| Dimethyl-diphenylpolysiloxane Basic information |
| Product Name: | Dimethyl-diphenylpolysiloxane |
| Synonyms: | cf1142;k333;polydimethyldiphenylsiloxane;ps089;sf1153;sf1154;sf1179;Siliconerubber,methyldiphenylrtv108 |
| CAS: | 68083-14-7 |
| MF: | C16H22O2Si2 |
| MW: | 302.51568 |
| EINECS: | 203-492-7 |
| Product Categories: | Silicone Series |
| Mol File: | 68083-14-7.mol |
| Dimethyl-diphenylpolysiloxane Chemical Properties |
| 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 |
| Fp | >230 °F |
| storage temp. | no restrictions. |
| form | Liquid |
| color | Colorless |
| Specific Gravity | 0.98 |
| 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 |
| Safety Statements | 24/25 |
| WGK Germany | 3 |
| RTECS | VW3146875 |
| Autoignition Temperature | 460 °C |
| TSCA | Yes |
| HS Code | 3910 00 00 |
| Toxicity | LC50 inhalation in rat: 18gm/m3/1H |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| Dimethyl-diphenylpolysiloxane Usage And Synthesis |
| Uses | silicon oil is a generic description usually referring to dimethicone. |
| Uses | 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. |
| Dimethyl-diphenylpolysiloxane Preparation Products And Raw materials |
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