Product Name: Octamethylcy-clotetrasiloxane
Abbreviation: IOTA-D4
Molecular formula: (CH3)8Si4O4
CAS: 556-67-2
Product standard: GB/T 20435-2006
Physicochemical property:
Melting point: 17-18℃
Boiling point: 175-176℃
Flash point : 55℃
Relative density: 0.956g/cm³(25℃)
Technical index:
1, Appearance: Colorless and transparent liquid
2, Chroma / platinum - cobalt color: ≤10
3, Refractive index(20℃): 1.3960~1.3970
4, Octamethylcy-clotetrasiloxane content: ≥99.0
Performance and Application:
This product is colorless and insoluble in water, soluble in organic solvents such as stupid. The organic silicon polymer, which is synthesized by acid base catalysis, is the basic raw material of silicone oil and silicone rubber.