Nitronium tetrafluoroborate

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
Names
Other names
nitronium fluoroborate, NO
2BF
4
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.034.107
EC Number
  • 237-533-5
Properties
BNO2F4
Molar mass 132.81
Hazards
Safety data sheet
GHS pictograms
GHS Signal word Danger
GHS hazard statements
 H314, H317, H334
P260, P261, P264, P272, P280, P285, P301+330+331, P302+352, P303+361+353, P304+340, P304+341, P305+351+338, P310, P321, P333+313, P342+311, P363, P405, P501
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).
Y verify (what is YN ?)
Infobox references

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 dinitrogen pentoxide.[1]

Applications

Nitronium tetrafluoroborate is used as a nitration agent.

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