Item name:
Octamethylcyclotetrasiloxane
Description:
Octamethylcyclotetrasiloxane is a colorless viscous liquid, an organosilicon compound with the formula C8H24O4Si4. It derives from a hydride of a cyclotetrasiloxane.
Group:
Other Specialties
CAS Number:
556-67-2
EC Number:
209-136-7
Synonyms:
Octamethylcyclotetrasiloxan, REQ, zinc and double PHD fingers family 2, STRAY LIGHT FILTER(260NM) RSPEC00371, Dimethylsiloxane cyclic tetramer≥ 97% (assay), Cyclomethicone 4, Octamethylcyclotetrasiloxane
Applications:
Consumer use, Personal Care, Paint, Adhesive, Rubber, Automotive Care, Plastics, Building Material, Pesticide
Ipuac Name:
2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
Molecular Formula:
C8H24O4Si4
Molecular Weight:
296.616 g/mol
Boiling Point:
175-176ºC
Flash Point:
56ºC
Melting Point:
17-18ºC
Density:
0.956 g/cm3
Hazard Class:
3
RID/ADR:
UN 1993
Risk Statements:
R53; R62