Nitronium tetrafluoroborate
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| Names | |
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| Other names
nitronium fluoroborate, NO
2BF 4 |
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| Identifiers | |
| ECHA InfoCard | 100.034.107 |
| Properties | |
| BNO2F4 | |
| Molar mass | 132.81 |
| Hazards | |
| Safety data sheet | [1] |
| R-phrases (outdated) | R34 R42 R43 |
| S-phrases (outdated) | S26 S36 S37 S39 S45 |
| Related compounds | |
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Other cations
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Nitrosonium tetrafluoroborate |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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 (what is   ?) |
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| Infobox references | |
Nitronium tetrafluoroborate is an inorganic compound with formula NO2BF4. It is a salt of nitronium cation and tetrafluoroborate anion. It is a colorless crystalline solid, which reacts with water to form the corrosive acids HF and HNO3. As such, it must be handled under water-free conditions. It is sparsely soluble in many organic solvents.
Nitronium tetrafluoroborate can be prepared by adding a mixture of anhydrous hydrogen fluoride and boron trifluoride to a nitromethane solution of nitric acid or nitrogen pentoxide.
Nitronium tetrafluoroborate is used as a nitration agent.
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