61475-31-8

It forms hexagonal clusters on recrystallisation from CCl4 or Et2O. [Wood & Comley J Chem Soc 2638 1924, Lettré et al. Chem Ber 69 1594 1936]. The racemate has m 137.2-137.6o (134-135o) [Smith et al. J Am Chem Soc 71 3772 1949]. [Beilstein R-10 II 5; S-10 II 6.]