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(4R)-2-oxo-1,3-thiazolidine-4-carboxylic acid 19771-63-2 MSDS

Section I.Chemical Product and Company Identification
    Chemical Name L-2-Thiazolidinone-4-carboxylic Acid
    Portland OR
    Synonym        L-2-Oxothiazolidine-4-carboxylic Acid    
    Chemical Formula        C4H5NO3S    
    CAS Number        19771-63-2    

Section II.        Composition and Information on Ingredients    
    Toxicology Data
    Chemical Name        CAS Number Percent (%)        TLV/PEL    
    L-2-Thiazolidinone-4-carboxylic Acid        19771-63-2        Min. 97.0 Not available.        Rat LD50 (intravenous) 1800 mg/kg    
    (HPLC, T)

Section III. Hazards Identification
    Acute Health Effects        Irritating to eyes and skin on contact. Inhalation causes irritation of the lungs and respiratory system. Inflammation of the    
    eye is characterized by redness, watering, and itching. Skin inflammation is characterized by itching, scaling, reddening, or,
    occasionally, blistering. Follow safe industrial hygiene practices and always wear proper protective equipment when
    handling this compound.
    Chronic Health Effects        CARCINOGENIC EFFECTS : Not available.    
    MUTAGENIC EFFECTS : Not available.
    TERATOGENIC EFFECTS : Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    There is no known effect from chronic exposure to this product. Repeated or prolonged exposure to this compound is not
    known to aggravate existing medical conditions.

Section IV.        First Aid Measures    
    Check for and remove any contact lenses. IMMEDIATELY flush eyes with running water for at least 15 minutes, keeping
    Eye Contact
    eyelids open. COLD water may be used. DO NOT use an eye ointment. Flush eyes with running water for a minimum of 15
    minutes, occasionally lifting the upper and lower eyelids. Seek medical attention. Treat symptomatically and supportively.
    After contact with skin, wash immediately with plenty of water. Gently and thoroughly wash the contaminated skin with running
    Skin Contact
    water and non-abrasive soap. Be particularly careful to clean folds, crevices, creases and groin. COLD water may be used.
    Cover the irritated skin with an emollient. Seek medical attention. Treat symptomatically and supportively. Wash any
    contaminated clothing before reusing.
    Inhalation        If the victim is not breathing, perform artificial respiration. Loosen tight clothing such as a collar, tie, belt or waistband. If    
    breathing is difficult, oxygen can be administered. Seek medical attention. Treat symptomatically and supportively.
    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, administer artificial respiration.
    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 and, if possible, show the
    chemical label. Treat symptomatically and supportively.

Section V.        Fire and Explosion Data    
    Not available.
    Flammability        Combustible.        Auto-Ignition    
    Flash Points        Not available.        Flammable Limits        Not available.    
    Combustion Products        These products are toxic carbon oxides (CO, CO2), nitrogen oxides (NO, NO2), sulfur oxides (SOx).    
    Fire Hazards
    No specific information is available regarding the flammability of this compound in the presence of various materials.
    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.
    No additional information is available regarding the risks of explosion.
    Fire Fighting Media
    SMALL FIRE: Use DRY chemicals, CO2, water spray or foam.
    LARGE FIRE: Use water spray, fog or foam. DO NOT use water jet.
    and Instructions
    Continued on Next Page
    L-2-Thiazolidinone-4-carboxylic Acid

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

Section VII. Handling and Storage
    IRRITANT. Keep away from heat and sources of ignition. Mechanical exhaust required. When not in use, tightly seal the
    Handling and Storage
    container and store in a dry, cool place. Avoid excessive heat and light. DO NOT ingest. DO NOT breathe dust. In case of
    Information
    insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical advice immediately and show the
    container or the label. Treat symptomatically and supportively. Avoid contact with skin and eyes.
    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.
    Personal Protection        Splash goggles. Lab coat. Dust respirator. Boots. Gloves. A MSHA/NIOSH approved respirator must be used to avoid    
    inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this
    product.
    Exposure Limits        Not available.    

Section IX. Physical and Chemical Properties
    Crystals.        Solubility    
    Physical state @ 20°C        Soluble in cold water, hot water.    
    Not available.
    Specific Gravity
    Molecular Weight        147.15        Partition Coefficient        Not available.    
    Boiling Point        Not available.        Vapor Pressure        Not available.    
    Melting Point        174°C (345.2°F)(Decomp)        Vapor Density        Not available.    
    Not available.        Not available.    
    Refractive Index        Volatility    
    Critical Temperature        Not available.        Odor        Not available.    
    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 oxidizing agents.

Section XI. Toxicological Information
    RTECS Number        XJ5426650    
    Eye contact. Inhalation. Ingestion. Skin contact.
    Routes of Exposure
    Toxicity Data        Rat LD50 (intravenous) 1800 mg/kg    
    CARCINOGENIC EFFECTS : Not available.
    Chronic Toxic Effects
    MUTAGENIC EFFECTS : Not available.
    TERATOGENIC EFFECTS : Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    There is no known effect from chronic exposure to this product. Repeated or prolonged exposure to this compound is not
    known to aggravate existing medical conditions.
    Irritating to eyes and skin on contact. Inhalation causes irritation of the lungs and respiratory system. Inflammation of the eye
    Acute Toxic Effects
    is characterized by redness, watering, and itching. Skin inflammation is characterized by itching, scaling, reddening, or,
    occasionally, blistering. Follow safe industrial hygiene practices and always wear proper protective equipment when
    handling this compound.
    Continued on Next Page
    L-2-Thiazolidinone-4-carboxylic Acid

Section XII.        Ecological Information    
    Ecotoxicity        Not available.    
    Not available.
    Environmental Fate

Section XIII. Disposal Considerations
    Recycle to process, if possible. Consult your local or regional authorities. You may be able to dissolve or mix material with a
    Waste Disposal
    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 this substance.

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

Section XV. Other Regulatory Information and Pictograms
    TSCA Chemical Inventory        This product is NOT on the EPA Toxic Substances Control Act (TSCA) inventory. The following notices are required by 40    
    CFR 720.36 (C) for those products not on the inventory list:
    (EPA)
    (i) These products are supplied solely for use in research and development by or under the supervision of a technically
    qualified individual as defined in 40 CFR 720.0 et sec.
    (ii) The health risks of these products have not been fully determined. Any information that is or becomes available will be
    supplied on an MSDS sheet.
    WHMIS Classification        WHMIS CLASS D-2A: Material causing other toxic effects (VERY TOXIC).    
    (Canada)
    EINECS Number (EEC)        Not available.    
    EEC Risk Statements        R36/37/38- Irritating to eyes, respiratory system and skin.    


SECTION 16 - ADDITIONAL INFORMATION
N/A

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