| Title:  Monobenzone CAS Registry Number:  103-16-2 CAS Name:  4-(Phenylmethoxy)phenol Additional Names:  p-(benzyloxy)phenol;  hydroquinone monobenzyl ether;  hydroquinone benzyl ether;  p-hydroxyphenyl benzyl ether;  benzyl hydroquinone;  monobenzyl hydroquinone Trademarks:  Benoquin;  Depigman (Hermal);  Pigmex;  Benzoquin;  Agerite Molecular Formula:  C13H12O2 Molecular Weight:  200.23 Percent Composition:  C 77.98%, H 6.04%, O 15.98% Literature References:  Prepd from hydroquinone and benzyl bromide in alcoholic KOH:  Schiff, Pellizzari, Ann. 221, 370 (1883).  Clinical evaluation:  S. W. Becker, Jr., M. C. Spencer, J. Am. Med. Assoc. 180, 279 (1962).  Toxicity study:  A. Takahashi, E. A. Inglis, Int. J. Polymer Sci. Technol. 3, 93 (1976). Properties:  Lustrous leaflets from water, mp 122.5°.  Practically insol in cold water.  Soly in boiling water ~1.0 g/100 ml.  Sol in alcohol, ether, benzene.  LD50 i.p. in mice:  >600 mg/kg (Takahashi). Melting point:  mp 122.5° Toxicity data:  LD50 i.p. in mice:  >600 mg/kg (Takahashi) Therap-Cat:  Depigmentor. Keywords:  Depigmentor.  |