Nitronium tetrafluoroborate

Nitronium tetrafluoroborate
Names
Other names
nitronium fluoroborate, NO
2
BF
4
Identifiers
13826-86-3 YesY
Properties
BNO2F4
Molar mass 132.81
Hazards
Safety data sheet
R-phrases R34 R42 R43
S-phrases S26 S36 S37 S39 S45
Related compounds
Other cations
Nitrosonium tetrafluoroborate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.

Preparation

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.[1]

Applications

Nitronium tetrafluoroborate is used as a nitration agent.

References

  1. Kenneth Schofield (1980). Aromatic nitration. CUP Archive. p. 88. ISBN 0-521-23362-3.
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