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Catalog Number:
40497
CAS Number:
16066-09-4
1,1,1,3,5,7,7,7-Octamethyltetrasiloxane
Purity:
≥ 95% (GC)
Synonym(s):
3H,5H-Octamethyltetrasiloxane, 1,3-Bis(trimethylsiloxy)-1,3-dimethylsiloxane
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$58.39 /5G
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Product Information

1,1,1,3,5,7,7,7-Octamethyltetrasiloxane is a versatile siloxane compound known for its unique properties that make it highly valuable in various industrial applications. This compound features a branched siloxane structure, which imparts exceptional thermal stability and low surface tension, making it an ideal choice for use in coatings, sealants, and adhesives. Its excellent hydrophobic characteristics enhance water repellency, making it suitable for applications in textiles and construction materials where moisture resistance is critical.

Additionally, 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane serves as an effective additive in cosmetic formulations, providing a silky feel and improving the spreadability of products. Its compatibility with a wide range of organic and inorganic materials allows for its use in diverse formulations, from personal care products to industrial lubricants. Researchers and industry professionals can leverage its unique properties to enhance product performance, improve durability, and achieve desired aesthetic qualities in their formulations.

Synonyms
3H,5H-Octamethyltetrasiloxane, 1,3-Bis(trimethylsiloxy)-1,3-dimethylsiloxane
CAS Number
16066-09-4
Purity
≥ 95% (GC)
Molecular Formula
C8H26O3Si4
Molecular Weight
282.63
MDL Number
MFCD00053664
PubChem ID
85263
Density
0.86 g/mL
Appearance
Colorless clear liquid
Boiling Point
177 °C (Lit.)
Refractive Index
n20D 1.39
Conditions
Store at RT
General Information
Synonyms
3H,5H-Octamethyltetrasiloxane, 1,3-Bis(trimethylsiloxy)-1,3-dimethylsiloxane
CAS Number
16066-09-4
Purity
≥ 95% (GC)
Molecular Formula
C8H26O3Si4
Molecular Weight
282.63
MDL Number
MFCD00053664
PubChem ID
85263
Density
0.86 g/mL
Appearance
Colorless clear liquid
Boiling Point
177 °C (Lit.)
Refractive Index
n20D 1.39
Conditions
Store at RT
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

1,1,1,3,5,7,7,7-Octamethyltetrasiloxane is widely utilized in research focused on:

  • Cosmetic Formulations: This compound is often used in skincare and haircare products due to its excellent emollient properties, providing a smooth and silky feel on the skin and hair.
  • Industrial Lubricants: It serves as a high-performance lubricant in various machinery, reducing friction and wear, which enhances the longevity of equipment.
  • Sealants and Adhesives: Its unique chemical structure makes it an effective component in sealants and adhesives, providing strong bonding capabilities while maintaining flexibility.
  • Thermal Insulation: The compound is utilized in thermal insulation materials, helping to improve energy efficiency in buildings and appliances by reducing heat transfer.
  • Medical Devices: It is also applied in the manufacturing of medical devices, where its biocompatibility and stability are crucial for patient safety and device performance.

Citations