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| 2'-HYDROXY-4',5'-DIMETHOXYACETOPHENONE Basic information |
| 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) | storage temp. | RT, stored under nitrogen | form | powder | pka | 10.29±0.23(Predicted) | color | White to Light yellow to Light orange | CAS DataBase Reference | 20628-06-2(CAS DataBase Reference) |
Hazard Codes | Xi | Risk Statements | 36/37/38 | Safety Statements | 26-36 | WGK Germany | 3 | HS Code | 2914500090 |
| 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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