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.
Hebei yanxi chemical co., ltd is a professional research and development of the production of lead acetate, 2-phenylethylamide enterprises.under the innovation in traditional production equipment and technology, the use of "high temperature cooling" and "plastic basin crystallization" technology, on the basis of reducing the cost of products to make the quality of products to the same industry. Under the close supervision of the quality inspection department of the company, we carry out production and sales in the way of "labeling", providing the most convenient and fastest service for users all over the world.
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