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LS-610/HMDO Hexamethyldisiloxane (MM, HMDO)
CAS NO. 107-46-0
Silfluo LS-610 is Hexamethyldisiloxane (MM, HMDSO), a linear disiloxane with two trimethylsilyl end groups.
The molecule contains two Si–O–Si connected trimethylsilyl units; no hydrolyzable groups are present.
The trimethylsilyl end groups function as chain terminators in silicone polymer synthesis, controlling molecular weight by capping silanol chain ends.
High volatility, low surface tension, and zero residue on evaporation make it suited for precision cleaning, CVD precursor, and carrier fluid applications.
Used as end-capping agent (MM) in silicone polymer synthesis, PECVD precursor for SiO₂ film deposition, precision electronic cleaning solvent, and non-polar reaction medium.
