Agrochemical
impurities:
1. Tebuconazole impurities
S. No. |
Chemical Name |
Structure |
CAS No. |
01 |
(±)-1-(4-Chlorophenyl)-4,4-dimethyl-3-(1H,
1,2,4-triazol-1-ylmethyl)pentan-3-ol,
i.e. Tebuconazole |
|
107534-96-3 |
02 |
1-(4-chlorophenyl)-4,
4-dimethyl-3-pentanone |
|
66346-01-8 |
03 |
2-(2-(4-chlorophenyl)
ethyl)-2-(1, 1-dimethylethyl)-oxirane |
|
80443-63-6 |
04 |
2-(2-(4-chlorophenyl)
ethyl)-3, 3 dimethyl-1, 2-butanediol |
|
NA |
05 |
(±)-1-phenyl-4,4-dimethyl-3-(1H,
1,2,4-triazol-1-ylmethyl) pentan-3-ol |
|
NA |
2.
Azoxystrobin
impurities
S. No. |
Chemical Name |
Structure |
CAS No. |
01 |
Azoxystrobin |
|
131860-33-8 |
02 |
Methyl-2-[2-(6-methoxypyrimidin-4-yloxy)-phenyl]-3-methoxyacrylate |
|
NA |
03 |
Methyl-2-[2-(1-methyl-6-oxypyrimidin-4-yloxy)-phenyl]-3-methoxyacrylate |
|
NA |
04 |
Methyl-2-[2-(6-chloropyrimidin-4-yloxy)-phenyl]-3-methoxyacrylate |
|
NA |
05 |
Methyl(Z)-2-{2-[6-(2-cyanophenoxy)
pyrimidin-4-yloxy]phenyl}-3-methoxyacrylate |
|
143130-94-3 |
06 |
4,6-bis[2-(2-methoxy-1-methoxycarbonylvinyl)
phenoxy] pyrimidine |
|
NA |
07 |
2,2'-(pyrimidine-4,6-diylbis(oxy))
dibenzonitrile |
|
NA |
3.
Propiconazole impurities
S. No. |
Chemical Name |
Structure |
CAS No. |
01 |
Propiconazole |
|
60207-90-1 |
02 |
2-(2,4-Dichlorophenyl)-2-methyl-4-propyl-1,3-dioxolan |
|
83833-32-3 |
03 |
2,4-Dichloroacetophenone |
|
937-20-2 |
04 |
2-Bromomethyl-2-(2,4-dichloro
phenyl)-4-propyl-1,3-dioxalan |
|
60207-89-8 |
05 |
2-Hydroxymethyl- 2-(2,4-dichlorophenyl)-
4-propyl-1,3-dioxolan |
|
NA |
06 |
2-dibromomethyl-2-(2,4-dichloro
phenyl)-4-propyl-1,3-dioxalan |
|
NA |
07 |
4-(2-(2,4-Dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl-methyl)-4H-1,2,4-triazole |
|
221132-58-7
|
4.
Cyproconazole
S. No |
Chemical Name |
Structure |
CAS No. |
01 |
2-(4-Chlorophenyl)-3-Cyclopropyl-1-(4H-1,2,4-triazol-4-yl)butan-2-ol |
|
221132-58-7
|
5. Hexaconazole
S. No |
Chemical Name |
Structure |
CAS No. |
01 |
(RS)-2-(3, 4-dichlorophenyl)-1-(1H-1, 2,
4-triazol-1-yl) hexan-2-o1 |
|
87677-54-1 |
02 |
(RS)-2-(2, 5-dichlorophenyl)-1-(1H-1, 2,
4-triazol-1-yl) hexan-2-ol |
|
NA |
03 |
2-(2, 4-dichlorophenyl)-2-butyl oxirane |
|
88374-07-6 |
6.
Picoxystrobin.
