Title: Menthyl Borate
CAS Registry Number: 21105-05-5; 635-20-1 (stereo unspecified)
CAS Name: (1R,1¢R,1¢¢R,2S,2¢S,2¢¢S,5R,5¢R,5¢¢R)-5-Methyl-2-(1-methylethyl)cyclohexanol triester with boric acid (H3BO3)
Additional Names: l-menthyl orthoborate
Molecular Formula: C30H57BO3
Molecular Weight: 476.58
Percent Composition: C 75.61%, H 12.06%, B 2.27%, O 10.07%
Line Formula: (C10H19)3BO3
Literature References: Prepn: G. L. O'Connor, H. R. Nace, J. Am. Chem. Soc. 77, 1578 (1955); C. A. Brown, S. Krishnamurthy, J. Org. Chem. 43, 2731 (1978).
Properties: Crystals from 1:1 acetone-ethyl acetate, mp 150-152° (O'Connor); also reported as mp 155-158° (Brown).
Melting point: mp 150-152° (O'Connor); mp 155-158° (Brown)
Status: This monograph has been retired and is no longer subject to revision or update.