Product

2'-HYDROXY-4',5'-DIMETHOXYACETOPHENONE

CAS No.：20628-06-2

Other grades of this product :

2'-HYDROXY-4',5'-DIMETHOXYACETOPHENONE Basic information

Product Name:	2'-HYDROXY-4',5'-DIMETHOXYACETOPHENONE
Synonyms:	AURORA KA-3659;4',5'-DIMETHOXY-2'-HYDROXYACETOPHENONE;4,5-DIMETHOXY-2-HYDROXYACETOPHENONE;1-(2-HYDROXY-4,5-DIMETHOXYPHENYL)ETHAN-1-ONE;2'-HYDROXY-4',5'-DIMETHOXYACETOPHENONE;2'-Hydroxy-4',5'-dimethoxyacetophenone>Ethanone, 1-(2-hydroxy-4,5-dimethoxyphenyl)-
CAS:	20628-06-2
MF:	C10H12O4
MW:	196.2
EINECS:
Product Categories:	Aromatic Acetophenones & Derivatives (substituted)
Mol File:	20628-06-2.mol

2'-HYDROXY-4',5'-DIMETHOXYACETOPHENONE Chemical Properties

Melting point	113-114°C
Boiling point	332.3±37.0 °C(Predicted)
density	1.172±0.06 g/cm3(Predicted)
pka	10.29±0.23(Predicted)
form	powder
color	White to Light yellow to Light orange
CAS DataBase Reference	20628-06-2(CAS DataBase Reference)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3
HS Code	2914500090

MSDS Information

Provider	Language
SigmaAldrich	English

2'-HYDROXY-4',5'-DIMETHOXYACETOPHENONE Usage And Synthesis

Uses

1-(2-Hydroxy-4,5-dimethoxyphenyl)ethanone is a useful reagent in Vilsmeier-Haack reaction.

Preparation

Preparation by partial methylation of 2,5-dihydroxy-4-methoxyacetophenone, ? with methyl iodide in the presence of potassium carbonate in refluxing acetone (81%) ; ? with dimethyl sulfate in the presence of potassium carbonate in refluxing acetone (71%), in the presence of sodium methoxide in methanol (byproduct) or in the presence of sodium hydroxide in boiling aqueous ethanol (37%) ; ? with an excess of ethereal diazomethane in methanol (93%).

2'-HYDROXY-4',5'-DIMETHOXYACETOPHENONE Preparation Products And Raw materials

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