| Title:  Mephosfolan CAS Registry Number:  950-10-7 CAS Name:  (4-Methyl-1,3-dithiolan-2-ylidene)phosphoramidic acid diethyl ester Additional Names:  phosphonodithioimidocarbonic acid cyclic propylene P,P-diethyl ester;  2-diethoxyphosphinylimino-4-methyl-1,3-dithiolane;  cyclic propylene (diethoxyphosphinyl)dithioimidocarbonate Manufacturers' Codes:  EI-47470;  ENT-25991 Trademarks:  Cytrolane (BASF) Molecular Formula:  C8H16NO3PS2 Molecular Weight:  269.32 Percent Composition:  C 35.68%, H 5.99%, N 5.20%, O 17.82%, P 11.50%, S 23.81% Literature References:  Insecticidal contact and stomach poison with systemic activity:  D. L. Bull et al., J. Econ. Entomol. 57, 112 (1964).  Prepn:  J. B. Lovell, US 3197365 (1965 to Am. Cyanamid).  Metabolism:  J. Zulalian, R. C. Blinn, J. Agric. Food Chem. 25, 1033 (1977).  Photodegradation:  C. C. Ku et al., ibid. 27, 1046 (1979). Properties:  Yellow to amber liquid, bp0.001 120°.  nD26 1.5354.  Soly in water at 25°:  57 g/kg.  Sol in acetone, ethanol, benzene, 1,2-dichloroethane.  Stable at neutral pH; hydrolyzed by acid or alkali. Boiling point:  bp0.001 120° Index of refraction:  nD26 1.5354 Use:  Insecticide, acaricide.  |