The Tetraethylammonium tetrafluoroborate, with the CAS registry number 429-06-1 and EINECS registry number 207-055-1, has the systematic name of N,N,N-triethylethanaminium tetrafluoroborate. And the molecular formula of this chemical is C₈H₂₀BF₄N. It is a kind of white crystals or crystalline powder which is hygroscopic.

The physical properties of Tetraethylammonium tetrafluoroborate are as following: (1)ACD/LogP: -3.17; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -3.17; (4)ACD/LogD (pH 7.4): -3.17; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 0 Å².

You should be cautious while dealing with this chemical. It irritates eyes, respiratory system and skin, and it is also harmful by inhalation, in contact with skin and if swallowed. Therefore, you had better take the following instructions: Wear suitable protective clothing, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: F[B-](F)(F)F.C([N+](CC)(CC)CC)C
(2)InChI: InChI=1/C8H20N.BF4/c1-5-9(6-2,7-3)8-4;2-1(3,4)5/h5-8H2,1-4H3;/q+1;-1
(3)InChIKey: XJRAKUDXACGCHA-UHFFFAOYAP