52630

Hexamethyldisiloxan

puriss., ≥98.5% (GC)

• Synonym(e): HMDSO
• Lineare Formel: (CH₃)₃SiOSi(CH₃)₃
• CAS-Nummer: 107-46-0
• Molekulargewicht: 162.38
• Beilstein: 1736258
• EG-Nummer: 203-492-7
• MDL-Nummer: MFCD00008265
• UNSPSC-Code: 12352103
• PubChem Substanz-ID: 329757863
• NACRES: NA.22

Eigenschaften

• Dampfdichte: >1 (vs air)
• Qualitätsniveau: 200
• Qualität: puriss.
• Assay: ≥98.5% (GC)
• Form: liquid
• Brechungsindex: n20/D 1.377 (lit.); n20/D 1.377
• bp: 101 °C (lit.)
• mp (Schmelzpunkt): −59 °C (lit.)
• Dichte: 0.764 g/mL at 20 °C (lit.)
• SMILES String: C[Si](C)(C)O[Si](C)(C)C
• InChI: 1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
• InChIKey: UQEAIHBTYFGYIE-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

HMDSO(hexamethyldisiloxane) is an organosilicon compound. It is a non-toxic, environmentally friendly monomer. It can be used as a precursor to synthesize organosilicon thin films. It serves as a silylating agent for carboxylic acids and alcohols. Additionally, it is used in the preparation of aroyl chlorides. HMDSO is commonly used as a water-repellent.

Anwendung

Hexamethyldisiloxane is used:

• As a modifying agent in the presence of ethanol/n-hexane solution for the preparation of hydrophobic and hydrophilic sodium silicate-based silica xerogels.
• To form the dielectric layers in the MIM(metal-insulator-metal) structure that is consisting of graphene quantum dots(GQDs) to prepare two-terminal NVM (non-volatile-memory) devices.

Leistungsmerkmale und Vorteile

Hexamethyldisiloxanehas high thermal stability.

Sonstige Hinweise

Für eine einfache Silylierung von Carbonsäuren; Als Chlorid-Anionen-Akzeptor bei der Synthese von Sulfinsäureestern

Sicherheitshinweise

• Piktogramme: GHS02,GHS09
• Signalwort: Danger
• H-Sätze: H225,H410
• P-Sätze: P210 - P233 - P240 - P241 - P242 - P273
• Gefahreneinstufungen: Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Liq. 2
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 2
• Flammpunkt (°F): 21.2 °F - closed cup
• Flammpunkt (°C): -6 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter