Benzyltriethylammonium Bromide (BTEAB) CAS 5197-95-5 Powder
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Benzyltriethylammonium bromide (BTEAB) CAS 5197-95-5 powder
Benzyltriethylammonium bromide also known as N,N,N-Triethylbenzenemethanaminium bromide, Triethylbenzylammonium bromide. The molecular formula is C13H22BrN. This substance carries CAS 5197-95-5 and holds valid REACH registration. MSDS download is available for qualified buyers.
Benzyltriethylammonium bromide (BTEAB) is a white to off-white crystalline powder. It is a widely used quaternary ammonium salt phase transfer catalyst for organic synthesis. This chemical exhibits good solubility in polar solvents and moderate hygroscopicity under humid conditions.
Specification
| Item | Standard | Test Method |
|---|---|---|
| Benzyltriethylammonium bromide purity | ≥98.5 wt% | Argentometric titration |
| Water content | ≤1.0 wt% | Karl Fischer |
| Melting point | 192–195 °C | Capillary method |
| Appearance | White to off-white crystalline powder | Visual inspection |
Physical Properties
Appearance: White to off-white crystalline powder
Molecular weight: 272.23 g/mol
Melting point: 192–195 °C (decomposition)
Solubility: Soluble in ethanol, acetonitrile and other polar organic solvents; slightly soluble in water
Hygroscopicity: Slightly hygroscopic
Applications
Benzyltriethylammonium bromide (BTEAB) functions as a high-efficiency phase transfer catalyst. It is applied in synthetic routes for pharmaceutical intermediates, fine chemicals, pesticide intermediates and polymer modification reactions. It accelerates reactions between water-phase and organic-phase reactants.
FAQ
What packing type is suitable for Benzyltriethylammonium bromide long-term shipment? Sealed aluminium foil bags or fibre drums with inner plastic liners are recommended to control moisture intake and avoid caking.
Can Benzyltriethylammonium bromide be stored together with acids? Separate storage from acidic materials is required. Contact with strong acid may trigger decomposition and release irritant gas.
Is the REACH registration valid for all EU import scenarios? REACH registration covers this substance. MSDS download supports importers to complete local customs and compliance filing.
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