N-ETHYLBENZISOXAZOLIUM TETRAFLUOROBORATE
- CAS NO.：4611-62-5
- Empirical Formula: C9H10BF4NO
- Molecular Weight: 234.99
- MDL number: MFCD00031785
- EINECS: 225-019-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 02:41:04
What is N-ETHYLBENZISOXAZOLIUM TETRAFLUOROBORATE?
Purification Methods
Recrystallise it from MeCN/EtOAc to give magnificent crystals. It is not hygroscopic but on long exposure to moisture it etches glass. It is light-sensitive and should be stored in brown glass bottles. UV (H2O), max 258nm ( 13 100) and 297nm ( 2 900), IR (CH2Cl2): max 1613 (C=N) and 1111-1000 (BF 4 ) [UV, IR, NMR: Kemp & Woodward Tetrahedron 21 3019 1965].
Properties of N-ETHYLBENZISOXAZOLIUM TETRAFLUOROBORATE
| Melting point: | 108-110 °C(lit.) |
| storage temp. | Store at 0-5°C |
| Sensitive | Hygroscopic |
| CAS DataBase Reference | 4611-62-5(CAS DataBase Reference) |
Safety information for N-ETHYLBENZISOXAZOLIUM TETRAFLUOROBORATE
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for N-ETHYLBENZISOXAZOLIUM TETRAFLUOROBORATE
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