Basic information Uses Safety Related Supplier
1,1,1,3,5,5,5-Heptamethyltrisiloxane Structure

1,1,1,3,5,5,5-Heptamethyltrisiloxane

Chemical Properties

Melting point <0°C
Boiling point 142 °C (lit.)
Density  0.819 g/mL at 25 °C (lit.)
vapor pressure  8.5hPa at 25℃
refractive index  n20/D 1.382(lit.)
Flash point 82 °F
storage temp.  15-25°C
solubility  Chloroform (Soluble), Methanol (Slightly)
form  clear liquid
color  Colorless to Almost colorless
Specific Gravity 0.8136
Water Solubility  Miscible with acetone, ethanol, diethyl ether. Insoluble in water.
Hydrolytic Sensitivity 3: reacts with aqueous base
BRN  1748455
Stability Stable. Flammable. Incompatible with strong oxidizing agents.
InChIKey QNWOFLWXQGHSRH-UHFFFAOYSA-N
LogP 6.2 at 20℃
CAS DataBase Reference 1873-88-7(CAS DataBase Reference)
NIST Chemistry Reference Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-,(1873-88-7)
EPA Substance Registry System Trisiloxane, 1,1,1,3,5,5,5-heptamethyl- (1873-88-7)

Safety Information

Hazard Codes  Xi
Risk Statements  10-36/37/38
Safety Statements  26-36
RIDADR  UN 1993 3/PG 2
WGK Germany  3
10-21
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29319090

MSDS

Usage And Synthesis

1,1,1,3,5,5,5-Heptamethyltrisiloxane Supplier

1,1,1,3,5,5,5-Heptamethyltrisiloxane manufacturers