Octamethylcyclotetrasiloxane
CAS Number556-67-2
Formula[-Si(CH3)2O-]4
Mol. Weight296.62 g/mol
Octamethylcyclotetrasiloxane
What is Octamethylcyclotetrasiloxane?
Octamethylcyclotetrasiloxane is a chemical compound with CAS number 556-67-2 and molecular formula [-Si(CH3)2O-]4. It is used in various industrial and research applications.
Specifications
Linear Formula
[-Si(CH3)2O-]4
Molecular Weight
296.62 g/mol
Grade
purum
Assay/Purity
98%
Boiling Point
175-176 °C(lit.)
Density
0.956 g/mL at 25 °C(lit.)
Safety Information
GHS02
GHS08Signal Word
Warning
Hazard Statements
H226-H361f-H413
Precautionary Statements
P281
Required PPE
Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Melting Point
17-18 °C(lit.)
EC Number
209-136-7
WGK Germany
3