Perfluidone
Title: Perfluidone
CAS Registry Number: 37924-13-3
CAS Name: 1,1,1-Trifluoro-N-[2-methyl-4-(phenylsulfonyl)phenyl]methanesulfonamide
Additional Names: 1,1,1-trifluoro-4¢-(phenylsulfonyl)methanesulfono-o-toluidide; 2-methyl-4-phenylsulfonyltrifluoromethanesulfonanilide
Manufacturers' Codes: MBR-8251
Trademarks: Destun (3M)
Molecular Formula: C14H12F3NO4S2
Molecular Weight: 379.37
Percent Composition: C 44.32%, H 3.19%, F 15.02%, N 3.69%, O 16.87%, S 16.90%
Literature References: Selective pre-emergence herbicide. Prepn: Moore, Harrington, DE 2118190 (1972 to Minnesota Mining & Mfg.), C.A. 77, 19402u (1972). Activity: W. A. Gentner, Weed Sci. 21, 122 (1973).
Properties: Cryst solid, mp 142-144°. pKa 2.5. Vapor press. at 25°: <1 ´ 10-5 mm Hg. Soly in water at 22°: 60 mg/l. Soly (g/l): acetone 750; benzene 11; dichloromethane 162; methanol 595.
Melting point: mp 142-144°
pKa: pKa 2.5
Use: Herbicide.
 
 
Status: This monograph has been retired and is no longer subject to revision or update.

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