S. No |
Chemical Name |
Structure |
CAS No. |
01 |
Methyl(E)-3-methoxy-2-{-2[2-oxo-6-(trifluoromethyl)pyridine-1-yl-methyl}
phenyl acrylate |
|
NA |
02 |
Methyl(E)-3-{(6-trifluoromethyl)pyridine-2-yloxy}-2-{2-[6-(trifluoromethyl)pyridine-2-yloxymethyl]phenyl}
acrylate |
|
NA |
7.
Halosufuron methyl
S. No |
Chemical Name |
Structure |
CAS No. |
01 |
2-amino-4,6-dimethoxypyrimidine
(Impurity-1) |
|
36315-01-2 |
02 |
Methyl-3chloro-5
methoxycarbonylsulfamoyl-1-methylpyrazole-4-carboxylate (Impurity-2) |
|
NA |
03 |
Methyl-3-chloro-1-methyl-5-sulfamoylpyrazole-4-carboxylate(Impurity-3) |
|
NA |
04 |
3-chloro-5-(4,6-dimethoxypyrimidine-2-yl-carbomyl
sulfamoyl)-1-methylpyrazole-4-carboxamide(Impurity-4) |
|
NA |
05 |
3-chloro-5-(4,6-dimethoxypyrimidin-2-ylcarbomyl
sulfamoyl)-1-methylpyrazole-4-carboxylic acid(Impurity-5 |
|
NA |
06 |
Methyl-5-(2-amino-4hydroxy-6-methoxypyrimidine-5-ylcarbonylsulfamoyl)-3-chloro-1-methylpyrazole-4-carboxylate(Impurity-6) |
|
NA |
07 |
1-(3,4-dichloro-1-methylpyrazole-5-sulfonyl)-3-(4,6-dimethoxypyrimidin-2-yl)
urea(Impurity-7) |
|
NA |
8.
Pyraclostrobin impurities
S. No |
Chemical Name |
Structure |
CAS No. |
01 |
Methyl N-(2-{[1-(4-chlorophenyl)-1H-pyrazol-3-yl]
oxymethyl}phenyl)carbamdate |
|
36315-01-2 |
02 |
N-(2{[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxymethyl}phenyl}N,O-bis(methoxycarbonyl)hydroxylamine
|
|
NA |
03 |
Methyl
N-(2{[1-(4-chlorophenyl)-4-bromo-1H-pyrazol-3-yl]oxymethyl}phenyl)
N-methoxycarbamate |
|
NA |
04 |
N,N-bis(2{{1-(4-chlorophenyl)-1-H-pyrazol-3-yl}Oxymethyl}phenyl)diazene
N-oxide |
|
NA |
05 |
1-(4-chlorophenyl)-3-methoxy-1 H-pyrazol |
|
NA |
06 |
Methyl N-(2{[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxymethyl}phenyl)
N-hydroxy carbamate |
|
NA |
07 |
2{[1-4-chlorophenyl)-1H-pyrazol-3-yl]oxymethyl]phenylamine |
|
NA |
08 |
1-(4-chlorophenyl)-2-methyl-1,2-dihydro-pyrazol-3-one |
|
|
09 |
1-(4-chlorophenyl)-1H-pyrazol-3-ol |
|
|
10 |
Methyl N-(2-{[1-(4-chlorophenyl)-3-chloro-1H-pyrazol-3-yl]oxymethyl}phenyl)
N-methoxy cabamate |
|
|
9.
