Nitrosyl tetrafluoroborate

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Structural formula
Structural formula of nitrosyl tetrafluoroborate
General
Surname Nitrosyl tetrafluoroborate
other names
  • Nitrosyl fluoroborate
  • Nitrosyl boron fluoride
Molecular formula NO [BF 4 ]
Brief description

colorless solid

External identifiers / databases
CAS number 14635-75-7
EC number 238-679-2
ECHA InfoCard 100.035.148
PubChem 151929
Wikidata Q10859916
properties
Molar mass 116.82 g mol −1
Physical state

firmly

density

2.185 g cm −3

Sublimation point

250 ° C

solubility

Decomposes in water

safety instructions
GHS labeling of hazardous substances
05 - Corrosive

danger

H and P phrases H: 314
EUH: 031
P: 260-303 + 361 + 353-305 + 351 + 338-301 + 330 + 331-405-501
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Nitrosyl tetrafluoroborate is a chemical compound from the group of nitrosyl compounds .

Extraction and presentation

Nitrosyl tetrafluoroborate can be obtained by reacting tetrafluoroboric acid with nitrous oxide and then subliming the resulting monohydrate in vacuo.

properties

Nitrosyl tetrafluoroborate is a colorless, hygroscopic solid in the form of birefringent flakes. It decomposes in water with the escape of nitrogen oxides . It has an orthorhombic crystal structure with the space group Pbnm (space group no. 62, position 3) . Template: room group / 62.3

use

Nitrosyl tetrafluoroborate can be used to make NOF. It is also used as a nitrosating agent from secondary amines to nitrosamines, to convert aryl hydrazines to azides and other organic reactions.

Individual evidence

  1. a b c d e f g Data sheet Nitrosonium tetrafluoroborate, 98% from AlfaAesar, accessed on September 24, 2013 ( PDF )(JavaScript required) .
  2. a b c d Georg Brauer (Ed.), With the collaboration of Marianne Baudler a . a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 237.
  3. ^ Jean d'Ans, Ellen Lax, Roger Blachnik: Pocket book for chemists and physicists . Springer DE, 1998, ISBN 3-642-58842-5 , pp. 580 ( limited preview in Google Book search).