加拿大PMRA發布農藥原藥中的殘留溶劑限值的提議

PMRA established limits for residual solvents in TGAIs

原藥中溶劑的殘留限量

Residual solvent

溶劑

Maximum PMRA general limit (ppm)

最高限量

Required limit of quantitation (LOQ) (ppm) 

定量限

四氯化碳carbon tetrachloride

--- (to be avoided)

1

1,2-二氯乙烷1,2-dichloroethane

--- (to be avoided)

1

苯benzene

--- (to be avoided)

1

1,4-二惡烷1,4-dioxane

4

1

氯仿chloroform

10

1

四氫呋喃tetrahydrofuran

100

10

吡啶pyridine

200

100

正己烷hexane

290

100

二氯甲烷dichloromethane

300

100

乙腈acetonitrile

410

100

N,N-二甲基甲酰胺N,N-dimethylformamide

500

100

N-甲基-2-吡咯烷酮N-methyl-2-pyrrolidone

530

100

氯苯chlorobenzene

600

100

環己烷cyclohexane

710

500

甲基環己烷methylcyclohexane

1000

500

N,N-二甲基乙酰胺N,N-dimethylacetamide

1090

500

二甲苯xylene

2170

1000

甲醇methanol

3000

1000

甲苯toluene

15000

1000