Molecular Formula: C18H16O7
Molecular Weight: 344.32
EINECS: 231-456-0
Index of Refraction: 1.643
Density: 1.49 g/cm3
Flash Point: 219.1 °C
Enthalpy of Vaporization: 91.92 kJ/mol
Boiling Point: 594.8 °C at 760 mmHg
Vapour Pressure: 9.59E-15 mmHg at 25 °C
Melting point: 201-203 °C(lit.)
Storage tempreture: 2-8 °C
Structure of D-Usnic acid (CAS NO.7562-61-0):
IUPAC Name: (9bS)-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione
Product Category of Lutein (CAS NO.127-40-2): Pharmaceutical Raw Materials;Plant Oils, Toxins, Phenolic Acids & Derivatives
D-Usnic acid (CAS NO.7562-61-0) is commonly used as broad-spectrum antibiotic.
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
mouse | LD50 | oral | 838mg/kg (838mg/kg) | Takeda Kenkyusho Ho. Journal of the Takeda Research Laboratories. Vol. 31, Pg. 247, 1972. |
Moderately toxic by ingestion. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes: Xn
Risk Statements: 22
R22:Harmful if swallowed.
Safety Statements: 36
S36:Wear suitable protective clothing.
D-Usnic acid , its cas register number is 7562-61-0. It also can be called (+)-Usnein ; D-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione ; and (+)-Usniacin .
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