Diafenthiuron impurities
S.No. |
Chemical Name |
Structure |
CAS No. |
01 |
Diafenthiuron |
|
80060-09-9 |
02 |
2,6-diisopropyl-4-phenoxy
phenyl thiourea |
|
135252-10-7
|
03 |
N-(2,6-diisopropyl-4-phenoxyphenyl)-O-methyl
thiocarbamate |
|
NA |
04 |
6-amino-1-(2,6-diisopropyl-4-phenoxyphenyl)-4-[(2,6-diispropyl-4-phenoxyphenyl)-amino]1,2-dihydro-1,3,5-triazin-2-thion |
|
NA |
05 |
1,3- Bis(2,6-diisopropyl-4-phenoxyphenyl)-thiourea |
|
NA |
06 |
1-(2,6-diisopropyl-4-phenoxyphenyl)isothiocyanate |
|
80058-93-1
|
10. Thiamethoxam impurities
S. No |
Chemical Name |
Structure |
CAS No. |
01 |
Thiamethoxam |
|
153719-23-4 |
02 |
N-(2-chloro-thiazol-5-ylmethyl)-N’-methyl-N”-nitro-guanidine |
|
205510-53-8 |
03 |
3-methyl-5-(2-phenylsulfon-thiazol-5-ylmethyl)-[1,3,5]oxadiazinan-4-ylidene-N-nitroamine |
|
NA |
04 |
(4Z)-3-methyl-N-nitro-5-{[2-(phenylsulfanyl)-1,3-thiazol-5-yl]methyl}-1,3,5-oxadiazinan-4-imine |
|
192439-46-6 |
05 |
3-(2-bromo-thiazol-5-ylmethyl)-5-methyl-[1,3,5]oxadiazinan-4-ylidene-N-nitroamine |
|
NA |
06 |
3-(2,4-dichloro-thiazol-5-ylmethyl)-5-methyl-[1,3,5]oxadiazinan-4-ylidene-N-nitroamine |
|
NA |
07 |
N-[3-(2-chloro-thiazol-5-ylmethyl)-5-methyl-[1,3,5]oxadiazinan-4-ylidene]-benzenesulfonamide |
|
NA |
11.Bifenthrin impurities
S. No |
Chemical Name |
Structure |
CAS No. |
01 |
Bifenthrin |
|
82657-04-3 |
02 |
3-(2- chloro-3, 3,
3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxylic acid (MTH acid) |
|
72748-35-7 |
03 |
3-(2- chloro-3, 3, 3-trifluoroprop-1-enyl)-2,2-dimethyl cyclopropanecarboxylic acid Anhydride(MTH acid
anhydride) |
|
NA |
04 |
(2-methyl(1,1’-biphenyl)-3-yl)methanol (Bifenthrin alcohol) |
|
76350-90-8 |
05 |
N,N-diethyl 3-(2-
chloro-3, 3, 3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxamide (N,N-diethyl amide) |
|
NA |
06 |
N-ethyl-3-(2-
chloro-3, 3, 3-trifluoro-1-propenyl)-2,2-dimethyl cyclopropanecarboxamide (N-Ethyl amide) |
|
NA |
07 |
3-(chloromethyl)-2-methyl (1,1’-biphenyl) |
|
84541-46-8 |
12.
Tolfenpyrad impurities
S. No |
Chemical Name |
Structure |
CAS No. |
01 |
Tolfenpyrad |
|
129558-76-5 |
02 |
3-Ethyl-1-methyl-N-[4-p-tolyloxy)-benzyl]pyrazole-5-carboxamide-4-(p-tolyloxy)benzamide |
|
NA |
03 |
4-Chloro-3-ethyl-1-methyl-N-(4-methoxybenzyl)pyrazole-5-carboxamide |
|
NA |
04 |
4-Chloro-3-ethyl-1-methyl-N-(4-(p-phenoxy)benzyl)pyrazole-5-carboxamide |
|
|
05 |
4-Chloro-3-ethyl-1-methyl-N-[2-(p-tolyloxy)benzyl]pyrazole-5-carboxamide |
|
NA |
06 |
4-Chloro-3-ethyl-1-methyl-N-[2-(o-tolyloxy)benzyl]pyrazole-5-carboxamide |
|
NA |
07 |
4-Chloro-3-ethyl-1-methyl-N-[2-(m-tolyloxy)benzyl]pyrazole-5-carboxamide |
|
NA |
13.
