| Title:  Mefluidide CAS Registry Number:  53780-34-0 CAS Name:  N-[2,4-Dimethyl-5-[[(trifluoromethyl)sulfonyl]amino]phenyl]acetamide Additional Names:  5-acetamido-2,4-dimethyltrifluoromethanesulfonanilide;  methafluoridamid Manufacturers' Codes:  MBR-12325;  VEL-3973 Trademarks:  Vistar (3M);  Embark (3M) Molecular Formula:  C11H13F3N2O3S Molecular Weight:  310.29 Percent Composition:  C 42.58%, H 4.22%, F 18.37%, N 9.03%, O 15.47%, S 10.33% Literature References:  Prepn:  T. L. Fridinger, DE 2406475; idem, US 3894073 (1974, 1975 to 3M).  Metabolism:  G. W. Ivie, J. Agric. Food Chem. 28, 1286 (1980). Properties:  Cryst solid, mp 183-185°.  Vapor press at 25°:  <10-4 mm Hg.  pKa 4.6.  Soly at 25° (g/l):  water 0.18; benzene 0.31; dichloromethane 2.1; 1-octanol 17; methanol 310; acetone 350.  Aq solns decomp in uv light.  Mildly corrosive to metals. Melting point:  mp 183-185° pKa:  pKa 4.6 Use:  Plant growth regulator; herbicide.  |