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16872-11-0 - Tetrafluoroboric acid, ca 50% w/w aq. soln. - Fluoboric acid - Tetrafluoroboric acid - L14037 - Alfa Aesar

L14037 Tetrafluoroboric acid, ca 50% w/w aq. soln.

Codice CAS
16872-11-0
Sinonimi
Fluoboric acid
Tetrafluoroboric acid

Dimensioni Prezzo ($) Quantità Disponibilità
100g 25,52
500g 60,15
2500g 153,47
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Tetrafluoroboric acid, ca 50% w/w aq. soln.

MDL
MFCD00011345
EINECS
240-898-3

Proprietà chimiche

Formula
HBF4
Peso formula
87.81
Punto di ebollizione
130° dec.
Densità
1.4
Solubilità
Miscible with water.

Applicazioni

Tetrafluoroboric acid is used in conjunction with various methods of cleaning and to treat the surface of substrates. It is also used as a radiotracer.

Note

Incompatible with strong bases, oxidizing agents and acids.

Letteratura

Precursor of tetrafluoroborate salts of various stabilized cations. See, e.g.: Org. Synth. Coll., 5, 1135 (pyrylium), 1138 (tropylium); 6, 364 (sulfonium), 991 (cyclopropenium).

Addition to aqueous solutions of aryldiazonium salts usually results in precipitation of the diazonium tetrafluoroborates, which are often stable enough to be isolated, and can undergo various reactions in non-aqueous solvents. For hydrodediazoniation in the presence of formamide, see: J. Chem. Soc., Perkin 1, 873 (1986). Probably their most important use is the Schiemann (or Balz-Schiemann) synthesis of aryl fluorides in which the tetrafluoroborate salt is heated neat or in an inert solvent. For examples, see: Org. Synth. Coll., 2, 188, 295, 299 (1943). Reviews: Org. React., 5, 193 (1949); Adv. Fluorine. Chem., 4, 1 (1965). See also Hexafluorophosphoric acid, L15728.

Chen, L.; Cao, X.; Huang, D.; Pan, Q. Switchable dielectric phase transition in tris(1-(chloromethyl)-1,4-diazabicyclo[2.2.2]octane) tetra(tetrafluoroborate) dichloride. Inorg. Chem. Commun. 2015, 61, 93-96.

Zhong, Z.; Brokmeiera, H.; Maawad, E.; Schell, N. In-situ investigation of the anisotropic mechanical behavior of rolled AA 7020-T6 alloy through lattice strain evolution during uniaxial tension. Mater. Sci. Eng., A 2015, 639, 519-525.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H301-H314

Toxic if swallowed. Causes severe skin burns and eye damage.

Dichiarazioni precauzionali: P260-P280-P301+P310-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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. Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Merck
14,4149
Classe di rischio
8
Gruppo di imballaggio
II
Codice tariffe armonizzato
2811.19
TSCA
Yes
RTECS
ED2685000

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