Diphenyldimethoxysilane
Synonym(s):Diphenyldimethoxysilane
- CAS NO.：6843-66-9
- Empirical Formula: C14H16O2Si
- Molecular Weight: 244.36
- MDL number: MFCD00025690
- EINECS: 229-929-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-31 08:25:00
What is Diphenyldimethoxysilane?
Chemical properties
Colorless clear liquid
The Uses of Diphenyldimethoxysilane
DMDPS may be useful as a precursor to prepare silica.{58} It?may be used in lithium ion batteries as an electrolyte additive. It prevents the batteries from overcharging.{59}
The Uses of Diphenyldimethoxysilane
Reagent for preparation of diphenylsilylene derivatives of diols by exchange.
General Description
Dimethoxydiphenylsilane (DMDPS, DDS) is an acetylating reagent.{57}
Flammability and Explosibility
Non flammable
Properties of Diphenyldimethoxysilane
| Melting point: | <0°C |
| Boiling point: | 161 °C15 mm Hg(lit.) |
| Density | 1.08 g/mL at 20 °C(lit.) |
| vapor pressure | 0.03Pa at 25℃ |
| refractive index | n |
| Flash point: | 121°C |
| storage temp. | Inert atmosphere,Room Temperature |
| form | liquid |
| Specific Gravity | 1.0771 |
| color | colorless |
| Water Solubility | 3mg/L at 20℃ |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 2940458 |
| CAS DataBase Reference | 6843-66-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Silane, dimethoxydiphenyl-(6843-66-9) |
| EPA Substance Registry System | Silane, dimethoxydiphenyl- (6843-66-9) |
Safety information for Diphenyldimethoxysilane
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 Diphenyldimethoxysilane
| InChIKey | AHUXYBVKTIBBJW-UHFFFAOYSA-N |
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