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

CAS Number
16872-11-0
Synonyms
Fluoboric acid
Tetrafluoroboric acid

Stock No. Size Price ($) Quantity Availability
L14037-22 100g 28.40
L14037-36 500g 65.40
L14037-0E 2500g 167.00
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Tetrafluoroboric acid, ca 50% w/w aq. soln.

MDL
MFCD00011345
EINECS
240-898-3

Chemical Properties

Formula
HBF4
Formula Weight
87.81
Boiling Point
130° dec.
Density
1.4
Storage & Sensitivity
Ambient temperatures.
Solubility
Miscible with water.

Applications

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.

Notes

Incompatible with strong bases, oxidizing agents and acids.

Literature References

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.

GHS Hazard and Precautionary Statements

Hazard Statements: H314-H360FD

Causes severe skin burns and eye damage. May damage fertility. Suspected of damaging the unborn child. May damage fertility. May damage the unborn child.

Precautionary Statements: P201-P202-P260-P264b-P271-P281-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Use personal protective equipment as required. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Merck
14,4149
Hazard Class
8
Packing Group
II
Harmonized Tariff Code
2811.19
TSCA
Yes
RTECS
ED2685000

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