235687

Hexamethylcyclotrisiloxan

98%

• Synonym(e): Cyclic (D3) permethylsiloxane
• Empirische Formel (Hill-System): C₆H₁₈O₃Si₃
• CAS-Nummer: 541-05-9
• Molekulargewicht: 222.46
• EG-Nummer: 208-765-4
• MDL-Nummer: MFCD00005943
• UNSPSC-Code: 12352103
• PubChem Substanz-ID: 24853993
• NACRES: NA.22

Eigenschaften

• Dampfdichte: 1 (vs air)
• Assay: 98%
• Form: solid
• bp: 134 °C (lit.)
• mp (Schmelzpunkt): 50-64 °C (lit.)
• SMILES String: C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1
• InChI: 1S/C6H18O3Si3/c1-10(2)7-11(3,4)9-12(5,6)8-10/h1-6H3
• InChIKey: HTDJPCNNEPUOOQ-UHFFFAOYSA-N

Beschreibung

Anwendung

Hexamethylcyclotrisiloxane (D3) can be used in the synthesis of:

• Polysiloxanes by anionic ring-opening polymerization.        
• Thin films by pulsed- plasma-enhanced chemical vapor deposition (PECVD) for the application of insulating biomaterials.
•  Dimethoxydimethylsilane by treating with dimethyl carbonate via deoligomerization using alkali metal hydroxide catalyst.

Sicherheitshinweise

• Piktogramme: GHS02
• Signalwort: Danger
• H-Sätze: H228
• P-Sätze: P210
• Gefahreneinstufungen: Flam. Sol. 1
• Lagerklassenschlüssel: 4.1B - Flammable solid hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): 95.0 °F - closed cup
• Flammpunkt (°C): 35 °C - closed cup
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves, type P3 (EN 143) respirator cartridges