63148-62-9
Product Name:
Silicone oil
Formula:
C6H18OSi2
Synonyms:
PDMS;Polydimethylsiloxane;Silicone oil;Dimethylpolysiloxane;Poly(dimethylsiloxane)
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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 | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H225:Flammable liquids H304:Aspiration hazard H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H340:Germ cell mutagenicity H350:Carcinogenicity H372:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273:Avoid release to the environment. P331:Do NOT induce vomiting. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 236.53 g/mol |
|---|---|
| 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.