詳細(xì)信息
- ;二水櫟精;二水槲皮黃素;櫟精二水合物;
- Quercetin dihydrate
- ;3,3,4,5,7-Pentahydroxyflavone hydrate;3,3,4,5,7-pentahydroxy-2-phenyl-4H-chromen-4-one dihydrate;Quercetin hydrate;3,3,4,5,7-Pentahydroxy-flavone dihydrate;3,3',4',5,7-Pentahydroxyflavone dihydrate; 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one dihydrate;2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one dihydrate;
- InChI=1/C15H10O7.2H2O/c16-7-4-10(19)12-11(5-7)22-15(14(21)13(12)20)6-1-2-8(17)9(18)3-6;;/h1-5,16-19,21H;2*1H2
- 300℃
- 642.4°C at 760 mmHg
- 248.1°C
- practically insoluble
- 性狀： 黃綠色粉末 氣味： 特殊氣味
- "Appearance Yellow powder Assay,HPLC Quercetin Dihydrate(On dry basis) 95.0%min Loss on drying(3h at 120℃) 12.0% max Ash(3h at 600℃) 0.3% max Melting point 305℃-315℃ Bulk density 0.20gm/cc min Tapped density ≥0.30gm/cc Reducing sugars Not be detected Heavy metals 10ppm max Lead 3ppm max Cadmium 1ppm max Arsenic 1ppm max Mercury 0.1ppm max Residue solvents Meets USP<467> Total bacterial count 1000cfu/g max Yeast&Mould 300cfu/g max Escherichia coli presence Negative Salmonella Negative Coliforms 10cfu/g max"
- 價格：756 元/公斤
- CAS NO：6151-25-3
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