Molecular Formula | C18H16O7 |
Molar Mass | 344.32 |
Density | 1.2869 (rough estimate) |
Melting Point | 200°C |
Boling Point | 399.43°C (rough estimate) |
Specific Rotation(α) | D16 +509.4° (c = 0.697 in chloroform) |
Flash Point | 223.3°C |
Solubility | Solubility at 25°C (g/100ml water)<0.01, acetone 0.77, ethyl acetate 0.88, ethanol 0.02, sugar aldehyde 7.32, sugar alcohol 1.21. |
Vapor Presure | 3E-15mmHg at 25°C |
Appearance | Yellow oblique prism columnar crystal (acetone) |
Merck | 9893 |
pKa | 4.00±0.40(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
Refractive Index | 495 ° (C=0.7, CHCl3) |
MDL | MFCD00065294 |
Risk Codes | R25 - Toxic if swallowed R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
RTECS | HP5270000 |
Toxicity | LD50 i.v. in mice: 25 mg/kg (Gottlieb, Shaw) |
Reference Show more | 1. Ye Jia, Zhang Hao, Zhang Ning. Determination of Eusnic Acid Content in Lichens of Huangmei at Different Altitudes [J]. Hubei Agricultural Science 2014 53(06):1415-1417. |