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A15275 Boron trifluoride diethyl etherate, 98+%

Codice CAS
Boron trifluoride etherate
Boron fluoride-ether

Stock No. Dimensioni Prezzo ($) Quantità Disponibilità
A15275-AE 100ml 28,00
A15275-AP 500ml 50,50
A15275-AU 1000ml 85,10
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Boron trifluoride diethyl etherate, 98+%


Proprietà chimiche

Peso formula
Punto di fusione
Punto di ebollizione
Punto di infiammabilità
Indice di rifrazione
Storage & Sensitivity
Moisture Sensitive. Store under Nitrogen. Ambient temperatures.
Miscible with ether and alcohol.


Boron trifluoride diethyl etherate is used as a Lewis acid catalyst in Mukaiyama aldol addition, alkylation, acetylation, isomerization, dehydrations and condensation reactions. It is involved in the prepattion of polyethers in polymerization reactions. As a catalyst, it is used in the preparation of cyclopentyl- and cycloheptyl[b]indoles and other diborane. It is also used in sensitive neutron detectors in ionization chambers as well as monitoring radiation levels in earth’s atmosphere.


Moisture sensitive. Store in cool place. Recommended to use under inet atomosphere. Incompatible with metals, acids, bases, alcohols, alkali metals, oxidizing agents and water. Reacts violently with water.


Lewis acid catalyst in a wide variety of applications, for example:

Mild dehydration of tertiary alcohols to alkenes: Tetrahedron Lett., 32, 6489 (1991). In the Diels-Alder reaction: J. Am. Chem. Soc., 99, 8116 (1977). In THP protection of alcohols: Synthesis, 81, (1972).

Reaction with Sodium borohydride, 35788, can be used for the in situ generation of diborane. For use in the hydroboration of ɑ-pinene, see: Org. Synth. Coll., 6, 943 (1988).

Has also been used in conjunction with BMS in the reduction of amides: J. Org. Chem., 47, 3153 (1982).

For use in the cleavage of ethers, see Tetra-n-butyl­ammonium iodide, A15484.

Catalyst for rearrangement of epoxides to carbonyl compounds, e.g. stilbene oxide to diphenylacetaldehyde and ring-contraction of isophorone oxide: Org. Synth. Coll., 4, 375 and 957 (1963), respectively.

Reaction with ortho esters gives high yields of crystalline dialkoxycarbenium salts, useful as powerful and selective alkylating agents, (compare Triethyl­oxonium tetrafluoroborate, A14420 and Trimethyl­oxonium tetrafluoroborate, A15175): Synth. Commun., 19, 2307 (1989).

Catalyst for the reaction of allyltin reagents with aldehydes and ketones. Addition to the carbonyl group proceeds with allylic rearrangement: Chem. Lett., 919, 977 (1979); Acc. Chem. Res., 20, 243 (1987):

For analogous 1,4-addition to p-benzoquinones, see 2,3-Dimethoxy-5-methyl-1,4-benzoquinone, B24777.

Dolas, H.; Sarac, A. S. An impedance-morphology study on poly(3-methylthiophene) coated electrode obtained in boron trifluoride diethyl etherate-acetonitrile. Synth. Met. 2014, 195, 44-53.

Mo, D.; Zhou, W.; Ma, X.; Xu, J. Facile electrochemical polymerization of 2-(thiophen-2-yl)furan and the enhanced capacitance properties of its polymer in acetonitrile electrolyte containing boron trifluoride diethyl etherate. Electrochim. Acta. 2015, 155, 29-37.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H226-H302-H331-H314-H318-H372

Flammable liquid and vapour. Harmful if swallowed. Toxic if inhaled. Causes severe skin burns and eye damage. Causes serious eye damage. Causes damage to organs through prolonged or repeated exposure.

Dichiarazioni precauzionali: P260-P280-P303+P361+P353-P305+P351+P338-P310a

Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. 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/doctor

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