235709

Octamethyltrisiloxan

98%

• Synonym(e): 1,1,1,3,3,5,5,5-Octamethyltrisiloxane, Dimethylbis(trimethylsiloxy)silane, Pentamethyl(trimethylsiloxy)disiloxane, Pentamethyl(trimethylsilyloxy)disiloxane
• Lineare Formel: [(CH₃)₃SiO]₂Si(CH₃)₂
• CAS-Nummer: 107-51-7
• Molekulargewicht: 236.53
• Beilstein: 1753063
• EG-Nummer: 203-497-4
• MDL-Nummer: MFCD00008264
• UNSPSC-Code: 12352103
• PubChem Substanz-ID: 24853996
• NACRES: NA.22

Eigenschaften

• Dampfdichte: >1 (vs air)
• Qualitätsniveau: 100
• Assay: 98%
• Form: liquid
• Brechungsindex: n20/D 1.384 (lit.)
• bp: 153 °C (lit.)
• mp (Schmelzpunkt): −82 °C (lit.)
• Dichte: 0.82 g/mL at 25 °C (lit.)
• SMILES String: C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
• InChI: 1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
• InChIKey: CXQXSVUQTKDNFP-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Octamethyltrisiloxane, commonly referred to as octamethylcyclotetrasiloxane, falls under the category of siloxanes. Its versatile applications include serving as a solvent, coupling agent, and surface tension modifier in various industries. Furthermore, it plays a significant role in the production of adhesives, sealants, and lubricants.

Anwendung

Octamethyltrisiloxane is used as a solvent for good dispersion of styrene and polydimethylsiloxane (PDMS), which are used in the fabrication of perovskite barium titanate inverse opal films.

Sicherheitshinweise

• Piktogramme: GHS02
• Signalwort: Warning
• H-Sätze: H226
• P-Sätze: P210 - P233 - P240 - P241 - P242 - P243
• Gefahreneinstufungen: Flam. Liq. 3
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 3
• Flammpunkt (°F): 84.2 °F - (External MSDS)
• Flammpunkt (°C): 29 °C - (External MSDS)
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter