Sulfuryl Fluoride (S0,F,) 
Under conditions of usage as a grain fumigant, sulfuryl fluoride 
reacted with protein and released inorganic fluoride. Some sulfate was 
also found (968) 
RNH» 
SOF, > RNH-SO,F + F 
$ 4 
S0,=,F- RNH-SO .~ RNH-SO..-NH-R 
+ + 
F- E> 
Sumiphonothion [0-methyl 0-3-methy1-4-nitrophenyl methylphosphonothioate | 
p32 jabeled sumiphonothion was fed to Swiss mice. Examination by 
ion-exchange chromatography of collected urine and feces revealed seven 
compounds: sumiphonothion oxon and its desmethyl analog, desmethyl 
sumiphonothion, O-methyl methylphosphonothioate, O-methyl methylphos- 
phonate and methyl phosphonate. One other compound was found but not 
identified (682). 
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