Chloro(chloromethyl)dimethylsilane
Synonym(s):(Chloromethyl)dimethylchlorosilane;CMDMCS
- CAS NO.：1719-57-9
- Empirical Formula: C3H8Cl2Si
- Molecular Weight: 143.09
- MDL number: MFCD00000875
- EINECS: 217-006-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-17 18:55:08
What is Chloro(chloromethyl)dimethylsilane?
Chemical properties
Clear to straw liquid
The Uses of Chloro(chloromethyl)dimethylsilane
Chloro(chloromethyl)dimethylsilane is used in method of improving the hydrophobic properties of cellulosic materials without leaving an acidic residue.
Properties of Chloro(chloromethyl)dimethylsilane
| Melting point: | <0°C |
| Boiling point: | 114 °C/752 mmHg (lit.) |
| Density | 1.086 g/mL at 25 °C (lit.) |
| vapor pressure | 43-177hPa at 20-50℃ |
| refractive index | n |
| RTECS | VV2095000 |
| Flash point: | 70 °F |
| storage temp. | Keep in dark place,Inert atmosphere,2-8°C |
| form | Liquid |
| color | Clear colorless to straw |
| Specific Gravity | 1.086 |
| explosive limit | 1.4-51.5%(V) |
| Water Solubility | DECOMPOSES |
| Hydrolytic Sensitivity | 8: reacts rapidly with moisture, water, protic solvents |
| Sensitive | Moisture Sensitive |
| BRN | 1731933 |
| CAS DataBase Reference | 1719-57-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Silane, chloro(chloromethyl)dimethyl-(1719-57-9) |
| EPA Substance Registry System | Silane, chloro(chloromethyl)dimethyl- (1719-57-9) |
Safety information for Chloro(chloromethyl)dimethylsilane
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H302:Acute toxicity,oral H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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 Chloro(chloromethyl)dimethylsilane
| InChIKey | ITKVLPYNJQOCPW-UHFFFAOYSA-N |
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