Nitronium tetrafluoroborate

Names
Other names

nitronium fluoroborate

Identifiers

CAS Number

* 13826-86-3 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 9248612

EC Number |

* 237-533-5

PubChem CID

* 11073463

InChI

* InChI=1S/BF4.NO2/c2-1(3,4)5;2-1-3/q-1;+1

Key: RGVZMPONLYFINH-UHFFFAOYSA-N

SMILES

* [B-](F)(F)(F)F.[N+](=O)=O

Properties

Chemical formula

| NO
2BF

Molar mass | 132.81 g·mol−1
Structure[1]

Crystal structure

| monoclinic

Space group

| P21/c

Lattice constant

a = 6.5567 Å, b = 6.8243 Å, c = 9.1244 Å

α = 90.0°, β = 104.40°, γ = 90.0°

Lattice volume (V)

| 395.44

Formula units (Z)

| 4
Hazards
Safety data sheet | [1]
GHS pictograms |
GHS Signal word | Danger

GHS hazard statements

| H314, H317, H334

GHS precautionary statements

| P260, 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

Nitronium tetrafluoroborate is an inorganic compound with formula NO
2BF
4. It is a salt of nitronium cation and tetrafluoroborate anion.[1] It is a colorless crystalline solid, which reacts with water to form the corrosive acids hydrogen fluoride (HF) and nitric acid (HNO
3). 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 dinitrogen pentoxide (N

5).[2]

## Applications

Nitronium tetrafluoroborate is used in organic synthesis as an electrophilic nitrating agent and a mild oxidant.[3]

## References

1. ↑ 1.0 1.1 Krossing, Ingo; Raabe, Ines; Birtalan, Esther (2007-01-12). "Nitronium tetrafluoroborate". Acta Crystallographica Section E: Structure Reports Online 63 (2): i43–i44. doi:10.1107/S1600536807000207. ISSN 1600-5368. https://scripts.iucr.org/cgi-bin/paper?S1600536807000207.
2. ↑ Kenneth Schofield (1980). Aromatic nitration. CUP Archive. p. 88. ISBN 0-521-23362-3.
3. ↑ Olah, George A.; Prakash, G. K. Surya; Wang, Qi; Li, Xing-ya (2001-04-15). "Nitronium Tetrafluoroborate". in John Wiley & Sons, Ltd (in en). Encyclopedia of Reagents for Organic Synthesis. John Wiley & Sons, Ltd. doi:10.1002/047084289x.rn043. ISBN 978-0-471-93623-7.

* v
* t
* e

Tetrafluoroborates

* AgBF4
* Ba(BF4)2
* C7H7BF4
* Cd(BF4)2
* CsBF4
* Cu(BF4)2
* [Et3O]BF4
* [FeCp2]BF4
* HBF4
* (IPy2)BF4
* KBF4
* LiBF4
* [Me3O]BF4
* NaBF4
* NH4BF4
* NOBF4
* NO2BF4
* (FTEDA)BF4
* Zn(BF4)2

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*[CID]: Compound ID
*[H314]: Causes severe skin burns and eye damage
*[H317]: May cause an allergic skin reaction
*[H334]: May cause allergy or asthma symptoms of breathing difficulties if inhaled
*[P260]: Do not breathe dust/fume/gas/mist/vapours/spray
*[P264]: Wash … thoroughly after handling
*[P272]: Contaminated work clothing should not be allowed out of the workplace
*[P280]: Wear protective gloves/protective clothing/eye protection/face protection
*[P285]: In case of inadequate ventilation wear respiratory protection
*[P301+330+331]: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
*[P302+352]: IF ON SKIN: Wash with soap and water
*[P303+361+353]: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower
*[P304+340]: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
*[P304+341]: IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
*[P305+351+338]: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing
*[P310]: Immediately call a POISON CENTER or doctor/physician
*[P321]: Specific treatment (see … on this label)
*[P333+313]: If skin irritation or a rash occurs: Get medical advice/attention
*[P342+311]: Call a POISON CENTER or doctor/physician
*[P363]: Wash contaminated clothing before reuse
*[P405]: Store locked up
*[P501]: Dispose of contents/container to …
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