Basic information of octamethylcyclotetrasiloxane (556-67-2)
1. Chemical name: Octamethylcyclotetrasiloxane
2. Chinese alias: D4; tetramethyldisiloxane
3. English name: Octamethylcyclotetrasiloxane; D4
4. Molecular formula: C8H24O4Si4
5. Molecular weight: 296.62
6. CAS number: 556-67-2
7. EINECS number: 209-136-7
8. Appearance: colorless and transparent liquid, highly volatile, with a slight characteristic odor
II. Technical Parameters
project
indicator
Chromaticity/Hazen unit (platinum-cobalt color number)
ten
Refractive index n3
1.3960～1.3970
Mass fraction of octamethylcyclotetrasiloxane /% ≥
ninety-nine
(The above parameters are reference values, and the specific details shall be subject to the factory inspection sheet.)
III. Packaging specifications
200kg galvanized iron drum or IBC ton container