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usnic acid
CAS No.: 125-46-2
Synonyms:
Formula: C18H16O7
Exact Mass: 344.09000
Molecular Weight: 344.31500
PSA: 117.97000
LogP: 1.49980
usnic acid 125-46-2 MSDS
  (+)-Usnic Acid      Revision number: 6    
  SAFETY DATA SHEET

Section 1. IDENTIFICATION
  Product name:        (+)-Usnic Acid    
    
  Revision number:        6    

Section 2. HAZARDS IDENTIFICATION
  GHS classification
  PHYSICAL HAZARDS        Not classified    
  HEALTH HAZARDS
  Acute toxicity (Oral)        Category 4    
    Liver
  Specific target organ toxicity
  - Single exposure [Category 1]
    Not classified
  ENVIRONMENTAL HAZARDS
  GHS label elements, including precautionary statements
  Pictograms or hazard symbols
  Signal word        Danger    
  Hazard statements        Harmful if swallowed    
    Causes damage to organs : Liver
  Precautionary statements:
  [Prevention]        Do not breathe dust/fume/gas/mist/vapours/spray.    
    Do not eat, drink or smoke when using this product.
    Wash hands thoroughly after handling.
    IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
  [Response]
    Rinse mouth.
    IF exposed: Call a POISON CENTER or doctor/physician.
  [Storage]        Store locked up.    
    Dispose of contents/container through a waste management company authorized by
  [Disposal]
    the local government.

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substance/mixture:        Substance    
  Components:        (+)-Usnic Acid    
  Percent:        >98.0%(HPLC)(T)    
  CAS Number:        125-46-2    
  Chemical Formula:        C18H16O7    
  (+)-Usnic Acid

Section 4. FIRST AID MEASURES
  Inhalation:        Remove victim to fresh air and keep at rest in a position comfortable for breathing.    
    Call a POISON CENTER or doctor/physician.
  Skin contact:        Remove/Take off immediately all contaminated clothing. Gently wash with plenty of    
    soap and water. Call a POISON CENTER or doctor/physician.
  Eye contact:        Rinse cautiously with water for several minutes. Remove contact lenses, if present    
    and easy to do. Call a POISON CENTER or doctor/physician.
  Ingestion:        Call a POISON CENTER or doctor/physician. Rinse mouth.    
  Protection of first-aiders:        A rescuer should wear personal protective equipment, such as rubber gloves and air-    
    tight goggles.

Section 5. FIRE-FIGHTING MEASURES
  Suitable extinguishing        Dry chemical, foam, water spray, carbon dioxide.    
  media:
  Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
    method according to the surrounding situation is used. Uninvolved persons should
    evacuate to a safe place. In case of fire in the surroundings: Remove movable
    containers if safe to do so.
  Special protective        When extinguishing fire, be sure to wear personal protective equipment.    
  equipment for firefighters:

Section 6. ACCIDENTAL RELEASE MEASURES
    Use extra personal protective equipment (P3 filter respirator for toxic particles). Keep
  Personal precautions,
  protective equipment and people away from and upwind of spill/leak. Entry to non-involved personnel should
  emergency procedures: be controlled around the leakage area by roping off, etc.
  Environmental precautions: Prevent product from entering drains.
  Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it.
  containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with
  up: appropriate laws and regulations.

Section 7. HANDLING AND STORAGE
  Precautions for safe handling
  Technical measures:        Handling is performed in a well ventilated place. Wear suitable protective equipment.    
    Prevent dispersion of dust. Wash hands and face thoroughly after handling.
    Use a closed system if possible. Use a local exhaust if dust or aerosol will be
    generated.
  Advice on safe handling: Avoid contact with skin, eyes and clothing.
  Conditions for safe storage, including any
  incompatibilities
  Storage conditions:        Keep container tightly closed. Store in a cool and dark place.    
    Store locked up.
    Store away from incompatible materials such as oxidizing agents.
  Packaging material:        Comply with laws.    

Section 8. EXPOSURE CONTROLS / PERSONAL PROTECTION
    Install a closed system or local exhaust. Also install safety shower and eye bath.
  Engineering controls:
  Personal protective equipment
  Respiratory protection: Dust respirator, self-contained breathing apparatus(SCBA), supplied air respirator,
    etc. Use respirators approved under appropriate government standards and follow
    local and national regulations.
  Hand protection:        Impervious gloves.    
    Safety goggles. A face-shield, if the situation requires.
  Eye protection:
  Skin and body protection: Impervious protective clothing. Protective boots, if the situation requires.

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Physical state (20°C):        Solid    
    Crystal- Powder
  Form:
  (+)-Usnic Acid

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Colour:        Slightly pale yellow - Yellow    
  Odour:        No data available    
  pH: No data available
  Melting point/freezing point:200°C
  Boiling point/range:        No data available    
  Flash point:        No data available    
  Flammability or explosive
  limits:
  Lower:        No data available    
  Upper:        No data available    
  Relative density:        No data available    
  Solubility(ies):
  [Water]        No data available    
  [Other solvents]        No data available    

Section 10. STABILITY AND REACTIVITY
    Stable under proper conditions.
  Chemical stability:
  Possibility of hazardous No special reactivity has been reported.
  reactions:
  Incompatible materials: Oxidizing agents
  Hazardous decomposition Carbon monoxide, Carbon dioxide
  products:

Section 11. TOXICOLOGICAL INFORMATION
  Acute Toxicity:        orl-rbt LD50:500 mg/kg    
    ivn-mus LD50:25 mg/kg
  Skin corrosion/irritation: No data available
  Serious eye        No data available    
  damage/irritation:
  Germ cell mutagenicity: No data available
  Carcinogenicity:
  IARC =        No data available    
  NTP =        No data available    
  Reproductive toxicity:        No data available    
  RTECS Number:        HP5270000    

Section 12. ECOLOGICAL INFORMATION
  Ecotoxicity:
  Fish:        No data available    
    No data available
  Crustacea:
  Algae:        No data available    
  Persistence / degradability: No data available
  Bioaccumulative        No data available    
  potential(BCF):
  Mobility in soil
    No data available
  Log Pow:
  Soil adsorption (Koc):        No data available    
    No data available
  Henry's Law
  constant(PaM3/mol):

Section 13. DISPOSAL CONSIDERATIONS
    Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material
    with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system.
    Observe all federal, state and local regulations when disposing of the substance.
  (+)-Usnic Acid

Section 14. TRANSPORT INFORMATION
  Hazards Class:        Does not correspond to the classification standard of the United Nations    
  UN-No:        Not listed    

Section 15. REGULATORY INFORMATION
  Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
  and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
    loading and unloading were prescribed.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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