:
Pentamethyldisiloxane, with the CAS number 1438-82-0, is a siloxane compound characterized by its unique structure, which consists of a siloxane backbone with five methyl groups attached to silicon atoms. This compound is typically a colorless, odorless liquid that exhibits low viscosity and low surface tension, making it useful in various applications. Its chemical stability and resistance to moisture and heat contribute to its effectiveness as a lubricant, surfactant, and in formulations for personal care products. Pentamethyldisiloxane is also known for its low toxicity and biocompatibility, which makes it suitable for use in cosmetic and pharmaceutical applications. Additionally, it has excellent thermal stability and can maintain its properties over a wide temperature range. The compound's unique properties allow it to be utilized in diverse fields, including industrial applications, silicone rubber production, and as a component in sealants and adhesives. Overall, pentamethyldisiloxane is valued for its versatility and performance in various chemical formulations.
Formula:C5H16OSi2
InChI:InChI=1S/C5H16OSi2/c1-7(2)6-8(3,4)5/h7H,1-5H3
InChI key:InChIKey=AOJHDNSYXUZCCE-UHFFFAOYSA-N
SMILES:O([Si](C)(C)C)[SiH](C)C
Synonyms:
  • 1,1,1,3,3-Pentamethyldisiloxane
  • 1,1,3,3,3-Pentamethyldisiloxane
  • Dimethyl(trimethylsiloxy)silane
  • Dimethyl(trimethylsilyloxy)silane
  • Disiloxane, 1,1,1,3,3-pentamethyl-
  • Disiloxane, pentamethyl-
  • Pentamethyldisiloxanyl
  • Trimethylsiloxydimethylsilane
  • [(Dimethylsilyl)oxy]trimethylsilane
  • Pentamethyldisiloxane
Sort by

Purity (%)
0
100
|
0
|
50
|
90
|
95
|
100
Found 6 products.
  • 1,1,1,3,3-Pentamethyldisiloxane

    CAS:
    Formula:C5H16OSi2
    Purity:>95.0%(GC)
    Color and Shape:Colorless to Almost colorless clear liquid
    Molecular weight:148.35

    Ref: 3B-P1535

    5ml
    46.00€
    25ml
    148.00€
  • Pentamethyldisiloxane, 95%

    CAS:
    <p>Pentamethyldisiloxane is used in the synthesis of siloxane-polyether copolymer surfactants. It is also used as source of trimethylsilyl functional group in organic synthesis. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation an</p>
    Formula:C5H15OSi2
    Purity:95%
    Color and Shape:Clear colorless, Liquid
    Molecular weight:147.34

    Ref: 02-L16577

    5g
    61.00€
    25g
    To inquire
  • 1,1,1,3,3-Pentamethyldisiloxane

    CAS:
    Formula:C5H16OSi2
    Purity:95%
    Color and Shape:Liquid
    Molecular weight:148.3509

    Ref: IN-DA003D5B

    1g
    29.00€
    5g
    37.00€
    25g
    71.00€
    100g
    204.00€
    500g
    556.00€
  • Pentamethyldisiloxane

    CAS:
    <p>Pentamethyldisiloxane</p>
    Purity:97%
    Molecular weight:148.35g/mol

    Ref: 54-OR1014596

    ne
    To inquire
  • Pentamethyldisiloxane

    CAS:
    <p>S12900 - Pentamethyldisiloxane</p>
    Formula:C5H16OSi2
    Purity:95%
    Color and Shape:Clear Liquid
    Molecular weight:148.352

    Ref: 10-S12900

    1g
    29.00€
    5g
    39.00€
    25g
    102.00€
    100g
    257.00€
  • PENTAMETHYLDISILOXANE

    CAS:
    Formula:C5H16OSi2
    Purity:97%
    Color and Shape:Liquid
    Molecular weight:148.35

    Ref: 3H-SIP6719.0

    13kg
    To inquire
    1.5kg
    To inquire