68083-14-7
Product Name:
Dimethyl-diphenylpolysiloxane
Formula:
C16H22O2Si2
Synonyms:
Polyphenyl-methylsiloxane
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Liquid; [Sigma-Aldrich MSDS] |
|---|---|
| Chemical Classes | UVCB |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P363:Wash contaminated clothing before reuse. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. 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 | 302.51 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 5 |
| Exact Mass | 302.11583301 g/mol |
| Monoisotopic Mass | 302.11583301 g/mol |
| Topological Polar Surface Area | 18.5 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 277 |
| 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
Dimethyl diphenyl polysiloxane is a colorless liquid with excellent electrical insulation properties, ozone resistance, corona resistance, hydrophobicity, and moisture resistance. It also has advantages such as low viscosity temperature coefficient, low surface tension, shear resistance, and high compression.

