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| Tetraoctylammonium bromide Basic information |
| 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 | PH | 7 (100g/l, H2O, 20℃) | Water Solubility | soluble | Sensitive | Hygroscopic | λmax | λ: 240 nm Amax: 0.04 λ: 250 nm Amax: 0.03 λ: 260 nm Amax: 0.02 λ: 500 nm Amax: 0.02 | BRN | 4169176 | Stability: | Stable. Incompatible with strong oxidizing agents. | LogP | 4.47 at 25℃ | CAS DataBase Reference | 14866-33-2(CAS DataBase Reference) |
| Tetraoctylammonium bromide Usage And Synthesis |
Chemical Properties | white crystalline powder | Uses | TOAB has been used as recognition element in formulating potentiometric membrane to develop an electronic tongue system for monitoring nitrogen species level in water samples. | Uses | 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. | Flammability and Explosibility | Not classified |
| Tetraoctylammonium bromide Preparation Products And Raw materials |
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