429-42-5

Name	Tetrabutylammonium tetrafluoroborate
CAS	429-42-5
EINECS(EC#)	207-058-8
Molecular Formula	C16H36BF4N
MDL Number	MFCD00011634
Molecular Weight	329.27
MOL File	429-42-5.mol

Chemical Properties

Appearance	WHITE FINE CRYSTALLINE POWDER
Melting point	155-161 °C(lit.)
Fp	>93℃
storage temp.	−20°C
solubility	methanol: 0.1 g/mL, clear, colorless
form	Crystalline Powder
color	White
Water Solubility	Slightly soluble
Sensitive	Hygroscopic
Detection Methods	HPLC,NMR
BRN	3577508
InChIKey	DWWRDPSMLREDKW-UHFFFAOYSA-M
CAS DataBase Reference	429-42-5(CAS DataBase Reference)
NIST Chemistry Reference	Tetrabutylammonium tetrafluoroborate(429-42-5)
EPA Substance Registry System	429-42-5(EPA Substance)

Safety Data

Hazard Codes	Xi,T
Risk Statements	R36/37/38:Irritating to eyes, respiratory system and skin . less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36:Wear suitable protective clothing . S37/39:Wear suitable gloves and eye/face protection . less more
RIDADR	UN 1759 8/PG III
WGK Germany	3
Hazard Note	Irritant/Hygroscopic
TSCA	Yes
HazardClass	TOXIC, HYGROSCOPIC
PackingGroup	III
HS Code	29239000

Hazard Information

Chemical Properties

WHITE FINE CRYSTALLINE POWDER

Uses

TBATFB has been used as an electrolyte to understand the paraffin graphite powder modified with sweet potato tissue (PCPET) electrode response.

Uses

Tetrabutylammonium tetrafluoroborate may be used in the following studies:

As supporting electrolyte in the voltammetric determination of Δ(9)-tetrahydrocannabinol (Δ(9)-THC).
Synthesis of biologically relevant macrolactones, Sansalvamide A.
As supporting electrolyte in the determination of the oxidation and reduction potentials of 5,10,15,20-tetra[3-(3-trifluoromethyl)phenoxy]porphyrin by cyclic voltammetry.
Preparation of 1:1 adduct with 1,10-phenanthroline.
Used to prepare other tetrabutylammonium salts in aqueous solutions.
As electrolyte additive in the synthesis of conducting poly(thiophenes).

General Description

Tetrabutylammonium tetrafluoroborate (TBATFB) is a phase transfer catalyst. It can be synthesized by the reaction between 30% aqueous solution of tetrafluoroboric acid and 40% aqueous solution of tetrabutylamonium hydroxide. Tetrabutylammonium tetrafluoroborate acts as an electrolyte and inhibits the self-assembly of alkylthiosulfate on gold.

Purification Methods

Recrystallise it from H2O, aqueous EtOH or from EtOAc by cooling in Dry-ice. Also recrystallise it from ethyl acetate/pentane or dry acetonitrile. Dry it at 80o under vacuum. [Detty & Jones J Am Chem Soc 109 5666 1987, Hartley & Faulkner J Am Chem Soc 107 3436 1985.] The acetate has m 118±2o (from BuCl), the bromide has m 118o (from EtOAc) and the nitrate has m 120o (from *C6H6). [Witschonka & Kraus J Am Chem Soc 69 2472 1947, Wheeler & Sandstedt J Am Chem Soc 77 2024 1955, Beilstein 4 IV 558.]

Material Safety Data Sheet(MSDS)

Spectrum Detail

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