1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bR)- cas no:7562-61-0
Synonyms: Usnic acid,(R)- (8CI);(+)-Usnic acid;(+)-Usninic acid;(R)-Usnic acid;NSC 685596;d-Usnic acid;d-Usninic acid;
Name1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-, (9bR)-
CAS7562-61-0
SynonymsUsnic acid,(R)- (8CI);(+)-Usnic acid;(+)-Usninic acid;(R)-Usnic acid;NSC 685596;d-Usnic acid;d-Usninic acid;
EINECS(EC#)231-456-0
Molecular FormulaC18H16O7
Molecular Weight344.32
alpha488 o (C=0.4, CHCL3)
storage temp2-8°C
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
HazardclassIRRITANT
Hazard
Xn
Risk R22
Safety
Moderately toxic by ingestion. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.
Hazard Codes: Xn .gif)
Risk Statements: 22
R22:Harmful if swallowed.
Safety Statements: 36
S36:Wear suitable protective clothing.
| 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. |
