| Quantity: | |
|---|---|
490-46-0
bosschem
490-46-0
L-Epicatechin Basic information | |
Product Name: | L-Epicatechin |
CAS: | 490-46-0 |
MF: | C15H14O6 |
MW: | 290.27 |
EINECS: | 207-710-1 |
Mol File: | 490-46-0.mol |
L-Epicatechin Chemical Properties | |
Melting point | 240 °C (dec.)(lit.) |
alpha | -55～-65゜(D/20℃)(c=1,CH3OH) |
Boiling point | 629.2 °C |
density | 1.593±0.06 g/cm3(Predicted) |
storage temp. | -20°C |
solubility | insoluble in H2O; insoluble in EtOH; ≥14.5 mg/mL in DMSO |
form | Solid |
pka | 9.54±0.10(Predicted) |
color | White to Light yellow to Light orange |
Optical Rotation | Consistent with structure |
biological source | green tea |
Water Solubility | Soluble in water or alcohol |
Merck | 131,912 |
BRN | 92760 |
Stability: | Hygroscopic |
Major Application | metabolomics |
vitamins, nutraceuticals, and natural products | |
Cosmetics Ingredients Functions | ANTIOXIDANT |
HAIR DYEING | |
ORAL CARE | |
SKIN CONDITIONING - MISCELLANEOUS | |
SKIN PROTECTING | |
DEODORANT | |
ASTRINGENT | |
InChI | 1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m1/s1 |
InChIKey | PFTAWBLQPZVEMU-UKRRQHHQSA-N |
SMILES | O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3 |
LogP | 0.490 (est) |
CAS DataBase Reference | 490-46-0(CAS DataBase Reference) |
PARAMETER | UNIT | SPECIFICATION | ANALYTICAL RESULT | METHOD | ||||
Visual Appearance 外观 | - | White powder | Conform | Organoleptic | ||||
Taste 味道 | - | characteristic | Conform | Organoleptic | ||||
EC EC含量 | % | ≥98 | 98.59 | HPLC | ||||
Caffeine 咖啡因含量 | % | ≤0.1 | Conform | HPLC | ||||
Moisture content 水分含量 | % | ≤5.0 | 0.22 | 105℃, 4 hours | ||||
Ash 灰分 | % | ≤0.5 | 0.10 | GB 5009.4-2016 | ||||
Particle Size 颗粒大小 | - | 100% pass 60 mesh | Conform | |||||
Tapped Density 堆密度 | g/cm3 | 0.50-0.60 | 0.60 | |||||
pH 酸碱度 | - | 4--6 | 5.56 | WS3-B-3380-98 | ||||
Heavy Metal 重金属含量 | ||||||||
Heavy Metal (Pb) 铅 | ppm | ≤5.0 | Conform | GB 5009.75-2016 | ||||
Heavy Metal (As) 砷 | ppm | ≤2.0 | Conform | GB 5009.76-2016 | ||||
Heavy Metal (Hg) 汞 | ppm | ≤0.5 | Conform | GB 5009.17-2016 | ||||
Microbiology 微生物 | ||||||||
Total Plate Count 菌落总数 | colony/g | ≤1000 | Conform | GB4789.2-2016 | ||||
Yeast & Mold 酵母菌和霉菌 | colony/g | ≤100 | Conform | GB4789.15-2016 | ||||
Salmonella 沙门氏菌 | colony/g | Nagetive | Absent | GB4789.4-2016 | ||||
E.coli 大肠杆菌 | colony/g | Nagetive | Absent | GB4789.3-2016 | ||||
