![](/CAS/GIF/120068-37-3.gif)
Fipronil synthesis
- Product Name:Fipronil
- CAS Number:120068-37-3
- Molecular formula:C12H4Cl2F6N4OS
- Molecular Weight:437.15
![TRIFLUOROMETHYL SULFINYL CHLORIDE](/CAS/GIF/20621-29-8.gif)
20621-29-8
83 suppliers
inquiry
![5-Amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole](/CAS/GIF/120068-79-3.gif)
120068-79-3
232 suppliers
$10.00/1g
![Fipronil](/CAS/GIF/120068-37-3.gif)
120068-37-3
555 suppliers
$14.56/5G
Yield:120068-37-3 99%
Reaction Conditions:
with dimethylamine p-toluenesulfonate for 10 h;Heating;
Steps:
4
4. Add CF3SOCl to the appropriate reagent, react, heat up, and then add 99.5% of 5-amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole. And a mixture of p-toluenesulfonic acid dimethylamine salt, while adding a catalyst, and reacting for 10 hours, the solvent was evaporated under reduced pressure to obtain 98-99% of fipronil.
References:
CN104557713,2018,B Location in patent:Paragraph 0007; 0012
![FIPRONIL-SULFIDE](/CAS/GIF/120067-83-6.gif)
120067-83-6
73 suppliers
$505.24/5MG
![Fipronil](/CAS/GIF/120068-37-3.gif)
120068-37-3
555 suppliers
$14.56/5G
![Sodium trifluoromethanesulfinate](/CAS/GIF/2926-29-6.gif)
2926-29-6
282 suppliers
$6.00/5g
![5-Amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole](/CAS/GIF/120068-79-3.gif)
120068-79-3
232 suppliers
$10.00/1g
![Fipronil](/CAS/GIF/120068-37-3.gif)
120068-37-3
555 suppliers
$14.56/5G
![TRIFLUOROMETHYL SULFINYL CHLORIDE](/CAS/GIF/20621-29-8.gif)
20621-29-8
83 suppliers
inquiry
![diMethylaMMoniuM 4-Methylbenzenesulfonate](/CAS/20180808/GIF/2840-22-4.gif)
2840-22-4
6 suppliers
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![5-Amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole](/CAS/GIF/120068-79-3.gif)
120068-79-3
232 suppliers
$10.00/1g
![Fipronil](/CAS/GIF/120068-37-3.gif)
120068-37-3
555 suppliers
$14.56/5G
![potassium trifluoromethanesulfonate](/CAS/GIF/41804-89-1.gif)
41804-89-1
28 suppliers
$110.00/1g
![5-Amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)pyrazole](/CAS/GIF/120068-79-3.gif)
120068-79-3
232 suppliers
$10.00/1g
![Fipronil](/CAS/GIF/120068-37-3.gif)
120068-37-3
555 suppliers
$14.56/5G