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37148-48-4 with best price-Amino-3,5-dichloroacetophenone 37148-48-4
Time:2019/11/8 9:40:18 Hit:792
 
Chinese name: 3,5-Dichloro-4-aminoacetophenone
Chinese synonyms: 3,5-dichloro-4-aminoacetophenone; 1-(4-amino-3,5-dichlorophenyl)-ethanone; 3,5-dichloro-4-aminoacetophenone ;3,5-Dichloro-4-aminoacetophenone (CAS Number: 37148-48-4); Clenbuterol EP Impurity C; Clenbuterol EP Impurity C; 3,5-Dichloro-4- Aminobenzophenone
English name: 4-Amino-3,5-dichloroacetophenone
English synonyms: 1-(4-Amino-3,5-dichlorophenyl)-ethanone,3,5-Dichloro-4-aminoacetophenone;1-(4-Amino-3,5-dichloro-phenyl)-2-ethanone;5 -AMINO-3,5-DICHLORChemicalbookOACETOPHENONE;4``-AMINO-3'',5''-DICHLOROACETOPHENONECLENBUTEROL;4-Amino-3,5-dichloroacetophenone,98%;4-Amino-3,5-dichloroacetophenone ,1-(4-Amino-3,5-dichlorophenyl)-ethanone,3,5-Dichloro-4-aminoacetophenone;3,5-dichloro-p-aMinoacetophenone;4-AMino-3,5-dichloroacetophenone,98%5GR
CAS Number: 37148-48-4
Molecular formula: C8H7Cl2NO
Molecular weight: 204.05
EINECS number: 253-368-1
Content: 99%
Melting point: 162-166C(lit.)
Boiling point: 351.542.0C(Predicted)
Density: 1.2748 (roughestimate)
Refractive index: 1.5500 (estimatChemicalbooke)
Storage conditions: Refrigerator
Acidity coefficient: (pKa)-1.720.10(Predicted)
InChIKeyJLPKZJDZXIKSCP-UHFFFAOYSA-N
Chemical properties: beige crystals. Melting point 158-160C. It is insoluble in cold water, slightly soluble in hot water, and easily soluble in organic solvents such as ethanol, ether and benzene.
Uses: This product is an intermediate for the synthesis of a cough and asthma medicine, clestrant.
Uses: It is an intermediate of the drug clefanthin.
Production method: P-Aminoacetophenone Chemicalbook is chlorinated. Add p-aminoacetophenone and acetic acid (80%) into the reaction pot, stir to dissolve, quickly add the chlorine-containing glacial acetic acid solution, the feeding temperature is 5, after the addition, immediately put into the ice water to precipitate the precipitate, filter, and wash the crude product. Recrystallize with ethanol to obtain the finished product.
Packing: 25kg cardboard drum

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