| Name | 2-chloromethyl 2-(trimethylsilyl)ethyl ether |
| Synonyms | SEM-CL SEM-CI SEM-Cl SEM-CHLORIDE 2-(triMethylsilyl)ethoxyMethyl chl 2-(CHLOROMETHOXY)ETHYLTRIMETHYLSILANE 2-(Trimethylsilyl)ethoxymethyl chloride 2-(TRIMETHYLSILYL)ETHOXYMETHYL CHLORIDE CHLOROMETHYL 2-TRIMETHYLSILYLETHYL ETHER [2-(chloromethoxy)ethyl](trimethyl)silane 2-chloromethyl 2-(trimethylsilyl)ethyl ether 2-(Trimethylsilyl)ethoxymethyl Chloride (SEM-Cl) |
| CAS | 76513-69-4 |
| EINECS | 278-483-4 |
| InChI | InChI=1/C6H15ClOSi/c1-9(2,3)5-4-8-6-7/h4-6H2,1-3H3 |
| InChIKey | BPXKZEMBEZGUAH-UHFFFAOYSA-N |
| Molecular Formula | C6H15ClOSi |
| Molar Mass | 166.72 |
| Density | 0.942 g/mL at 25 °C (lit.) |
| Boling Point | 170-172 °C (lit.)57-59 °C/8 mmHg (lit.) |
| Flash Point | 116°F |
| Water Solubility | decomposes |
| Solubility | Sol most organic solvents (pentane, CH2Cl2, Et2O,THF, DMF, DMPU, HMPA) |
| Vapor Presure | 1.12mmHg at 25°C |
| Appearance | Liquid |
| Specific Gravity | 0.95 |
| Color | Clear colorless |
| BRN | 3587289 |
| Storage Condition | 2-8°C |
| Sensitive | 7: reacts slowly with moisture/water |
| Refractive Index | n20/D 1.435(lit.) |
| Hazard Symbols | C - Corrosive![]() |
| Risk Codes | R10 - Flammable R34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S16 - Keep away from sources of ignition. |
| UN IDs | UN 2920 8/PG 2 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 8-10-21 |
| TSCA | No |
| HS Code | 29319090 |
| Hazard Class | 3.2 |
| Packing Group | III |
| morphology | liquid |
| Use | 2-(trimethylsilyl) ethoxymethyl chloride is mainly used in organic synthesis to protect hydroxyl functionality. silicon-based protecting group. |