Tetraethylammonium Tetrafluoroborate CAS 429-06-1

Product name:Tetraethylammonium tetrafluoroborate
CAS:429-06-1
MF:C8H20BF4N
MW:217.06

EINECS: 207-055-1
Melting point: ≥300 °C
Density: 1.23 g/cm3

Purity:≥99%

White powder

1. Tetraethylammonium tetrafluoroborate CAS 429-06-1 is used as a phase transfer catalyst in organic synthesis, facilitating reactions between immiscible phases.
2. Tetraethylammonium tetrafluoroborate CAS 429-06-1 serves as a supporting electrolyte in electrochemical applications, including non-aqueous electrochemistry and battery research, due to its high ionic conductivity and electrochemical stability .
3. Tetraethylammonium tetrafluoroborate CAS 429-06-1 is employed as an electrolyte additive in the capillary electrophoretic separation of polyphenols and in the synthesis of conducting poly(thiophenes) .

1. Store Tetraethylammonium tetrafluoroborate CAS 429-06-1 in a tightly sealed container under an inert gas atmosphere, as it is hygroscopic and absorbs moisture from the air .
2. Tetraethylammonium tetrafluoroborate CAS 429-06-1 is recommended for storage at room temperature in a cool and dark place below 15°C .
3. For long-term storage of Tetraethylammonium tetrafluoroborate CAS 429-06-1, keep it at 4°C sealed and away from moisture; stock solutions should be stored at -80°C for up to 6 months or -20°C for up to 1 month .

1. Tetraethylammonium tetrafluoroborate CAS 429-06-1 causes serious eye irritation (H319, Category 2A-2B) according to GHS classification .
2. Tetraethylammonium tetrafluoroborate CAS 429-06-1 may cause respiratory irritation upon inhalation (STOT SE Category 3) .
3. Tetraethylammonium tetrafluoroborate CAS 429-06-1 has an oral LD50 of 500.1 mg/kg and a dermal LD50 of 1,100 mg/kg in rats, indicating moderate acute toxicity .
4. Tetraethylammonium tetrafluoroborate CAS 429-06-1 contains a fluoride ion that can reduce serum calcium levels, possibly causing fatal hypocalcemia in cases of significant exposure .

1. Tetraethylammonium tetrafluoroborate CAS 429-06-1 is not safe for uncontrolled handling due to its eye and respiratory irritation potential and moderate acute toxicity .
2. Tetraethylammonium tetrafluoroborate CAS 429-06-1 requires protective equipment including nitrile rubber gloves (0.11 mm thickness, 480 min breakthrough) and safety goggles tested to NIOSH or EN 166 standards .
3. Tetraethylammonium tetrafluoroborate CAS 429-06-1 is not regulated as a dangerous good for transport under IATA, IMDG, or DOT regulations .
4. Tetraethylammonium tetrafluoroborate CAS 429-06-1 must not be released into drains or the environment; waste material should be disposed of in accordance with national and local regulations .

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