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294136 Aldrich

Tetraoctylammonium bromide

98%

Synonym: TOAB

  • CAS Number 14866-33-2

  • Linear Formula [CH3(CH2)7]4N(Br)

  • Molecular Weight 546.79

  •  Beilstein Registry Number 4169176

  •  EC Number 238-936-9

  •  MDL number MFCD00011863

  •  PubChem Substance ID 24857704

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Properties

Related Categories Ammonium Salts, Chemical Synthesis, Phase Transfer Catalysts, Synthetic Reagents
InChI Key   QBVXKDJEZKEASM-UHFFFAOYSA-M
assay   98%
mp   95-98 °C(lit.)

Description

Packaging

25 g in poly bottle

5 g in glass bottle

Application

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.

General description

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

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

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References

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