BD1440332
Usnic acid , 98% , 125-46-2
CAS NO.：125-46-2
Empirical Formula: C18H16O7
Molecular Weight: 344.32
MDL number: MFCD00065294
EINECS: 204-740-7
| Pack Size | Price | Stock | Quantity |
| 250mg | RMB35.20 | In Stock |
|
| 1g | RMB87.20 | In Stock |
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| 5g | RMB240.00 | In Stock |
|
| 10g | RMB423.20 | In Stock |
|
| 25g | RMB912.80 | In Stock |
|
| 100g | RMB2808.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 200°C |
| alpha | D16 +509.4° (c = 0.697 in chloroform) |
| Boiling point: | 399.43°C (rough estimate) |
| Density | 1.2869 (rough estimate) |
| refractive index | 495 ° (C=0.7, CHCl3) |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| solubility | DMF:2.5(Max Conc. mg/mL);7.26(Max Conc. mM) |
| form | A crystalline solid |
| pka | 4.00±0.40(Predicted) |
| color | White to yellow |
| Merck | 9893 |
| Cosmetics Ingredients Functions | ANTIMICROBIAL |
| LogP | 2.880 |
| CAS DataBase Reference | 125-46-2(CAS DataBase Reference) |
| EPA Substance Registry System | Usnic acid (125-46-2) |
Description and Uses
antibacterial
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H335 |
| Precautionary statements | P261 |
| Hazard Codes | T,N |
| Risk Statements | 25-50/53 |
| Safety Statements | 22-24/25-61-60-45 |
| RTECS | HP5270000 |
| Hazardous Substances Data | 125-46-2(Hazardous Substances Data) |
| Toxicity | LD50 i.v. in mice: 25 mg/kg (Gottlieb, Shaw) |
