Benzopinacol properties
Melting point 171-173 ° C (lit.)
Store below + 30 ° C.
Form Powder or Crystals
Color White to slightly yellow
Water solubility insoluble
Merck 14,1100
BRN 2061947
Stability Stable. Combustible. Incompatible with strong oxidizing agents.
CAS Database 464-72-2 (CAS DataBase Reference)
NIST chemical information Benzopinacol (464-72-2)
EPA chemical information 1,2-Ethanediol, 1,1,2,2-tetraphenyl- (464-72-2)
Benzopinacol use and synthesis method
Chemical white monoclinic. The temperature of 197 ° C, 222 ° C (decomposition). Soluble in boiling hot glacial acetic acid (1 part soluble in 11.5 parts), boiling benzene (1 part soluble in 26 parts), easily soluble in ether, carbon disulfide, chloroform.
Use organic synthesis intermediates.
Production Methods Photometric treatment of a mixture of benzophenone, isopropanol and trace amounts of glacial acetic acid produced tetraphenylene glycol in 93-94% yield.