16555-98-9
16555-98-9 structure
- Name: 6-Acetyl-7-hydroxy-4-methyl-2H-chromen-2-one
- Chemical Name: 6-acetyl-7-hydroxy-4-methylchromen-2-one
- CAS Number: 16555-98-9
- Molecular Formula: C12H10O4
- Molecular Weight: 218.20500
- Create Date: 2018-12-24 17:46:12
- Modify Date: 2024-02-19 14:59:35
| Name | 6-acetyl-7-hydroxy-4-methylchromen-2-one |
|---|---|
| Synonyms |
4-methyl-6-acetyl-7-hydroxycoumarin
6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-onea 6-acetyl-7-hydroxy-4-methyl-2H-1-benzopyran-2-one HMS2469O24 6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one 7-hydroxy-6-acetyl-4-methylcoumarin 6-acetyl-7-hydroxy-4-methylcoumarin |
| Density | 1.322g/cm3 |
|---|---|
| Boiling Point | 439.8ºC at 760 mmHg |
| Molecular Formula | C12H10O4 |
| Molecular Weight | 218.20500 |
| Flash Point | 176.7ºC |
| Exact Mass | 218.05800 |
| PSA | 67.51000 |
| LogP | 2.00960 |
| Vapour Pressure | 2.39E-08mmHg at 25°C |
| Index of Refraction | 1.598 |
| HS Code | 2932209090 |
|---|
| Precursor 9 | |
|---|---|
| DownStream 3 | |
![4,6-dimethylpyrano[3,2-g]chromene-2,8-dione structure](https://image.chemsrc.com/caspic/252/54107-67-4.png)
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |