2-Chloro-4-aminopyridine

Name: 2-chloro-4-aminopyridine

Other names: 4-amino - 2-Chloropyridine

CAS no. : 14432-12-3

Appearance: White or yellowish crystals

Content: 99% or higher

Packing: 25kg/ carton

USES: as an intermediate of plant growth regulator chlorfenuron.Used as intermediate of medicine, pesticide and pigment.

Production method:

The preparation method is iso-niacin as raw material, chlorination with phosphorus trichlorooxide to obtain 2-chloropyridine - 4-carboxylic acid, and then ammonia gas reaction to form the corresponding amide, and then Huffman degradation reaction to get the product.The product can also be obtained by using 2-chloropyridine -N- oxide as raw material, nitrifying with fuming nitric acid, and then reducing with iron powder in acetic acid.