Diethoxymethylsilane
Synonym(s):Diethoxy-methylsilane
- CAS NO.：2031-62-1
- Empirical Formula: C5H14O2Si
- Molecular Weight: 134.25
- MDL number: MFCD00026749
- EINECS: 217-982-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02
What is Diethoxymethylsilane?
Chemical properties
Colorless clear liquid
The Uses of Diethoxymethylsilane
Diethoxymethylsilane is used in the preparation of N,N'-methylsilanediyl-bis-phthalimide by reacting with phthalimide. It is used as a reagent in the selective reduction of carbonyl compounds, hydorosilylation of alkenes, tandem reductive aldol reaction and rhodium-catalyszed silylcarbocyclization.
Flammability and Explosibility
Flammable
Properties of Diethoxymethylsilane
| Melting point: | 98 °C |
| Boiling point: | 94-95 °C (lit.) |
| Density | 0.838 g/mL at 20 °C (lit.) |
| vapor pressure | 0.053-7910Pa at 25℃ |
| refractive index | 1.3760 |
| Flash point: | 10°C |
| storage temp. | Flammables area |
| form | clear liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 0.829 |
| Water Solubility | Miscible with water, 1,4-dioxane, tetrahydrofuran, acetonitrile, dichloromethane, chloroform, dimethyl sulfoxide, hexamethylphosphoric triamide and toluene. Insoluble in diethyl ether and hexane. |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1733975 |
| CAS DataBase Reference | 2031-62-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Methyldiethoxysilane(2031-62-1) |
| EPA Substance Registry System | Silane, diethoxymethyl- (2031-62-1) |
Safety information for Diethoxymethylsilane
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. 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 Diethoxymethylsilane
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