IOTA 2238 Pentamethylphenyl dihydrotrisiloxane (CAS:17962‑34‑4) is colorless transparent liquid with GC purity up to 99%. Specific gravity:0.99 g/cm³, refractive index:1.4485 with consistent batch‑to‑batch performance.
As phenyl‑modified hydrogen‑containing cross‑linker, it shows excellent miscibility with methyl silicone oil, liquid silicone rubber, phenyl silicone rubber and phenyl silicone resin without delamination for convenient formula development. It serves as cross‑linking component for hydrosilylation curing of addition‑cure silicone rubber, phenyl silicone rubber and phenyl silicone resin.
Packed in 25 kg and 200 kg internally coated iron drums, suitable for mass industrial production of special phenyl‑silicone materials.