Dimethyl-diphenylpolysiloxane
Synonym(s):Polyphenyl-methylsiloxane
- CAS NO.：68083-14-7
- Empirical Formula: C16H22O2Si2
- Molecular Weight: 302.51568
- MDL number: MFCD00132673
- EINECS: 203-492-7
- Update Date: 2025-09-05 20:24:49
What is Dimethyl-diphenylpolysiloxane?
The Uses of Dimethyl-diphenylpolysiloxane
silicon oil is a generic description usually referring to dimethicone.
The Uses of Dimethyl-diphenylpolysiloxane
Silicone oil is used in high temperature open systems, closed systems and circulating, closed loop and heat transfer baths. It is used as a high temperature fluid for laboratory research apparatus and instruments. It is also used as a calibration media in temperature controlled baths.
Hazard
Low toxicity by ingestion. A mild eye irritant.
Properties of Dimethyl-diphenylpolysiloxane
| Melting point: | -50 °C |
| Boiling point: | >140 °C0.002 mm Hg(lit.) |
| Density | 1.09 g/mL at 20 °C |
| vapor density | >1 (vs air) |
| vapor pressure | <5 mm Hg ( 25 °C) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | no restrictions. |
| form | Liquid |
| Specific Gravity | 0.98 |
| color | Colorless |
| Water Solubility | Miscible with aliphatic, aromatic hydrocarbons, alcohol and chlorinated hydrocarbons. Immiscible with water, methanol and ethylene glycol. |
| CAS DataBase Reference | 68083-14-7 |
| EPA Substance Registry System | Dimethyl diphenyl siloxanes and silicones (68083-14-7) |
Safety information for Dimethyl-diphenylpolysiloxane
| 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 for Dimethyl-diphenylpolysiloxane
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