27500-34-1
27500-34-1 structure
- Name: 3,3',4',5,7-Pentahydroxy-8-methoxyflavone
- Chemical Name: 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxychromen-4-one
- CAS Number: 27500-34-1
- Molecular Formula: C16H12O8
- Molecular Weight: 332.26200
- Create Date: 2017-01-12 22:16:58
- Modify Date: 2025-08-26 14:55:52
| Name | 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxychromen-4-one |
|---|---|
| Synonyms |
3,5,7,3',4'-pentahydroxy-8-methoxyflavone
gossypetin 8-methyl ether 2-(3,4-dihydroxy-phenyl)-3,5,7-trihydroxy-8-methoxy-chromen-4-one 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxy-4H-chromen-4-one Corniculatusin 8-methoxyquercetin 3,3',4',5,7-Pentahydroxy-8-methoxyflavon |
| Density | 1.73g/cm3 |
|---|---|
| Boiling Point | 659.4ºC at 760 mmHg |
| Molecular Formula | C16H12O8 |
| Molecular Weight | 332.26200 |
| Flash Point | 249.5ºC |
| Exact Mass | 332.05300 |
| PSA | 140.59000 |
| LogP | 1.99660 |
| Vapour Pressure | 5.38E-18mmHg at 25°C |
| Index of Refraction | 1.772 |
| HS Code | 2914509090 |
|---|
| Precursor 2 | |
|---|---|
| DownStream 0 | |
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |