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Chloromethyldichloromethylsilane 1558-33-4 MSDS

Section I.Chemical Product and Company Identification
    Chemical Name Chloromethyl(dichloro)methylsilane
    Portland OR
    Synonym        (Chloromethyl)methyldichlorosilane;    
    Dichloro(chloromethyl)methylsilane
    Chemical Formula        C2H5Cl3Si    
    CAS Number        1558-33-4    

Section II.        Composition and Information on Ingredients    
    Chemical Name        CAS Number Percent (%)        TLV/PEL        Toxicology Data    
    Rat LC50(inhalation) 6800mg/m3/4H
    Chloromethyl(dichloro)methylsilane        1558-33-4 Min. 97.0 (GC) Not available.    

Section III. Hazards Identification
    Corrosive to skin and eyes on contact. Liquid or spray mist may produce tissue damage particularly on mucous membranes
    Acute Health Effects
    of eyes, mouth and respiratory tract. Skin contact may produce burns. Inhalation of the spray mist may produce severe
    irritation of respiratory tract, characterized by coughing, choking, or shortness of breath. Harmful if ingested or inhaled.
    Minimize exposure to this material. Severe overexposure can result in injury or death. Follow safe industrial hygiene
    practices and always 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 contact with spray mist may produce chronic eye irritation and severe skin irritation. Repeated or
    prolonged exposure to spray mist may produce respiratory tract irritation leading to frequent attacks of bronchial infection.

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        DO NOT INDUCE VOMITING. 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.

Section V.        Fire and Explosion Data    
    Not available.
    Auto-Ignition
    Flammability        Combustible.    
    Flammable Limits        LOWER: 3.1%    
    Flash Points        35°C (95°F).    
    Combustion Products        These products are toxic carbon oxides (CO, CO2), halogenated compounds, silicates.    
    WARNING: Highly toxic HCl gas is produced during combustion.
    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.    
    and Instructions        LARGE FIRE: Use alcohol foam, water spray or fog. Cool containing vessels with water jet in order to prevent pressure    
    build-up, autoignition or explosion. Consult with local fire authorities before attempting large scale fire-fighting operations.
    Continued on Next Page
    Chloromethyl(dichloro)methylsilane

Section VI.        Accidental Release Measures    
    Spill Cleanup        Combustible liquid. Corrosive liquid. Harmful Liquid. Moisture sensitive liquid.    
    Keep away from heat. Mechanical exhaust required. Stop leak if without risk. Absorb with DRY earth, sand or other
    Instructions
    non-combustible material. DO NOT get water inside container. DO NOT touch spilled material. Use water spray curtain to
    divert vapor drift. Prevent entry into sewers, basements or confined areas; dike if needed. Consult federal, state, and/or local
    authorities for assistance on disposal.

Section VII. Handling and Storage
    Handling and Storage        CORROSIVE. COMBUSTIBLE. HARMFUL. MOISTURE SENSITIVE. Keep container dry. Keep away from heat. Mechanical    
    exhaust required. Avoid excessive heat and light. Do not breathe gas/fumes/ vapor/spray. Never add water to this product.
    Information
    Wear suitable protective clothing. If you feel unwell, seek medical attention and show the label when possible. Treat
    symptomatically and supportively.
    Always store away from incompatible compounds such as strong oxidizing agents, strong alkalis (bases), moisture. Store
    under inert gas.

Section VIII. Exposure Controls/Personal Protection
    Engineering Controls        Provide exhaust ventilation or other engineering controls to keep the airborne concentrations of vapors below their respective    
    threshold limit value. Ensure that eyewash station and safety shower is proximal to the work-station location.
    Personal Protection        Face shield. Lab coat. Vapor respirator. Boots. Gloves. Suggested protective clothing might not be sufficient; consult a    
    specialist BEFORE handling this product. Be sure to use a MSHA/NIOSH approved respirator or equivalent.
    Not available.
    Exposure Limits

Section IX. Physical and Chemical Properties
    Physical state @ 20°C        Liquid. (Clear, colorless to slightly pale        Solubility        Not available.    
    yellow.)
    1.29 (water=1)
    Specific Gravity
    Molecular Weight        163.51        Partition Coefficient        Log Pow (oil/water) = 2.5    
    Boiling Point        122°C (251.6°F)        Vapor Pressure        3.2 kPa (@ 20°C)    
    Melting Point        Not available.        Vapor Density        >1 (Air = 1)    
    1.45        Volatility        Not available.    
    Refractive Index
    Acrylic.
    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. Moisture sensitive. Store under inert gas.    
    Incompatibilities
    Reactive with strong oxidizing agents, strong alkalis (bases), moisture.

Section XI. Toxicological Information
    RTECS Number        VV2160000    
    Eye Contact. Ingestion. Inhalation. Skin contact.
    Routes of Exposure
    Rat LC50(inhalation) 6800mg/m3/4H
    Toxicity Data
    CARCINOGENIC EFFECTS : Not available.
    Chronic Toxic Effects
    MUTAGENIC EFFECTS : Not available.
    TERATOGENIC EFFECTS : Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    Repeated or prolonged contact with spray mist may produce chronic eye irritation and severe skin irritation. Repeated or
    prolonged exposure to spray mist may produce respiratory tract irritation leading to frequent attacks of bronchial infection.
    Corrosive to skin and eyes on contact. Liquid or spray mist may produce tissue damage particularly on mucous membranes
    Acute Toxic Effects
    of eyes, mouth and respiratory tract. Skin contact may produce burns. Inhalation of the spray mist may produce severe
    irritation of respiratory tract, characterized by coughing, choking, or shortness of breath. Harmful if ingested or inhaled.
    Minimize exposure to this material. Severe overexposure can result in injury or death. Follow safe industrial hygiene
    practices and always wear proper protective equipment when handling this compound.
    Continued on Next Page
    Chloromethyl(dichloro)methylsilane

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

Section XIII. Disposal Considerations
    Recycle to process, if possible. Consult your local 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 the substance.

Section XIV. Transport Information
    DOT Classification        DOT CLASS 3: Flammable liquid.    
    DOT Class 8: Corrosive material
    PIN Number
    Proper Shipping Name        Chlorosilanes, flammable, corrosive, n.o.s.    
    Packing Group (PG)        II    
    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        CLASS B-3: Combustible liquid with a flash point between 35°C (100°F) and 93.3°C (200°F).    
    CLASS E: Corrosive liquid.
    (Canada)
    On NDSL.
    EINECS Number (EEC) 216-319-5
    EEC Risk Statements        R20/21/22- Harmful by inhalation, in contact with skin and if swallowed.    
    R34- Causes burns.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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