Profenofos impurities
S. No |
Chemical Name |
Structure |
CAS No. |
01 |
Profenofos Technical |
|
41198-08-7 |
02 |
O-(4-bromo-2-chloro-phenyl)-O-ethyl-O-n-propyl-thiophosphate
(BP-1) |
|
NA |
03 |
4-Bromo-2-chlorophenol (BP-2) |
|
3964-56-5 |
04 |
O,O-diethyl-S-n-propylthiophospate (BP-5) |
|
20195-06-6 |
05 |
O-(2-chloro-phenyl)-O-ethyl-S-n-propyl-thiophosphate
(BP-6) |
|
|
06 |
O-(2,4-dibromo-phenyl)-O-ethyl-S-n-propyl-thiophosphate
(BP-7) |
|
|
07 |
O-(2,4-dibromo-6-chloro-phenyl)-O-ethyl-S-n-propyl-thiophosphate
(BP-8) |
|
NA |
08 |
O-(4-bromo-2-chloro-phenyl)-O,S-diethyl-thiophosphate
(BP-9) |
|
|
09 |
O-(6-bromo-2-chloro-phenyl)-O-ethyl-S-n-propyl-thiophosphate
(BP-10) |
|
NA |
10 |
O-(4-bromo-2-chloro-phenyl)-O-n-propyl-S-n-propylthiophosphate
(BP-11) |
|
NA |
11 |
O-(4-bromo-2-chloro-phenyl)-O-O-diethyl-thiophosphate
(BP-12) |
|
NA |
12 |
O,O-bis-(4-bromo-2-chloro-phenyl)-S-n-propyl-thiophosphate
(BP-16) |
|
NA |
13 |
2-Bromo-6-chlorophenol |
|
2040-88-2 |
14.
Malathion impurities
S. No. |
Chemical Name |
Structure |
CAS No. |
01 |
Malathion Technical |
|
121-75-5 |
02 |
Phosphorodithioic acid, O,O,S-trimethyl ester |
|
2953-29-9 |
03 |
Phosphorothioic Acid, O,O,O-trimethyl ester |
|
- |
04 |
Diethyl 2-Mercaptosuccinate |
|
23060-14-2 |
05 |
Tetraethyl Dithiosuccinate |
|
- |
06 |
tetraethyl thiodisuccinate |
|
|
07 |
Dimethyl Malathion |
|
|
08 |
O,O-Dimethyl Phosphorothioate |
|
1112-38-5 |
09 |
Isomalathion |
|
|
15.
Lambdacyhalothrin Impurities
S. No. |
Chemical Name |
Structure |
CAS No. |
01 |
Lambdacyhalothrin |
|
91465—08-6 |
02 |
Lamdacyhalothrin
Diastereomeic isomer |
|
NA- |
03 |
(Z)-3-(2-chloro-3,3,3-trifluoropro-1-enyl)-2,2-dimethyl
cyclopropane carboxylic acid |
|
72748-35-7 |
04 |
α-cyano-3-phenoxybenzyl-3-(3,3,3-trifluoropro-1-enyl)-2,2-dimethylcyclopropane
carboxylate |
|
NA |
05 |
3-phenoxybenzyl-3-(2-chloro-3,3,3-trifluoropro-1-enyl)-2,2-dimethyl
cyclopropane carboxylate |
|
NA |
16.
