CAS NO: 107-46-0
Pack Size: 160 KG | ISO Tank
Hexamethyldisiloxane (HMDSO) is a clear, volatile, and hydrophobic liquid with the chemical formula [(CH₃)₃Si]₂O. It is widely used in pharmaceuticals, semiconductors, and coatings due to its unique siloxane bond (Si-O-Si), which provides thermal stability and low surface tension.
HMDSO acts as a silylating agent and intermediate for synthesizing active pharmaceutical ingredients (APIs). In the semiconductor sector, it is employed in plasma-enhanced chemical vapor deposition (PECVD) to create protective silicon dioxide (SiO₂) layers on microchips. Additionally, HMDSO is used in water-repellent coatings and lubricants, enhancing durability and performance.
Applications:
Acts as a hydrophobic agent in coatings, enhancing water and oil repellency for textiles, glass, and ceramics.
Utilized as a silicone-based solvent and emollient in products like hair sprays, conditioners, and skin care items for a smooth finish.
Specifications:
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Related Link: Trimethyl chlorosilane (TMCS)