294136

Tetraoctylammoniumbromid

98%

• Synonym(e): TOAB
• Lineare Formel: [CH₃(CH₂)₇]₄N(Br)
• CAS-Nummer: 14866-33-2
• Molekulargewicht: 546.79
• Beilstein: 4169176
• EG-Nummer: 238-936-9
• MDL-Nummer: MFCD00011863
• UNSPSC-Code: 12352107
• PubChem Substanz-ID: 24857704
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 200
• Assay: 98%
• Form: solid
• mp (Schmelzpunkt): 95-98 °C (lit.)
• SMILES String: [Br-].CCCCCCCC[N+](CCCCCCCC)(CCCCCCCC)CCCCCCCC
• InChI: 1S/C32H68N.BrH/c1-5-9-13-17-21-25-29-33(30-26-22-18-14-10-6-2,31-27-23-19-15-11-7-3)32-28-24-20-16-12-8-4;/h5-32H2,1-4H3;1H/q+1;/p-1
• InChIKey: QBVXKDJEZKEASM-UHFFFAOYSA-M

Beschreibung

Allgemeine Beschreibung

Tetraoctylammonium bromide is an organic surface coating agent commonly used to control the size and shape during nanoparticle synthesis.

Anwendung

Tetraoctylammonium bromide (TOAB) has been used as a phase transfer agent to transfer gold tetrachloroaurate from aqueous phase to organic phase in a two-phase (organic-aqueous) method of alkanethiol stabilized gold nanoparticle synthesis. It is also used to prepare TOAB-capped gold nanoparticles, which shows well-defined plasmon absorption compared to thiol-capped nanoparticles.

Sicherheitshinweise

• Piktogramme: GHS05
• Signalwort: Danger
• H-Sätze: H315,H318
• P-Sätze: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P362 + P364
• Gefahreneinstufungen: Eye Dam. 1 - Skin Irrit. 2
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): 213.8 °F - closed cup
• Flammpunkt (°C): 101 °C - closed cup
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves