
1873-88-7
| Name | Bis(trimethylsiloxy)methylsilane |
| CAS | 1873-88-7 |
| EINECS(EC#) | 217-496-1 |
| Molecular Formula | C7H22O2Si3 |
| MDL Number | MFCD00048000 |
| Molecular Weight | 222.5 |
| MOL File | 1873-88-7.mol |
Chemical Properties
| Appearance | colourless liquid |
| Melting point | <0°C |
| Boiling point | 142 °C (lit.) |
| density | 0.819 g/mL at 25 °C(lit.) |
| vapor pressure | 8.5hPa at 25℃ |
| refractive index | n |
| Fp | 82 °F |
| storage temp. | 15-25°C |
| solubility | Chloroform (Soluble), Methanol (Slightly) |
| form | clear liquid |
| color | Colorless to Almost colorless |
| Specific Gravity | 0.8136 |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing agents. |
| Water Solubility | Miscible with acetone, ethanol, diethyl ether. Insoluble in water. |
| Hydrolytic Sensitivity | 3: reacts with aqueous base |
| BRN | 1748455 |
| Henry's Law Constant | 1.1×10-7 mol/(m3Pa) at 25℃, Ebert et al. (2023) |
| InChI | 1S/C7H22O2Si3/c1-10(8-11(2,3)4)9-12(5,6)7/h10H,1-7H3 |
| InChIKey | QNWOFLWXQGHSRH-UHFFFAOYSA-N |
Safety Data
| Symbol(GHS) | ![]() ![]() GHS02,GHS07 |
| Signal word | Danger |
| Hazard statements | H225-H315-H319-H335 |
| Precautionary statements | P210-P302+P352-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| F | 10-21 |
| TSCA | Yes |
| REACH Registrations | Active |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29319090 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Eye Irrit. 2 Flam. Liq. 2 Skin Irrit. 2 STOT SE 3 |