Chlorantraniliprole Impurities
S. No. |
Chemical Name |
Structure |
CAS No. |
01 |
3-chloro-N-[4-chloro-2-methyl-6-[(methylamino)carbonylphenyl]-1-(3-chloro-2-pyridinyl)
1H-Pyrazole-5-carboxamide |
|
NA |
02 |
3-bromo-1-[5-bromo-3-chloro-2-pyridiny]-N-(4-chloro-2-methyl-6-[methylamino)carbonyl]phenyl)
1H-Pyrazole-5-carboxamide |
|
NA- |
03 |
3-bromo-N-[4-chloro-2-methyl-6-(methyloamino)carbonyl]phenyl]-1-(3-chloro-1-oxido-2-pyridinyl)
1H-Pyrazole-5-carboxamide |
|
NA |
04 |
2-[3-bromo-1(3-chloro-2-pyridinyl)-1-H-pyrazol-5-yl]-6-chloro-8-methyl-4H-3,1-Benzoxazin-4-one, |
|
NA |
05 |
3-bromo-1-(3-chloro-2-pyridinyl)-N-[2-methyl-6-[methylamino)carbonyl]phenyl]
1H-Pyrazole-5-carboxamide |
|
NA |
06 |
4H-3,1-benzoxazin-4-ylidene,2-[3-bromo-1-(chloro-2-pyridinyl)-1H-pyrazole-5-yl]-6-chloro-8-methyl-,
methanamine |
|
NA |
07 |
3-bromo-1-(3-chloro-2-pyridinyl) 1H-Pyrazole-5-carboxyli acid, |
|
NA |
08 |
2- amino-5-chloro –N,3-dimethyl Benzamide |
|
NA |
09 |
6-chloro-3,8-dimethyl2,4(1H,3H)-Quinazolinedione |
|
NA |
10 |
1H-Pyrazole-5-carboxamide,3-bromo-N-[3,4-dichloro-2-methyl-6-(methyloamino)carbonyl]phenyl]-1-(3-chloro-2-pyridinyl) |
|
NA |
11 |
Benzamide, 2[(methylsufonyl) amino]-5-chloro
–N,3-dimethyl |
|
NA |
12 |
2,6-dichloro-4-methyl-1H-pyrido(2,1-b)quinazolin-11-one |
|
NA |
13 |
4(3H)-Quinazolinone,2-[3-bromo-1-(3-chloro-2-pyridinyl)-1H-pyrazol-5-yl]6-chloro-3,8-dimethyl |
|
NA |
14 |
2H-Pyrazole-3-carboxamide,5-bromo-N-methyl |
|
NA |
15 |
3,3’-oxybis[1,3-chloro-2-pyridinyl)
N-[4-chloro-2-methyl-6-[methylamino)carbonyl]phenyl]
1H-Pyrazole-5-carboxamide |
|
NA |
17.Pyriproxyfen
impurities :
S. No. |
Chemical Name |
Structure |
CAS No. |
01 |
(RS)-1-(4-phenoxyphenoxy)-2-propanol |
|
NA |
02 |
4-phenoxyphenyl 2-pyridalyl ether |
|
NA- |
03 |
4-phenoxyphenyl
(RS)-1-methyl-2-(2-pyridyloxy) ethyl ether |
|
NA |
04 |
(RS)-1-methyl-2-(4-phenoxyphenoxy)
ethyl (RS)-2-(2-pyridyloxy) propyl ether |
|
NA |
05 |
4-phenoxyphenyl
(RS)-2-(4-chloro-2-pyridyloxy) propyl ether |
|
NA |
18.Acetamiprid
impurities:
S. No. |
Chemical Name |
Structure |
CAS No. |
01 |
N1-
Methyl-bis(2-chloro-5-methylpyridylamine) |
|
NA |
02 |
(E)-
N1 –(3-pyridylmethyl)-N2-cyano-N1-methyl acetamidine |
|
NA- |
03 |
(E)-
N1 –[(6-chloro-3-pyridyl)methyl]-N2-cyan oacetamidine |
|
NA |
04 |
(E)-
N1 –[(6-methoxy-3-pyridyl)methyl]-N2-cyano-N1-ethylacetamidine |
|
NA |
19.Bispyribac
Sodium impurities
S. No. |
Chemical Name |
Structure |
CAS No. |
01 |
Sodium
2,6-bis[(4,6-dimethoxypyrimidin-2yl)oxy] benzoate i.e.
