Dichloromethylsilane
ALDRICH/440248 - ≥97%
Synonym: Methyldichlorosilane
CAS Number: 75-54-7
Empirical Formula (Hill Notation): CH4Cl2Si
Molecular Weight: 115.03
EC Number: 200-877-1
MDL Number: MFCD00000494
Linear Formula: CH3SiHCl2
Product Type: Chemical
| assay | ≥97% |
| autoignition temp. | 471 °F |
| bp | 41 °C (lit.) |
| density | 1.105 g/mL at 25 °C (lit.) |
| expl. lim. | >55 % |
| form | liquid |
| InChI | 1S/CH4Cl2Si/c1-4(2)3/h4H, |
| InChI key | NWKBSEBOBPHMKL-UHFFFAOYSA |
| mp | −93 °C (lit.) |
| Quality Level | 200 ![]() |
| refractive index | n |
| SMILES string | C[SiH](Cl)Cl |
| storage temp. | 2-8°C |
| vapor density | 4 (vs air) |
| vapor pressure | 6.79 psi ( 20 °C) |
| Application: |
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| General description: | Dimethyldichlorosilane(DM |
| Packaging: | 1 L in Sure/Seal™ |
| Packaging: | 100 mL in Sure/Seal™ |
| Packaging: | View returnable container options . |
| Symbol | ![]() ![]() GHS02,GHS05,GHS06 |
| Signal word | Danger |
| Hazard statements | H225 - H261 - H301 + H331 - H314 |
| Precautionary statements | P210 - P231 + P232 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | F,T |
| Risk Statements | 11-14/15-20/22-35-37 |
| Safety Statements | 16-26-36/37/39-43-45 |
| RIDADR | UN1242 - class 4.3 - PG 1 - Methyldichlorosilane |
| WGK Germany | WGK 1 |
| Flash Point(F) | -18.4 °F |
| Flash Point(C) | -28 °C |
| Supplemental Hazard Statements | EUH014 - EUH071 |
| Purity | ≥97% |
| bp | 41 °C (lit.) |
| mp | −93 °C (lit.) |
| Density | 1.105 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352101 |




