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Published TCIMAIL newest issue No.197
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CAS RN: 63212-53-3 | Product Number: C0905
2-Chloro-3-ethylbenzoxazolium Tetrafluoroborate
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Purity: >97.0%(T)(N)
Synonyms:
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 5G |
57,00 €
|
4 | 1 |
|
| 25G |
224,00 €
|
1 | 4 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
| Product Number | C0905 |
| Purity / Analysis Method | >97.0%(T)(N) |
| Molecular Formula / Molecular Weight | C__9H__9BClF__4NO = 269.43 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature | Frozen (<0°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Moisture Sensitive,Heat Sensitive |
| CAS RN | 63212-53-3 |
| Reaxys Registry Number | 19236082 |
| PubChem Substance ID | 87565961 |
| SDBS (AIST Spectral DB) | 11266 |
| MDL Number | MFCD00011943 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(with Total Nitrogen) | min. 97.0 % |
| Purity(Argentometric Titration) | min. 97.0 % |
| NMR | confirm to structure |
Properties (reference)
| Melting Point | 131 °C |
GHS
| Pictogram |
|
| Signal Word | Danger |
| Hazard Statements | H302 : Harmful if swallowed. H314 : Causes severe skin burns and eye damage. |
| Precautionary Statements | P260 : Do not breathe dust. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. |
Related Laws:
| EC Number | 263-998-9 |
Transport Information:
| UN Number | UN1759 |
| Class | 8 |
| Packing Group | III |
| HS Number | 2934999090 |
Application
Activating Agent for Hydroxy Groups
Experimental procedure: To a stirred suspension of 2-chloro-3-ethylbenzoxazolium tetrafluoroborate (1.3 mmol) and tetraethylammonium chloride (1.0 mmol) in dichloromethane (2 mL) cooled to 0 °C is added triethylamine (1.3 mmol) in dichloromethane (1 mL) under an argon atmosphere. To the yellow suspension is added dropwise 3β-cholestanol (1.0 mmol) in dichloromethane (1.5 mL) and the resulting mixture is stirred at the same temperature for additional 4 h. After evaporation of the solvent reduced pressure, the residue is directly chromatographed on silica gel eluting with hexane to give 1 in 85% yield.
References
- A NEW SYNTHETIC METHOD FOR THE TRANSFORMATION OF ALCOHOLS TO ALKYL CHLORIDES USING 2-CHLOROBENZOXAZOLIUM SALT
PubMed Literature
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