Preparation and application of 2,5-dichlorophenylhydrazine hydrochloride_Kain Industrial Additive
Background and overview[1][2] 2,5-Dichlorophenylhydrazine hydrochloride is an organic chemical substance that can be used as an organic intermediate. Preparation[1] Under nitrogen protection, add conc…
Preparation and application of 2,6-dichloro-4-trifluorotoluidine_Kain Industrial Additive
Background and overview[1] 2,6-Dichloro-4-trifluorotoluidine is a key intermediate of the pesticide fipronil. The chemical name of fipronil is 5-amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)-…
Preparation and application of 2,3-dichlorobenzoic acid_Kain Industrial Additive
Background and overview[1-2] Haloformic acid and its derivatives are an important class of chemical and pharmaceutical intermediates, which are widely used as raw materials for the production of fungi…
Preparation and application of 2,2′-diaminoethylene glycol diphenyl ether_Kain Industrial Additive
Background and overview[1-3] 2,2′-Diaminoethylene glycol diphenyl ether is a white crystalline powder with a melting point of 130-132°C. It is mainly used as the diazotization component for the …
Preparation and application of 2,3,3′,4′-biphenyltetracarboxylic dianhydride_Kain Industrial Additive
Background and overview[1] Biphenyl polyimide, as a high-performance polymer, has heat resistance, solvent resistance, radiation resistance, and good mechanical and dielectric properties. It is widely…
Preparation and application of 2,6-dichloro-4-trifluorotoluidine_Kain Industrial Additive
Background and overview[1] 2,6-Dichloro-4-trifluorotoluidine is a key intermediate of the pesticide fipronil. The chemical name of fipronil is 5-amino-3-cyano-1-(2,6-dichloro-4-trifluoromethylphenyl)-…
Preparation and application of 2,3,6,7,10,11-hexahydroxytriphenyl_Kain Industrial Additive
Background and overview[1-2] 2,3,6,7,10,11-Hexahydroxytriphenyl, referred to as HHHP, can be prepared from catechol in one step. There are reports in the literature that 2,3,6,7,10,11-hexahydroxytriph…
Preparation and application of 2,4,5,6-tetrafluoroisophthalonitrile_Kain Industrial Additive
Background and overview[1] 2,4,5,6-tetrafluoroisophthalonitrile can be used as a pharmaceutical synthesis intermediate, such as the preparation of dichloruron, which is an insect growth regulator, and…
Preparation and application of 2,6-dibromonitrobenzene_Kain Industrial Additive
Background and overview[1] 2,6-Dibromonitrobenzene can be used as a pharmaceutical synthesis intermediate. 2,6-dibromoaniline can be used as the reaction raw material and reacted with m-chloroperoxybe…