Nitrosyl Tetrafluoroborate
Title: Nitrosyl Tetrafluoroborate
CAS Registry Number: 14635-75-7
Additional Names: Nitrosonium tetrafluoroborate; nitrosyl borofluoride; nitrosyl fluoborate
Molecular Formula: BF4NO
Molecular Weight: 116.81
Percent Composition: B 9.26%, F 65.06%, N 11.99%, O 13.70%
Line Formula: NOBF4
Literature References: Prepd according to the equation: 2 HBF4 + N2O3 ®2 NOBF4 + H2O: Wilke-Dörfurt, Balz, Z. Anorg. Allg. Chem. 159, 219 (1927); Balz, Mailänder, ibid. 217, 162 (1934); H. S. Booth, D. R. Martin, Boron Trifluoride and Its Derivatives (New York, 1949) p 133 sqq. Review of tetrafluoroborates: Sharp, Adv. Fluorine Chem. 1, 68-128 (1960).
Properties: Birefringent, orthorhombic, hygroscopic platelets. d425 2.185. Sublimes at 0.01 mm and 250° without decompn. Decomposed by water. May be stored in glass bottles if absolutely dry.
Density: d425 2.185
Use: In the prepn of diazonium fluoborates.

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