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Potassium tetrakis(4-chlorophenyl)borate is used as lipophilic anionic site in constructing fluorescent optode for sodium. It was also used as coating for the piezoelectric crystal in quantifying Potassium using quartz crystal microbalance.
X Yang; K Wang; D Xiao; C Guo; Y Xu. Development of a fluorescent optode membrane for sodium ion based on the calixarene and tetraphenylporphine. Talanta. 2000, 52, (6), 1033-1039.
M Teresa; S R Gomes; K S Tavares; J A Oliveira. The quantification of potassium using a quartz crystal microbalance. Analyst (Cambridge UK). 2000, 125, (11), 1983-1986.
Tetraphenylborates cross couple with aryl halides in aqueous solutions with Pd(OAc) 2 catalyst: Dokl. Chem., 315, 354 (1990). See also Sodium tetraphenylborate, A10909.
Hazard Statements: H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. 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.