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2-Hydroxy-3-methyl-2-cyclopentenone
CAS No.: 80-71-7
Synonyms:
Formula: C6H8O2
Exact Mass: 112.05200
Molecular Weight: 112.12700
PSA: 37.30000
LogP: 1.18130
Reference Price: $71/kg Inquiry Now
2-Hydroxy-3-methyl-2-cyclopentenone 80-71-7 MSDS

Section I.Chemical Product and Company Identification
    Chemical Name 2-Hydroxy-3-methyl-2-cyclopentenone
    Portland OR
    Synonym        2-Cyclopenten-1-one, 2-hydroxy-3-methyl-    
    (CA INDEX NAME);
    3-Methyl-1,2-cyclopentanedione;
    3-Methyl-2-cyclopentenon-2-ol;
    Cyclotene
    Chemical Formula        C6H8O2    
    CAS Number        80-71-7    

Section II.        Composition and Information on Ingredients    
    Chemical Name        CAS Number Percent (%)        TLV/PEL        Toxicology Data    
    2-Hydroxy-3-methyl-2-cyclopentenone        Min. 98.0 (T) Not available.        Guinea Pig LD50 (oral) 1400 mg/kg    
    80-71-7

Section III. Hazards Identification
    No specific information is available in our data base regarding the toxic effects of this material for humans. However,
    Acute Health Effects
    exposure to any chemical should be kept to a minimum. Skin and eye contact may result in irritation. May be harmful if
    inhaled or ingested. Always follow safe industrial hygiene practices and wear proper protective equipment when handling
    this compound.
    CARCINOGENIC EFFECTS : Not available.
    Chronic Health Effects
    MUTAGENIC EFFECTS : Not available.
    TERATOGENIC EFFECTS : Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions.

Section IV.        First Aid Measures    
    Eye Contact        Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15    
    minutes. Get medical attention.
    Skin Contact        In case of contact, immediately flush skin with plenty of water. Remove contaminated clothing and shoes. Wash clothing    
    before reuse. Thoroughly clean shoes before reuse. Get medical attention.
    Inhalation        If the victim is not breathing, perform mouth-to-mouth resuscitation. Loosen tight clothing such as a collar, tie, belt or    
    waistband. If breathing is difficult, oxygen can be administered. Seek medical attention if respiration problems do not
    improve.
    Ingestion        INDUCE VOMITING by sticking finger in throat. Lower the head so that the vomit will not reenter the mouth and throat.    
    Loosen tight clothing such as a collar, tie, belt or waistband. If the victim is not breathing, perform mouth-to-mouth
    resuscitation. Examine the lips and mouth to ascertain whether the tissues are damaged, a possible indication that the toxic
    material was ingested; the absence of such signs, however, is not conclusive. SEEK IMMEDIATE MEDICAL ATTENTION in
    case of ingestion of a radioactive material.

Section V.        Fire and Explosion Data    
    Not available.
    Flammability        May be combustible at high temperature.        Auto-Ignition    
    Flash Points        Not available.        Flammable Limits        Not available.    
    Combustion Products        These products are toxic carbon oxides (CO, CO2).    
    Fire Hazards
    Not available.
    Risks of explosion of the product in presence of mechanical impact: Not available.
    Explosion Hazards
    Risks of explosion of the product in presence of static discharge: Not available.
    Fire Fighting Media        SMALL FIRE: Use DRY chemical powder.    
    LARGE FIRE: Use water spray, fog or foam. DO NOT use water jet.
    and Instructions
    Continued on Next Page
    2-Hydroxy-3-methyl-2-cyclopentenone

Section VI.        Accidental Release Measures    
    Spill Cleanup        In case of a spill and/or a leak, always shut off any sources of ignition, ventilate the area, and excercise caution. Use a    
    shovel to put material into a convenient waste disposal container. Finish cleaning the spill by rinsing any contaminated
    Instructions
    surfaces with copious amounts of water. Consult federal, state and/or local authorities for assistance on disposal.

Section VII. Handling and Storage
    Handling and Storage        Keep away from heat. Mechanical exhaust required. When not in use, tightly seal the container and store in a dry, cool    
    place. Avoid excessive heat and light. Do not breathe dust.
    Information
    Always store away from incompatible compounds such as oxidizing agents.

Section VIII. Exposure Controls/Personal Protection
    Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended
    Engineering Controls
    exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants
    below the exposure limit.
    Splash goggles. Lab coat. Dust respirator. Boots. Gloves. Be sure to use a MSHA/NIOSH approved respirator or
    Personal Protection
    equivalent. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product.
    Exposure Limits        Not available.    

Section IX. Physical and Chemical Properties
    Off-white crystalline powder.        Solubility    
    Physical state @ 20°C        Soluble in methanol    
    Not available.
    Specific Gravity
    112.13
    Molecular Weight        Partition Coefficient        Not available.    
    Boiling Point        Not available.        Vapor Pressure        Not applicable.    
    107°C (224.6°F)        Not available.    
    Melting Point        Vapor Density    
    Not available.        Volatility        Not available.    
    Refractive Index
    Not available.
    Critical Temperature        Not available.        Odor    
    Viscosity        Not available.        Taste        Not available.    

Section X.        Stability and Reactivity Data    
    Stability    
This material is stable if stored under proper conditions. (See Section VII for instructions)    
    Conditions of Instability        Avoid excessive heat and light.    
    Incompatibilities
    Reactive with strong oxidizing agents.

Section XI. Toxicological Information
    GY729800
    RTECS Number
    Routes of Exposure        Eye Contact. Ingestion. inhalation.    
    Guinea Pig LD50 (oral) 1400 mg/kg
    Toxicity Data
    Chronic Toxic Effects        CARCINOGENIC EFFECTS : Not available.    
    MUTAGENIC EFFECTS : Not available.
    TERATOGENIC EFFECTS : Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions.
    Acute Toxic Effects        No specific information is available in our data base regarding the toxic effects of this material for humans. However,    
    exposure to any chemical should be kept to a minimum. Skin and eye contact may result in irritation. May be harmful if
    inhaled or ingested. Always follow safe industrial hygiene practices and wear proper protective equipment when handling this
    compound.

Section XII.        Ecological Information    
    Not available.
    Ecotoxicity
    Not available.
    Environmental Fate
    Continued on Next Page
    2-Hydroxy-3-methyl-2-cyclopentenone

Section XIII. Disposal Considerations
    Waste Disposal        Recycle to process, if possible. Consult your local regional authorities. You may be able to dissove 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 locl regulations when disposing of the substance.

Section XIV. Transport Information
    Not a DOT controlled material (United States).
    DOT Classification
    PIN Number        Not applicable.    
    Proper Shipping Name        Not applicable.    
    Packing Group (PG)        Not applicable.    
    DOT Pictograms

Section XV. Other Regulatory Information and Pictograms
    TSCA Chemical Inventory        This compound is ON the EPA Toxic Substances Control Act (TSCA) inventory list.    
    (EPA)
    WHMIS Classification        Not available    
    (Canada)
    EINECS Number (EEC) 201-303-2
    EEC Risk Statements        Not available.    


SECTION 16 - ADDITIONAL INFORMATION
N/A

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