| Title:  Metepa CAS Registry Number:  57-39-6 CAS Name:  1,1¢,1¢¢-Phosphinylidynetris[2-methylaziridine] Additional Names:  tris[2-methyl-1-aziridinyl]phosphine oxide;  tris[1-methylethylene]phosphoric triamide;  methyl aphoxide;  methapoxide;  MAPO Molecular Formula:  C9H18N3OP Molecular Weight:  215.23 Percent Composition:  C 50.22%, H 8.43%, N 19.52%, O 7.43%, P 14.39% Literature References:  Prepd by treatment of 2-methylethyleneimine with POCl3 in alk medium:  Parke et al., US 2606902 (1952 to Am. Cyanamid).  Toxicity study:  Gaines, Toxicol. Appl. Pharmacol. 14, 515 (1969). Properties:  Liquid, bp 90-92° (0.15-0.3 mm).  LD50 in male, female rats (mg/kg):  136, 213 orally (Gaines). Boiling point:  bp 90-92° (0.15-0.3 mm) Toxicity data:  LD50 in male, female rats (mg/kg):  136, 213 orally (Gaines) Use:  Chemosterilant; in creaseproofing and flameproofing textiles.  |