Tetraoctylammonium bromide

Tetraoctylammonium bromide Basic information
Product Name:Tetraoctylammonium bromide
Synonyms:TETRAOCTYLAMMONIUM BROMIDE;TETRA-N-OCTYLAMMONIUM BROMIDE;TETRAOCTYLAMMONIUM BROMIDE, FOR IPC;Tetra Octyl Amonium Bromide;1-Octanaminium, N,N,N-trioctyl-, bromide;Tetra-n-octylammonium bromide, 98+%;Tetraoctylammonium bromide ,98%;Tetraoctylaminium·bromide
CAS:14866-33-2
MF:C32H68BrN
MW:546.79
EINECS:238-936-9
Product Categories:AnionicHPLC;Chromatography/CE Reagents;Ammonium Bromides (Quaternary);Ion Pair;Ion Pair Reagents;Ion Pair Reagents - Anionic;Quaternary Ammonium Compounds;Ammonium Salts;AmmoniumGreener Alternatives: Catalysis;Chemical Synthesis;Greener Alternatives: Catalysis;Analytical/Chromatography;Ion Sensor Materials;Ionophores Potentiometric for ISE;Ionic Liquids;Phase Transfer Catalysts
Mol File:14866-33-2.mol
Tetraoctylammonium bromide Structure
Tetraoctylammonium bromide Chemical Properties
Melting point 95-98 °C(lit.)
Boiling point 209.3℃[at 101 325 Pa]
density 1.0041 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.5260 (estimate)
Fp 100°C
storage temp. Store below +30°C.
solubility 600g/l
form Powder or Flakes
color White to creamy-white
PH7 (100g/l, H2O, 20℃)
Water Solubility soluble
λmaxλ: 240 nm Amax: 0.04
λ: 250 nm Amax: 0.03
λ: 260 nm Amax: 0.02
λ: 500 nm Amax: 0.02
Sensitive Hygroscopic
BRN 4169176
Stability:Stable. Incompatible with strong oxidizing agents.
LogP4.47 at 25℃
CAS DataBase Reference14866-33-2(CAS DataBase Reference)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36-37/39
WGK Germany 3
HS Code 29239000
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
Tetraoctylammonium bromide Usage And Synthesis
Chemical Propertieswhite crystalline powder
UsesTetraoctylammonium 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.
UsesTOAB has been used as recognition element in formulating potentiometric membrane to develop an electronic tongue system for monitoring nitrogen species level in water samples.
General DescriptionTetraoctylammonium bromide is an organic surface coating agent commonly used to control the size and shape during nanoparticle synthesis.
Flammability and ExplosibilityNotclassified
Tetraoctylammonium bromide Preparation Products And Raw materials
Preparation ProductsHomopiperazine-->TETRAOCTYLAMMONIUM HYDROXIDE
Tetraethylammonium bromide TETRADODECYLAMMONIUM BROMIDE Ammonium bromide Rocuronium bromide Tetraoctylaminium ETHYL-BIS-(SODIUMTETRAZOYLAZO)ACETATE Tetrabutylammonium bromide Vecuronium bromide TETRAKIS(DECYL)AMMONIUM BROMIDE Tetrapropylammonium bromide Dimidium bromide Tetraoctylammonium chloride Sodium bromate Triton X-100 Ethidium bromide Allyl bromide Methyl bromide Tetraoctylammonium bromide

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