China Big discounting Articaine Hcl Powder - 4-Amino-3,5-Dichloroacetophenone CAS37148-48-4 – Kaimubuke Manufacturer and Supplier

Big discounting Articaine Hcl Powder - 4-Amino-3,5-Dichloroacetophenone CAS37148-48-4 – Kaimubuke

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Big discounting Articaine Hcl Powder - 4-Amino-3,5-Dichloroacetophenone CAS37148-48-4 – Kaimubuke Detail:

3, 5-dichloro-4-aminoacetophenone, which is a beige crystal. Melting point of 158-160 ℃. Insoluble in cold water, slightly soluble in hot water, soluble in ethanol, ether, benzene and other organic solvents.
Production method: chlorination of aminoacetophenone. Add p-aminoacetophenone and acetic acid (80%) into the reaction pot, stir to dissolve, quickly add chlorine-containing glacial acetic acid solution, feed temperature 5℃, add, immediately put into ice water precipitation, filtration, water washing, the obtained crude product with ethanol recrystallization, the finished product.
Application: The product is an intermediate in the synthesis of antitussive and antiasthmatic drug clasthenin.

CAS	37148-48-4	Name	4-Amino-3,5-dichloroacetophenone
Appearance	yellow powder	MF	C8H7Cl2NO
Purity	99%min	EINECS No	253-368-1
Application	Pharmaceutical /industrial/animal and so on	Grade	EP,USP,CP,JP
Boiling point	351.5±42.0 °C at 760 mmHg	Melting point	162-166
density	1.4±0.1 g/cm3	Molecular Weight	371

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