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(S)-timolol maleate
CAS No.: 26921-17-5
Formula: C17H28N4O7S
Exact Mass: 432.16800
Molecular Weight: 432.49200
PSA: 182.58000
LogP: 0.67020
Reference Price: $6,027/kg Inquiry Now
(S)-timolol maleate 26921-17-5 MSDS

Section 1. Chemical Product and Company Identification
    Timolol Maleate
    Common Name/
    Trade Name
    Timolol Maleate

Section 4. 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. Cold water may be used. Get medical attention if irritation occurs.
    Skin Contact        Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.    
    Cold water may be used.
    Serious Skin Contact        Not available.    
    Inhalation        If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get    
    medical attention.
    Serious Inhalation        Not available.    
    Ingestion        Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an    
    unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight
    clothing such as a collar, tie, belt or waistband.
    Serious Ingestion        Not available.    

Section 5. Fire and Explosion Data
    Flammability of the Product May be combustible at high temperature.
    Auto-Ignition Temperature Not available.
    Flash Points        Not available.    
    Flammable Limits        Not available.    
    These products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...), sulfur oxides (SO2, SO3...).
    Products of Combustion
    Fire Hazards in Presence of Slightly flammable to flammable in presence of heat.
    Various Substances        Non-flammable in presence of shocks.    
    Explosion Hazards in Presence Slightly explosive in presence of open flames and sparks.
    of Various Substances        Non-explosive in presence of shocks.    
    Fire Fighting Media        SMALL FIRE: Use DRY chemical powder.    
    and Instructions        LARGE FIRE: Use water spray, fog or foam. Do not use water jet.    
    Special Remarks on        As with most organic solids, fire is possible at elevated temperatures    
    Fire Hazards
    Special Remarks on Explosion Fine dust dispersed in air in sufficient concentrations, and in the presence of an ignition source is a potential dust
    Hazards        explosion hazard.    

Section 6. Accidental Release Measures
    Small Spill        Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by    
    spreading water on the contaminated surface and dispose of according to local and regional authority
    Large Spill
    Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water
    on the contaminated surface and allow to evacuate through the sanitary system.
    Timolol Maleate

Section 7. Handling and Storage
    Precautions        Keep away from heat. Keep away from sources of ignition. Ground all equipment containing material. Do not    
    ingest. Do not breathe dust. Wear suitable protective clothing. If ingested, seek medical advice immediately and
    show the container or the label.
    Storage        Keep container tightly closed. Keep container in a cool, well-ventilated area. Sensitive to light.    

Section 8. Exposure Controls/Personal Protection
    Engineering Controls        Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below    
    recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to
    airborne contaminants below the exposure limit.
    Personal Protection        Safety glasses. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves.    
    Personal Protection in Case of Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used
    a Large Spill        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 9. Physical and Chemical Properties
    Physical state and appearance Solid. (Crystalline powder. Crystals solid.)        Odor        Odorless.    
    Taste        Not available.    
    Molecular Weight        432.49 g/mole    
    Color        White. Off-white.    
    pH (1% soln/water)        Not available.    
    Not available.
    Boiling Point
    Melting Point        Decomposition temperature: 199°C (390.2°F)    
    Not available.
    Critical Temperature
    Specific Gravity        Not available.    
    Vapor Pressure        Not applicable.    
    Vapor Density        Not available.    
    Volatility        Not available.    
    Odor Threshold        Not available.    
    Water/Oil Dist. Coeff.        Not available.    
    Ionicity (in Water)        Not available.    
    Dispersion Properties        See solubility in water.    
    Solubility        Soluble in cold water.    
    Insoluble in diethyl ether.
    Sparingly soluble in chloroform.
    Soluble in ethanol.

Section 10. Stability and Reactivity Data
    Stability        The product is stable.    
    Instability Temperature        Not available.    
    Conditions of Instability        Excess heat, dust generation, light    
    Incompatibility with various Not available.
    Timolol Maleate
    Not available.
    Special Remarks on        Sensitive to light.    
    Special Remarks on        Not available.    
    Will not occur.

Section 11. Toxicological Information
    Routes of Entry        Inhalation. Ingestion.    
    Toxicity to Animals        Acute oral toxicity (LD50): 1028 mg/kg [Rat].    
    Chronic Effects on Humans Not available.
    Other Toxic Effects on        Slightly hazardous in case of skin contact (irritant), of ingestion, of inhalation.    
    Special Remarks on        Not available.    
    Toxicity to Animals
    Special Remarks on        Not available.    
    Chronic Effects on Humans
    Special Remarks on other        Acute Potential Health Effects:    
    Toxic Effects on Humans        Skin: May cause skin irritation.    
    Eyes: May cause eye irritation.
    Inhalation: May cause respiratory tract and mucous membrane irritation.
    Ingestion: May be harmful if swallowed. May cause nausea, vomiting, diarrhea, fatigue, bradycardia, congestive
    heart failure, heart block, hypertension, cold extremities, depression, convulsions, tremor, somnolence, and
    disturbances of sleep and vision. May also affect respiration (dyspnea), urinary system, liver, and spleen.

Section 12. Ecological Information
    Ecotoxicity        Not available.    
    BOD5 and COD        Not available.    
    Products of Biodegradation        Possibly hazardous short term degradation products are not likely. However, long term degradation products may    
    Toxicity of the Products        The products of degradation are less toxic than the product itself.    
    of Biodegradation
    Not available.
    Special Remarks on the
    Products of Biodegradation

Section 13. Disposal Considerations
    Waste Disposal        Waste must be disposed of in accordance with federal, state and local environmental    
    control regulations.
    Timolol Maleate

Section 14. Transport Information
    DOT Classification        Not a DOT controlled material (United States).    
    Identification        Not applicable.    
    Not applicable.
    Special Provisions for
    DOT (Pictograms)

Section 15. Other Regulatory Information and Pictograms
    No products were found.
    Federal and State
    California        California prop. 65: This product contains the following ingredients for which the State of California has found    
    to cause cancer which would require a warning under the statute: No products were found.
    Proposition 65
    California prop. 65: This product contains the following ingredients for which the State of California has found
    to cause birth defects which would require a warning under the statute: No products were found.
    Other Regulations        EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances.    
    Other Classifications        WHMIS (Canada) Not controlled under WHMIS (Canada).    
    DSCL (EEC)        R22- Harmful if swallowed.        S2- Keep out of the reach of children.    
    S46- If swallowed, seek medical advice
    immediately and show this container or label.
    Health Hazard
    HMIS (U.S.A.)        1 National Fire Protection    
    1 Flammability
    1 Association (U.S.A.)
    Fire Hazard
    1 0 Reactivity
    Specific hazard
    Personal Protection
    WHMIS (Canada)
    DSCL (Europe)
    TDG (Canada)
    ADR (Europe)
    Timolol Maleate
    Protective Equipment
    Lab coat.
    Dust respirator. Be sure to use an
    approved/certified respirator or


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