Octamethylcyclotetrasiloxane
Chemical compound / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Octamethylcyclotetrasiloxane?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
Not to be confused with 22-dihydroergocalciferol.
Octamethylcyclotetrasiloxane, also called D4, is an organosilicon compound with the formula [(CH3)2SiO]4. It is a colorless viscous liquid. It is a common cyclomethicone. It is widely used in cosmetics.[5]
Quick Facts Names, Identifiers ...
Names | |
---|---|
Preferred IUPAC name
Octamethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane | |
Other names
| |
Identifiers | |
| |
3D model (JSmol) |
|
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.008.307 |
EC Number |
|
PubChem CID |
|
UNII | |
CompTox Dashboard (EPA) |
|
| |
| |
Properties | |
[(CH3)2SiO]4 | |
Molar mass | 296.616 g·mol−1 |
Density | 0.956 g/mL |
Melting point | 17–18 °C (63–64 °F; 290–291 K) |
Boiling point | 175–176 °C (347–349 °F; 448–449 K) |
56.2±2.5 ppb (23 °C)[1] | |
log P | 6.98±0.13[2] |
Vapor pressure | 124.5±6.2 Pa (25 °C)[3] |
Hazards | |
GHS labelling: | |
[4] | |
Warning | |
H361f, H410 M=10[4] | |
Related compounds | |
Related compounds |
|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Close