Methyldimethoxysilane
- CAS NO.：16881-77-9
- Empirical Formula: C3H10O2Si
- Molecular Weight: 106.2
- MDL number: MFCD00048019
- EINECS: 240-914-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-08-04 16:44:43
What is Methyldimethoxysilane?
Chemical properties
Colorless clear liquid
Hazard
A poison by ingestion. A moderate eye irri-tant.
Flammability and Explosibility
Highly flammable
Safety Profile
A poison by ingestion, subcutaneous, and intravenous routes. A moderate eye irritant. When heated to decomposition it emits acrid smoke and irritating vapors.
Properties of Methyldimethoxysilane
| Melting point: | -136°C |
| Boiling point: | 61 °C |
| Density | 0.861 |
| vapor pressure | 0.05-12790Pa at 20-25℃ |
| refractive index | 1.3600 |
| Flash point: | <0°C |
| solubility | Chloroform (Sparingly), Ethyl Acetate (Slightly) |
| form | clear liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 0.861 |
| Water Solubility | 17-1000g/L at 20℃ |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 2035898 |
| CAS DataBase Reference | 16881-77-9(CAS DataBase Reference) |
| EPA Substance Registry System | Silane, dimethoxymethyl- (16881-77-9) |
Safety information for Methyldimethoxysilane
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H311:Acute toxicity,dermal H315:Skin corrosion/irritation H318: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. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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. P370+P378:In case of fire: Use … for extinction. P405:Store locked up. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..… |
Computed Descriptors for Methyldimethoxysilane
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