The zine salt showed no degradation when exposed to sunlight for 
varying periods up to 1% hours. In soil, degradation of zineb occurred 
but was not complete even after 45 days (Iley and Fiskell, 1963). 
H 
CH) - NY 
ps + Na9C8$3 
Ho - N 
H 
Ethylene Thiourea 
CH E thee ssc oh CH» -NH 
- - - -~ a - - - - 
: haat {° oer ce 2CS5 
CH» - N-G¢-S-Na CH) -N-C-SH CH» -NH> 
! 
HS H's 
Nabam 
. H /S 
‘4 
CH -N=C=S CHy -N-CU 
PQ + poly E.T.M. + 5S 
CH, -N-C-S-Na CH -N-C. 
HM H “s 
S 
Ethylene thiuram 
monosul fide 
(E.T.M.) 
sd 
H ,S Ji 
y 
CH» -N=C=S CH -N-c” CH -N=C 
| iS As ae \NH ¥: 
CH2 -N-C-SH CH -N-Cy CH2 -N=CL 
H i H 6S SH 
{ , 
RSH ul 
CH3-N=C=S —_—_— oO SO2R-S-C-N-CHG 
H 
Methyl Isothio- 
cyanate 
105 
