- Chemical Synonym(s): Octamethylcyclotetrasiloxane; Cyclotetrasiloxane, octamethyl-; 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane;
- CAS Number: 556-67-2
- Chemical Formula:
- MSDS: Download
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Cyclotetrasiloxane is an essential intermediate in the silicone industry. It is widely used in various fields such as construction, electronics, textile, automotive, personal care, food, machining, etc.
It is used in the industry for ring-opening polymerization of silicone oils, silicone rubbers, and silicone resins of various degrees of polymerization.
It is used as a lubricant and in electronic equipment, automobiles, personal care products, and pharmaceuticals, among other applications. Its main uses include insulation and moisture protection of radio components and the preparation of silicone polymers such as methyl silicone oil. It has some properties in cosmetics, such as antistatic, emollient, and moisturizer.
It is also a surface de-activator for gas chromatography glass capillary columns. It is a volatile silicone lubricant, but it also solubilizes silica particles into silicone rubbers.