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Name (+)-Usniacin
CAS 7562-61-0
EINECS(EC#) 231-456-0
Molecular Formula C18H16O7
MDL Number MFCD00016878
Molecular Weight 344.32
MOL File 7562-61-0.mol

Chemical Properties

Melting point  201-203 °C(lit.)
alpha  488 º (c=0.4, CHCl3)
Boiling point  399.43°C (rough estimate)
density  1.2869 (rough estimate)
refractive index  1.4790 (estimate)
storage temp.  2-8°C
solubility  almost transparency in Chloroform
form  powder to crystal
pka 4.00±0.40(Predicted)
color  Light orange to Yellow to Green
optical activity [α]25/D +488°, c = 0.7% in chloroform
Water Solubility  Partly soluble in water. Soluble in acetone, ethanol, chloroform and furfural.
Merck  14,9893
BRN  96698
Contact allergens
Usnic acid is a component of lichens, also used as a topical antibiotic. Allergic contact dermatitis from lichens occurs mainly occupationally in forestry and horticultural workers, and in lichen pickers.
CAS DataBase Reference 7562-61-0(CAS DataBase Reference)

Safety Data

Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
Safety Statements 
S36:Wear suitable protective clothing .
WGK Germany  3
RTECS  HP5295050
HazardClass  IRRITANT
HS Code  29329990

Hazard Information

Questions And Answer

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