CAS 3663-50-1

1,1,3,3,5,5-Hexamethyl-1,5-trisiloxanediol

Description:

1,1,3,3,5,5-Hexamethyl-1,5-trisiloxanediol, with the CAS number 3663-50-1, is a siloxane compound characterized by its unique structure that includes multiple methyl groups and siloxane linkages. This compound features a trisiloxane backbone, which consists of alternating silicon and oxygen atoms, contributing to its silicone-like properties. The presence of six methyl groups enhances its hydrophobic characteristics, making it useful in various applications, including as a surfactant, lubricant, or in formulations requiring water repellency. The hydroxyl groups (-OH) in its structure provide sites for potential reactivity, allowing for further chemical modifications or cross-linking in polymer synthesis. Additionally, its low volatility and thermal stability make it suitable for high-temperature applications. Overall, 1,1,3,3,5,5-Hexamethyl-1,5-trisiloxanediol is valued in industrial and consumer products for its unique physical and chemical properties, particularly in enhancing the performance of silicone-based materials.

Formula: C₆H₂₀O₄Si₃

InChI: InChI=1S/C6H20O4Si3/c1-11(2,7)9-13(5,6)10-12(3,4)8/h7-8H,1-6H3

InChI key: InChIKey=XYBQTTAROZGWOZ-UHFFFAOYSA-N

SMILES: O([Si](O[Si](C)(C)O)(C)C)[Si](C)(C)O

Synonyms:

• 1,1,3,3,5,5-Hexamethyl-1,5-trisiloxanediol
• 1,5-Dihydroxyhexamethyltrisiloxane
• 1,5-Trisiloxanediol, 1,1,3,3,5,5-hexamethyl-
• 1,5-Trisiloxanediol, hexamethyl-
• Bis[(hydroxydimethylsilyl)oxy]dimethylsilane
• Hexamethyltrisiloxane-1,5-diol
• 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol

Simethicone Impurity 3

CAS: 3663-50-1

Formula: C₆H₂₀O₄Si₃

Color and Shape: Colourless Liquid

Molecular weight: 240.48

Ref: 4Z-S-129004

1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol

Controlled Product

CAS: 3663-50-1

Stability Moisture Sensitive
Applications 1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol is derived from Hexamethylcyclotrisiloxane (H294340), which is used in the preparation of Silicone coated Celgard-2400 for the adhesion of canine platelets and leucocytes.
References Chawla, A. S.: Biomaterials, 2, 83 (1981)

Formula: C₆H₂₀O₄Si₃

Color and Shape: Neat

Molecular weight: 240.48

Ref: TR-H296725

1,1,3,3,5,5-Hexamethyltrisiloxane-1,5-diol

CAS: 3663-50-1

Formula: C₆H₂₀O₄Si₃

Molecular weight: 240.48

Ref: ST-EA-CP-S59001