A2505412
(-)-Catechin , ≥97%(HPLC) , 18829-70-4
Synonym(s):
(−)-trans-3,3′,4′,5,7-Pentahydroxyflavane;(2S,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
CAS NO.：18829-70-4
Empirical Formula: C15H14O6
Molecular Weight: 290.27
MDL number: MFCD00135997
EINECS: 242-611-7
| Pack Size | Price | Stock | Quantity |
| 5MG | RMB1152.00 | In Stock |
|
| 25MG | RMB4399.20 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 93-96°; 175-177° when anhydr |
| alpha | D -16.8° |
| Boiling point: | 630.4±55.0 °C(Predicted) |
| Density | 1.593±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| solubility | DMF: 25 mg/ml; DMSO: 15 mg/ml; Ethanol: 5 mg/ml; PBS (pH 7.2): 1 mg/ml |
| form | A crystalline solid |
| pka | 9.54±0.10(Predicted) |
| color | White to off-white |
| LogP | 0.490 (est) |
| CAS DataBase Reference | 18829-70-4(CAS DataBase Reference) |
Description and Uses
In dyeing and tanning.
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| WGK Germany | 3 |
| F | 10 |
