TROPYLIUM TETRAFLUOROBORATE Chemical Properties

Melting point:

~240 °C (dec.)(lit.)

storage temp. 

Keep Cold

solubility 

Soluble in hot methanol.

form 

powder to crystal

color 

White to Light yellow to Light orange

Sensitive 

Moisture Sensitive

BRN 

3574512

CAS DataBase Reference

27081-10-3(CAS DataBase Reference)

EPA Substance Registry System

Cycloheptatrienylium, tetrafluoroborate(1-) (27081-10-3)

Safety Information

Hazard Codes 

Xi,C

Risk Statements 

37/38-34

Safety Statements 

22-28-45-36/37/39-26

RIDADR 

UN 3261 8/PG 2

WGK Germany 

3

F 

10-21

Hazard Note 

Irritant/Keep Cold/Moisture Sensitive

TSCA 

Yes

HazardClass 

8

PackingGroup 

III

HS Code 

29029090

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

TROPYLIUM TETRAFLUOROBORATE Usage And Synthesis

Chemical Properties

off-white to beige powder

Uses

Reactant or reagent involved in:• ;Retro-Buchner reactions for synthesis of arylcyclopropanes1• ;Desymmetrization for access to homocalystegine analogs2 or aminocycloheptitols3• ;α-Cyanation of imines4• ;Stereoselective α-alkylation of aldehydes with stable carbocations5• ;Oxidative C-H activation of aliphatic aldehydes6• ;Electrochemical Redox transformations7

Uses

Tropylium Tetrafluoroborate (CAS# 27081-10-3) can be used as an electrolytic solution for electrochemical devices, as well as for protective coatings for selenium electrophotographic plates.

Uses

Reactant or reagent involved in:

• Retro-Buchner reactions for synthesis of arylcyclopropanes
• Desymmetrization for access to homocalystegine analogs or aminocycloheptitols
• α-Cyanation of imines
• Stereoselective α-alkylation of aldehydes with stable carbocations
• Oxidative C-H activation of aliphatic aldehydes
• Electrochemical Redox transformations

TROPYLIUM TETRAFLUOROBORATE(27081-10-3)Related Product Information

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