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Cas Database |
| Name |
2H-1-Benzopyran-2-one,7-mercapto-4-methyl- |
EINECS | N/A |
| CAS No. | 137215-27-1 | Density | 1.301±0.06 g/cm3(Predicted) |
| PSA | 69.01000 | LogP | 2.39010 |
| Solubility | N/A | Melting Point |
N/A |
| Formula | C10H8O2S | Boiling Point | 356.5±37.0 °C(Predicted) |
| Molecular Weight | 192.238 | Flash Point | N/A |
| Transport Information | N/A | Appearance | N/A |
| Safety | 22-24/25 | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
7-Mercapto-4-methylbenzopyran-2-one;7-Mercapto-4-methylcoumarin;4-Methyl-7-thiocoumarin;4-methyl-7-thioumbelliferone; |
Article Data | 7 |
2H-1-Benzopyran-2-one,7-mercapto-4-methyl- Specification
The CAS register number of 2H-1-Benzopyran-2-one,7-mercapto-4-methyl- is 137215-27-1. It also can be called as 4-Methyl-7-thiocoumarin. The molecular formula about this chemical is C10H8O2S and the molecular weight is 192.23. If you want to use this chemical, do not breathe dust and avoid contact with skin and eyes.
Preparation: this chemical can be prepared by dimethyl-thiocarbamic acid S-(4-methyl-2-oxo-2H-chromen-7-yl) ester. This reaction will need reagent of 28percent sodium methoxide and solvent of methanol. The reaction time is 16 hours with ambient temperature. The yield is about 75%.
Uses of 2H-1-Benzopyran-2-one,7-mercapto-4-methyl-: it can be used to produce 4-methyl-7-(2-oxo-propylsulfanyl)-chromen-2-one with 1-chloro-propan-2-one. This reaction will need reagent of K2CO3 and solvent of acetone. This reaction needs heating and the reaction time is 2 hours. The yield is about 73%.
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