ChemNet > CAS > 556-67-2 Octamethyl cyclotetrasiloxane

556-67-2 Octamethyl cyclotetrasiloxane

product Name	Octamethyl cyclotetrasiloxane
CAS No	556-67-2
Synonyms	Octamethyl cyclotetrasilazane; octaphenyl silsesquioxane; Octamethylcyclotetrasiloxane; 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetroxatetrasilocane; D4
Molecular Formula	C₈H₂₄O₄Si₄
Molecular Weight	296.6158
InChI	InChI=1/C8H24O4Si4/c1-13(2)9-14(3,4)11-16(7,8)12-15(5,6)10-13/h1-8H3
EINECS	209-136-7
Molecular Structure
Density	0.95g/cm³
Melting point	17-18℃
Boiling point	175°C at 760 mmHg
Refractive index	1.423
Flash point	63.2°C
Water solubility	INSOLUBLE
Vapour Pressur	1.57mmHg at 25°C
Hazard Symbols	Xn:Harmful;
Risk Codes	R53:; R62:;
Safety Description	S36/37:; S46:; S51:; S61:;

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