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B20167 Nitronium tetrafluoroborate, 96%

CAS Number
Nitryl tetrafluoroborate

Stock No. Size Price ($) Quantity Availability
B20167-06 5g 64.90
B20167-14 25g 200.00
B20167-22 100g 702.00
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Nitronium tetrafluoroborate, 96%


Chemical Properties

Formula Weight
Melting point
ca 240° dec.
Storage & Sensitivity
Keep Cold. Moisture Sensitive. Store under Nitrogen.
Decomposes in water.


Nitronium tetrafluoroborate has been shown to be a versatile nitrating agent for nitrogen compounds, giving the corresponding N-nitro derivative when reacted with secondary aliphatic amines, an acyl aliphatic amine, a carbamate ester: a diacyl amine and primary amides.


Moisture sensitive. Store away from oxidizing agents, bases, water/moisture and heat. Keep the container tightly closed and place it in a cool, dry and well ventilated condition. Store under inert gas. Keep it refrigerated.

Literature References

George A. Olah, et al. Aromatic Substitution. VIII.1 Mechanism of the Nitronium Tetrafluoroborate Nitration of Alkylbenzenes in Tetramethylene Sulfone Solution. Remarks on Certain Aspects of Electrophilic Aromatic Substitution2.J. Am. Chem. Soc.,1961,83(22), 4571-4580.

George A. Olah, et al. Electrophilic reactions at single bonds. 25. Nitration of adamantane and diamantane with nitronium tetrafluoroborate.J. Am. Chem. Soc.,1993,115(6), 7246-7249.

Crystalline salt of the active species in the nitration of arenes. Enables nitration to be carried out in non-aqueous, non-acidic systems (typically in Sulfolane, A13466). For mono- and dinitration of o-tolunitrile without hydrolysis, see: J. Chem. Soc., 4257 (1956); J. Am. Chem. Soc., 83, 4564 (1961).

In acetonitrile solution, addition of the nitronium ion to alkenes, followed by Ritter reaction of the resulting carbonium ion with the solvent, leads to the nitroacetamide: J. Org. Chem., 36, 3641 (1971).

Allylsilanes undergo desilylative nitration with allylic rearrangement; in chiral systems the reaction is enantioselective, useful in the synthesis of (E)-olefin dipeptide isosteres: J. Org. Chem., 60, 7714 (1995).

Has also been used for the oxidative cleavage of O-methyl ethers of aliphatic alcohols; e.g. benzyl methyl ether is cleaved to benzaldehyde: J. Org. Chem., 42, 3097 (1977). Ethylene dithioacetals are cleaved to carbonyl compounds: Synthesis, 273 (1979).

GHS Hazard and Precautionary Statements

Hazard Statements: H314-H334

Causes severe skin burns and eye damage. May cause allergy or asthma symptoms or breathing difficulties if inhaled.

Precautionary Statements: P260-P264b-P280-P285-P301+P330+P331-P303+P361+P353-P304+P341-P305+P351+P338-P310-P342+P311-P363-P501c

Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Wear protective gloves/protective clothing/eye protection/face protection. In case of inadequate ventilation wear respiratory protection. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: If breathing is difficult, remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

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