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Lithium;methanidyl(trimethyl)silane
Lithiomethyltrimethylsilane · RIMETHYLSILYL)METHYLLITHIUM · methanidyl(trimethyl)silane · Trimethyl(lithiomethyl)silane · Lithio(trimethylsilyl)methane · Trimethylsiloxy-Methyllithium · (Trimethylsilyl)methyllithium · Lithium, (trimethylsilyl)methyl-
Identifikatoren & physikalische Daten
| CAS No. | 1822-00-0 |
|---|---|
| Summenformel | C4H11LiSi |
| Durchschnittliche Molmasse | 94,2 g/mol |
| Monoisotopische Masse | 94,07900643 g/mol |
| SMILES | [CH2-][Si](C)(C)C.[Li+] |
| InChIKey | KVWLUDFGXDFFON-UHFFFAOYSA-N |
| PubChem CID | 3482579 |
| EC No. | 629-440-7 |
| DTXSID | DTXSID90392901 |
Chemische & physikalische Eigenschaften
| Polarare Oberfläche (TPSA) | 0 |
|---|---|
| H-Brücken-Donoren | 0 |
| H-Brücken-Akzeptoren | 1 |
| Frei drehbare Bindungen | 0 |
| Schwere Atome | 6 |
| Formalladung | 0 |
| Komplexität | 29 |
| Dichte | 0.65 @25 °C0.65 g/mL at 25 °C |
| Schmelzpunkt | 13.9 °C112-117 °C (decomp) |
| Siedepunkt | 35-36 °C |
| Flammpunkt | −57 °F |
| Lagerbedingungen | 2-8°C |
| Löslichkeit | Sol ethereal solventsreacts with protic solvents. |
| Wichte | 0.66 |
| BRN | 4123225 |
| InChI | InChI=1S/C4H11Si.Li/c1-5(2,3)4/h1H2,2-4H3 |
| InChIKey | RJPBNMJOQNIBQW-UHFFFAOYSA-N |
| SMILES | [Si](C)(C)(C)C[Li] |
Sicherheit & Vorschriften
| GHS-Einstufung | DangerH225 (38.5%): Highly Flammable liquid and vapor [Danger Flammable liquids]P210, P233, P240, P241, P242, P243, P260, P264, P264+P265, P280, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P321, P363, P370+P378, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 65 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies. |
|---|---|
| Regulatorische Informationen | REACH registered substance: lithiummethanidyl(trimethyl)silane (EC: 629-440-7) |
| Hazard Classes and Categories | Flam. Liq. 2 (38.5%) |
| Protective Action Criteria (PAC) | 1.2 [mg/m3]13 [mg/m3]79 [mg/m3] |
| F | 10 |
| Wassergefährdungsklasse (WGK) | 1 |
| UN-Transportnummer | UN 3399 4.3/PG 1 |
| Zollcode | 29319090 |
| R-Sätze (R) | 11-14-34-51/53-65-66-67-12-2 |
| Gefahrensymbole | F,C,N,F+ |
| Sicherheitshinweise (S) | 16-26-33-36/37/39-43-45-61-62 |
| Gefahrenklasse | 4.2Aquatic Chronic 2Asp. Tox. 1Eye Dam. 1Flam. Liq. 1Skin Corr. 1BSTOT SE 3 |
| Verpackungsgruppe | I |
| Lagerklasse | 4.3 - Hazardous materials which set free flammable gases upon contact with water |
Anwendungen & Verwendung
Verwenden
Initiates polymerization and copolymerization of cyclosiloxanes.1 Alkylates metal complexes.2
Herstellung & Synthese
synthetische
Trimethylsilylmethyllithium is obtained by reaction of (chloromethyl)- trimethylsilane with lithium metal in an inert solvent. It is also available by displacement of a heteroatom group based on sulfur, silicon, or tin.