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hymexazol 10004-44-1 MSDS
  3-Hydroxy-5-methylisoxazole      Revision number: 5    
  SAFETY DATA SHEET

Section 1. IDENTIFICATION
  Product name:        3-Hydroxy-5-methylisoxazole    
    
  Revision number:        5    

Section 2. HAZARDS IDENTIFICATION
  GHS classification
  PHYSICAL HAZARDS        Not classified    
  HEALTH HAZARDS
  Acute toxicity (Oral)        Category 4    
    Category 1
  Serious eye damage/eye irritation
  ENVIRONMENTAL HAZARDS
    Category 3
  Acute aquatic hazard
  Long-term aquatic hazard        Category 3    
  GHS label elements, including precautionary statements
  Pictograms or hazard symbols
  Signal word        Danger    
  Hazard statements        Harmful if swallowed    
    Causes serious eye damage
    Harmful to aquatic life
    Harmful to aquatic life with long lasting effects
  Precautionary statements:
    Avoid release to the environment.
  [Prevention]
    Do not eat, drink or smoke when using this product.
    Wash hands thoroughly after handling.
    Wear protective gloves/eye protection/face protection.
    IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
  [Response]
    Rinse mouth.
    IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
    if present and easy to do. Continue rinsing.
    Immediately call a POISON CENTER or doctor/physician.
  [Disposal]        Dispose of contents/container through a waste management company authorized by    
    the local government.

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substance/mixture:        Substance    
  Components:        3-Hydroxy-5-methylisoxazole    
    >98.0%(GC)
  Percent:
  CAS Number:        10004-44-1    
  3-Hydroxy-5-methylisoxazole

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Synonyms:        Hymexazol    
  Chemical Formula:        C4H5NO2    

Section 4. FIRST AID MEASURES
    Remove victim to fresh air and keep at rest in a position comfortable for breathing.
  Inhalation:
    Immediately call a POISON CENTER or doctor/physician.
    Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
  Skin contact:
    soap and water. Immediately call a POISON CENTER or doctor/physician.
    Rinse cautiously with water for several minutes. Remove contact lenses, if present
  Eye contact:
    and easy to do. Continue rinsing.Immediately call a POISON CENTER or
    doctor/physician.
  Ingestion:        Call a POISON CENTER or doctor/physician if you feel unwell. 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:
  Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to
    generate poisonous fume.
  from the chemical:
  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 personal protective equipment. Keep people away from and upwind of spill/leak.
  Personal precautions,
  protective equipment and Entry to non-involved personnel should be controlled around the leakage area by
  emergency procedures: 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
    Handling is performed in a well ventilated place. Wear suitable protective equipment.
  Technical measures:
    Prevent dispersion of dust. Wash hands and face thoroughly after handling.
    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 freezer.    
    Store away from incompatible materials such as oxidizing agents.
    Heat-sensitive
  Packaging material:        Comply with laws.    

Section 8. EXPOSURE CONTROLS / PERSONAL PROTECTION
  Engineering controls:        Install a closed system or local exhaust as possible so that workers should not be    
    exposed directly. Also install safety shower and eye bath.
  Personal protective equipment
  Respiratory protection:        Dust respirator. Follow local and national regulations.    
  Hand protection:        Protective gloves.    
  Eye protection:        Safety glasses. A face-shield, if the situation requires.    
  3-Hydroxy-5-methylisoxazole

Section 8. EXPOSURE CONTROLS / PERSONAL PROTECTION
  Skin and body protection: Protective clothing. Protective boots, if the situation requires.

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Physical state (20°C):        Solid    
    Crystal- Powder
  Form:
  Colour:        White - Slightly pale reddish yellow    
    No data available
  Odour:
  pH: No data available
  Melting point/freezing point:86°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]        Soluble (8.5g/100mL, 25°C)    
  [Other solvents]
  Very soluble:        Methanol, Acetone, Ethanol, Tetrahydrofuran(THF)    
  Slightly soluble:        Hexane, Carbon disulfide    
  Very slightly        Ether, Benzene    
  soluble:

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, Nitrogen oxides (NOx)
  products:

Section 11. TOXICOLOGICAL INFORMATION
  Acute Toxicity:        orl-rat LD50:3112 mg/kg    
    skn-rbt LD50:>2 g/kg
    ihl-mam LC50:>2 g/m3
    ivn-rat LD50:>1 g/kg
  Skin corrosion/irritation: No data available
  Serious eye        No data available    
  damage/irritation:
  Germ cell mutagenicity: oms-omi 3 mg/L
  Carcinogenicity:
  IARC =        No data available    
  NTP =        No data available    
  Reproductive toxicity:        No data available    
  RTECS Number:        NY2932000    

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
  3-Hydroxy-5-methylisoxazole

Section 12. ECOLOGICAL INFORMATION
  Log Pow:        No data available    
  Soil adsorption (Koc): No data available
  Henry's Law        No data available    
  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.

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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