Table 9121 Hydrolysis Halflives For Various Organic Chemicals

Chemical

Half-life

Chemical

Half-life

acetamide

3,950 y

ethion

9.9 d

atrazine

2.5 h

N-ethylacetamide

70,000 y

azirdine

154 d

ethyl acetate

136 d

benzoyl chloride

16 s

ethyl butanoate

5.8 y

benzyl bromide

1.32 h

ethyl trans-buteonate

17 y

benzyl chloride

15 h

ethyl difluoroethanoate

23 m

benzylidene chloride

0.1 h

ethyl dimethylethanoate

9.6 y

bromoacetamide

21,200 y

ethyl methylthioethanoate

87 d

bromochloromethane

44 y

ethyl phenylmethanoate

7.3 y

bromodichloromethane

137 y

ethyl propanoate

2.5 y

bromoethane

30 d

ethyl propenoate

3.5 y

1-bromohexane

40 d

ethyl propynoate

17 d

3-bromohexane

12 d

ethyl pyridylmethanoate

0.41 y

bromomethane

20 d

fluoromethane

30 y

bromomethylepoxyethane

16 d

2-fluor-2-methylpropane

50 d

1-bromo-3-phenylpropane

290 d

hydroxymethylpropane

28 d

1-bromopropane

26 d

iodoethane

49 d

3-bromopropene

12 h

iodomethane

110 d

chloroacetamide

1.46 y

2-iodopropane

2.9 d

chlorodibromoethane

274 y

3-iodopropene

2.0 d

chloroethane

38 d

isobutyramide

7,700 y

chlorofluoriodomethane

1.0 y

isopropyl bromide

2.0 d

chloromethane

339 d

isopropyl ethanoate

8.4 y

chloromethylepoxyethane

8.2 d

malathion

8.1 d

2-chloro-2methylpropane

23 s

methoxyacetanide

500 y

2-chloropropene

2.9 d

N-methylacetamide

38,000 y

3-chloropropene

69 d

methyl chloroethanoate

14 h

cyclopentanecarboxamide

5,500 y

methyl dichloroethanoate

38 m

dibromoethane

183 y

methylepoxyethane

14.6 d

1,3-dibromopropane

48 d

methyl parathion

10.9 d

dichloroacetamide

0.73 y

methyl trichloroethanoate

<3.6 m

dichloroiodomethane

275 y

monomethyl phosphate

1.0 d

dichloromethane

704 y

parathion

17 d

dichloromethyl ether

25 s

phenyl dichloroethanoate

3.7 m

diethyl methylphosphonate

990 y

phenyl ethanoate

38 d

dimethoxysulfone

1.2 m

phosphonitrilic hexamide

46 d

1,2-dimethylepoxyethane

15.7 d

propadienyl ethanoate

110 d

1,1-dimethylepoxyethane

4.4 d

ronnel

1.6 d

diphenyl phosphate

20.6 d

tetrachloromethane

7,000 y (1 ppm)

epoxyethane

12 d

tribromomethane

686 y

3,4 epoxycyclohexene

6 m

trichloroacetamide

0.23 y

3,4 epoxycyclooctane

52 m

trichloromethane

3,500 y

1,3-epoxy-1-oxopropane

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