Bispyribac sodium salt |
|
125401-92-5 |
02 |
Sodium
2-[(4,6-dimethoxypyrimidin-2-yl)oxy]-6-hydroxybenzoate |
|
NA |
03 |
Sodium
2,4-bis[(4,6-dimethoxypyrimidin-2-yl)oxy] benzoate |
|
NA |
04 |
Sodium 4,6-dimethoxy-2-oxidopyrimidine |
|
NA |
20. Pendimethalin impurities
S.No. |
Chemical Name |
Structure |
CAS No. |
01 |
3,4-Dimethyl-2,6-dinitro-N-pentan-3-yl-aniline, i.e.
Pendimethalin |
|
40487-42-1 |
02 |
1,2-Dimethyl-4-nitrobenzene |
|
99-51-4 |
03 |
3,4-Dimethyl-2,6-dinitro-aniline |
|
NA |
04 |
N-Isopropyl-3,4-dimethyl-2,6-dinitroaniline |
|
40318-47-6 |
05 |
N-(1-Methyl-propyl)-3,4-dimethyl-2,6-dinitroaniline |
|
NA |
06 |
N-(1-Ethyl-propyl)-3,4-dimethyl-6-nitroaniline |
|
NA |
07 |
N-(1-Ethylpropyl)-2,3-dimethyl-4,6-dinitroaniline |
|
NA |
08 |
N-Sec-butyl-3,4-dimethylaniline |
|
NA |
09 |
3,4-Dimethyl-N-(pentan-3-yl)aniline |
|
56038-89-2 |
10 |
N-(1-Ethyl-propyl)-3,4-dimethyl-2-nitro-6-chloro-aniline |
|
NA |
21.Metribuzin impurities
S.No. |
Chemical Name |
Structure |
CAS No. |
01 |
(4-amino-6-tert-butyl-3-(methylthio)-as-triazin-5(4H)-one
i.e. Metribuzin |
|
21087-64-9 |
02 |
Metribuzin,
N-Methyl isomer |
|
NA |
03 |
Butylthion |
|
NA |
04 |
Metribuzin-methylamine |
|
NA |
21. Clodinafop-propargyl impurities
S.No. |
Chemical Name |
Structure |
CAS No. |
01 |
2-Propynyl
(R)-2-[4-(5-chloro-3-fluoro-2-pyridinyloxy) phenoxy]propionate, i.e.
Clodinafop-propargyl |
|
105512-06-9 |
02 |
2-propynyl-2-[4-(3,5-difluoro-2-pyridinyloxy)-phemoxy]-propionate |
|
NA |
03 |
2,2’-(phenylene-1,4-dioxy)-dipropionic acid di-2-propynyl
ester |
|
NA |
04 |
2-Propynyl-2-[4-(5-chloro-2-fluro-3-pyridinyloxy)-phenoxy]-propionate
|
|
NA |
05 |
2-[4-(5-chloro-3-fluoro-pyridin-2-yloxy)-phenoxy]-N,N-dimethyl
propionate |
|
NA |
06 |
2-[4-(5-chloro-3-fluoro-pyridin-2-yloxy)-phenoxy] propionic
acid |
|
NA |
07 |
2-propynyl-2-[4-(3,5-dichloro-2-pyridinyloxy)-phenoxy]-propionate
|
|
NA |
08 |
2,2'-p-phenylenedioxy-di-propionic
acid |
|
99967-54-1 |
22.
Quizalofop-Ethyl Impurities
S. No. |
Chemical Name |
Structure |
CAS No. |
01 |
1-Ethoxycarbonylethyl-2-{4-(6-chloroquinoxalin-2-yloxy)phenoxy}propionate |
|
NA |
02 |
6-chloro-2,3-bis{4-(1-ethoxycarbonylethyl-1-oxy)phenoxy}quinoxaline |
|
NA |