Title:  Phenethyl Isothiocyanate 
CAS Registry Number:  2257-09-2 
CAS Name:  (2-Isothiocyanatoethyl)benzene 
Additional Names:  2-phenylethyl isothiocyanate;  PEITC 
Molecular Formula:  C9H9NS 
Molecular Weight:  163.24 
Percent Composition:  C 66.22%, H 5.56%, N 8.58%, S 19.64% 
Literature References:  Chemopreventive agent found in cruciferous vegetables; produced by hydrolysis of gluconasturtiin.  Prepn:  J. v. Braun, H. Deutsch, Ber. 45, 2188 (1912); E. Schmidt et al., Ann. 612, 11 (1958); and isoln from turnips:  E. P. Lichtenstein et al., J. Agric. Food Chem. 10, 30 (1962).  Isoln from cabbage and watercress seeds:  N. Kaoulla et al., Phytochemistry 19, 1053 (1980).  LC/MS determn in plasma and urine:  Y. Ji, M. E. Morris, Anal. Biochem. 323, 39 (2003).  Chemopreventive studies in animal models:  G. D. Stoner, Curr. Top. Plant Physiol. 15, 78 (1995); A. Nishikawa et al., Curr. Cancer Drug Targets 4, 373 (2004).  Mechanistic studies of anticancer activity and induction of apoptosis:  Y.-R. Chen et al., J. Biol. Chem. 277, 39334 (2002); R. Hu et al., Carcinogenesis 24, 1361 (2003); D. Xiao et al., Clin. Cancer Res. 11, 2670 (2005). 
Properties:  Colorless to pale yellow liquid, bp11 139-140°.  bp1.4-1.5 102-103°.  nD20 1.5904.  d420 1.0942.  LD50 in mice (mg/kg):  700 orally; 150 s.c.; 50 i.v. (Lichtenstein). 
Boiling point:  bp11 139-140°; bp1.4-1.5 102-103° 
Index of refraction:  nD20 1.5904 
Density:  d420 1.0942 
Toxicity data:  LD50 in mice (mg/kg):  700 orally; 150 s.c.; 50 i.v. (Lichtenstein) 
Use:  Flavor ingredient; provides the hot or burning sensation in horseradish.   |