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DODECAMETHYLPENTASILOXANE Structure

DODECAMETHYLPENTASILOXANE

Chemical Properties

Melting point -81 °C (lit.)
Boiling point 230 °C (lit.)
Density  0.875 g/mL at 25 °C (lit.)
vapor pressure  <1 mm Hg ( 20 °C)
refractive index  n20/D 1.392(lit.)
Flash point 187 °F
storage temp.  Refrigerator
solubility  Benzene (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form  liquid
Specific Gravity 0.876
color  Colourless
Water Solubility  70.41ng/L at 23℃
Hydrolytic Sensitivity 1: no significant reaction with aqueous systems
Merck  14,3404
Dielectric constant 2.5(20℃)
LogP 9.411 at 25℃
CAS DataBase Reference 141-63-9(CAS DataBase Reference)
EPA Substance Registry System Pentasiloxane, dodecamethyl- (141-63-9)

Safety Information

Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
RIDADR  NA 1993 / PGIII
WGK Germany  3
RTECS  SB0970000
TSCA  Yes
HS Code  2931.90.9010
Hazardous Substances Data 141-63-9(Hazardous Substances Data)
Toxicity guinea pig,LDLo,oral,50gm/kg (50000mg/kg),Journal of Industrial Hygiene and Toxicology. Vol. 30, Pg. 332, 1948.

MSDS

Usage And Synthesis

Preparation Products And Raw materials

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