Silicone Diffusion Pump Oil IOTA 705, also known as 1,1,3,5,5-Pentaphenyl-1,3,5-trimethylsiloxane, is a 705 Super high vacuum diffusion pump oil. With synonyms including 705 Diffusion Pump Fluid and Phenylmethylsiloxane Oligomers, this oil is specifically formulated for use in diffusion pumps. Featuring a CAS No. of 3390-61-2, it is a colorless, transparent, single-component fluid ideal for achieving ultrahigh vacuum conditions in the range of 5x(10-9~10-10) torr (untrapped).
Silicone Diffusion Pump Oil IOTA 705-IOTA