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
Henry's Law Constant :1.1×10^-7 mol/(m³Pa) at 25℃, Ebert et al. (2023)
Stability :Stable. Flammable. Incompatible with strong oxidizing agents.
InChI :1S/C7H22O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h10H,1-7H3
InChIKey :QNWOFLWXQGHSRH-UHFFFAOYSA-N
SMILES :C[SiH](O[Si](C)(C)C)O[Si](C)(C)C
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)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.