CHEMICAL AND PHYSICAL PROPERTIES
Physical Description | Liquid |
---|---|
Density | 0.940 g/cu m @ 25 °C /Silicon fluid with 10 sq mm/s viscosity/ |
Vapor Density | Pour point -73 °C; Electric Strength 1.4 KV/um; Electric Constant 2.60; Thermal conductivity at 65 °C = 1.3 W/(m.k). /Silicone fluid with 10 mm sq/5 viscosity/ |
Vapor Pressure | 3.34 [mmHg] |
Viscosity | 10 cu mm/S @ 25 °C /Silicone fluid with 10 mm sq/S viscosity/ |
Surface Tension | 20.0 dyne/cm @ 25 °C /Silicone fluid with 10 mm sq/s viscosity/ |
Refractive Index | Index of refraction 1.399 @ 20 °C/D /Silicone fluid with 10 mm sq/5 viscosity |
Kovats Retention Index | 1031 1031 1034 1034 1038 1038 |
Other Experimental Properties | Viscosity: 41 cSt at 37.8 °C /Silicone fluid with 10 mm sq/S viscosity/ |
Chemical Classes | Metals -> Metalloid Compounds (Silicon) |
SAFETY INFORMATION
Signal word | Warning |
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Pictogram(s) |
Flame Flammables GHS02 |
GHS Hazard Statements |
H226:Flammable liquids |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P242:Use only non-sparking tools. P243:Take precautionary measures against static discharge. |
COMPUTED DESCRIPTORS
Molecular Weight | 236.53 g/mol |
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Hydrogen Bond Donor Count | 0 |
Hydrogen Bond Acceptor Count | 2 |
Rotatable Bond Count | 4 |
Exact Mass | 236.10840961 g/mol |
Monoisotopic Mass | 236.10840961 g/mol |
Topological Polar Surface Area | 18.5 Ų |
Heavy Atom Count | 13 |
Formal Charge | 0 |
Complexity | 149 |
Isotope Atom Count | 0 |
Defined Atom Stereocenter Count | 0 |
Undefined Atom Stereocenter Count | 0 |
Defined Bond Stereocenter Count | 0 |
Undefined Bond Stereocenter Count | 0 |
Covalently-Bonded Unit Count | 1 |
Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Octamethyltrisiloxane is an organosiloxane that is trisiloxane in which all the hydrogens have been replaced by methyl groups.