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Dimethoxy(methyl)silane
CAS No.: 16881-77-9
Synonyms:
Formula: C3H10O2Si
Exact Mass: 106.04500
Molecular Weight: 106.19600
PSA: 18.46000
LogP: 0.12950
Reference Price: $1,200/kg Inquiry Now
Dimethoxy(methyl)silane 16881-77-9 MSDS

Section I.Chemical Product and Company Identification
    Chemical Name Dimethoxy(methyl)silane
    Portland OR
    Synonym
    Methyldimethoxysilane
    Chemical Formula
    (CH 3 O) 2 SiHCH 3
    CAS Number
    16881-77-9
    (International)

Section II.        Composition and Information on Ingredients    
    CAS Number Percent (%)        TLV/PEL        Toxicology Data    
    Chemical Name
    Not available.        Not available.    
    Dimethoxy(methyl)silane        16881-77-9        Min. 98.0 (GC)    

Section III.        Hazards Identification    
    Acute Health Effects
    N o specific inform ation is available in our data base regarding the toxic effects of this m aterial for hum ans. H ow ever,
    exposure to any chem ical should be kept to a m inim u m . Skin and eye contact m ay result in irritation. M ay be harm ful if
    inhaled or ingested. A lw ays follow safe industrial hygiene practices and w ear proper protective equipm ent w hen
    handling this compound.
    Chronic Health Effects        CARCINOGENIC EFFECTS : Not available.    
    MUTAGENIC EFFECTS : Not available.
    TERATOGENIC EFFECTS : Not available.
    Toxicity to the reproductive system: Not available.
    There is no know n effect from chronic exposure to this product.        Repeated or prolonged exposure to this com pound is    
    not known to aggravate existing medical conditions.

Section IV.        First Aid Measures    
    Eye Contact
    C heck for and rem ove any contact lenses. D O N O T use an eye ointm ent. Flush eyes w ith running w ater for a m inim um
    of 15 m inutes, occasionally lifting the upper and low er eyelids. Seek m edical attention. Treat sym ptom atically and
    supportively.
    Skin Contact
    If the chem ical gets spilled on a clothed portion of the body, rem ove the contam inated clothes as quickly as possible,
    protectin g you r ow n h an ds an d body. Place th e victim u n der a delu g e sh ow er. If th e ch em ical tou ch es th e victim 's
    exposed skin, such as the hands: G ently and thoroughly w ash the contam inated skin w ith running w ater and
    non-abrasive soap. Be particularly careful to clean folds, crevices, creases and groin. C over the irritated skin w ith an
    em ollient. Seek m edical attention. Treat sym ptom atically and supportively. W ash any contam inated clothing before
    reusing.
    Inhalation
    Evacuate the victim to a safe area as soon as possible. Loosen tight clothing such as a collar, tie, belt or w aistband. If
    breathing is difficult, adm inister oxygen. If the victim is not breathing, perform artificial respiration. Seek m edical
    attention. Treat symptomatically and supportively.
    Ingestion
    Rem ove den tu res if an y. W atch for an obstru ction in th e victim 's m ou th . Rem ove if possible w h at is cau sin g th e
    obstru ction bu t do n ot force fin g ers or a h ard object betw een th e victim 's teeth . H ave con sciou s person drin k several
    glasses of w ater or m ilk. IN D U C E V O M ITIN G by sticking finger in throat. Seek im m ediate m edical atten tion and, if
    possible, show the chemical label. Treat symptomatically and supportively.

Section V.        Fire and Explosion Data    
    Auto-Ignition
    Flammability        Not available.    
    Flammable.
    Flammable Limits
    Flash Points
    Not available.
    -9°C (15.8°F)
    Combustion Products
    These products are toxic carbon oxides (CO, CO        2). Some metallic oxides.    
    Fire Hazards
    Reactive w ith strong oxidizers. V apors m ay travel to source of ignition and flash back. C losed containers m ay explode
    from the heat of a fire. Highly flammable in presence of open flames and sparks, of heat.
    Explosion Hazards
    Risks of explosion of the product in presence of mechanical impact: Not available.
    Risks of explosion of the product in presence of static discharge: Not available.
    No additional information is available regarding the risks of explosion.
    Continued on Next Page
    D21ppy Ast)INGS(U.S.).o
    Fire Fighting Media
    SMALL FIRE: Use DRY chemicals, CO        2, alcohol foam or water spray.    
    and Instructions        LA RG E FIRE: U se alcohol foam , w ater spray or fog. C ool containing vessels w ith w ater jet in order to prevent pressure    
    build-up, autoignition or explosion. C onsult w ith local fire authorities before attem pting large scale fire-fighting
    operations.

Section VI.        Accidental Release Measures    
    Spill Cleanup
    Flammable liquid.
    Instructions        K eep aw ay from heat and sources of ignition. M echanical exhaust required. Stop leak if w ithout risk. A bsorb w ith D RY    
    earth, sand or other non-com bustible m aterial. D O N O T touch spilled m aterial. Prevent entry into sew ers, basem ents or
    confined areas; dike if needed. Eliminate all sources of ignition.

Section VII.        Handling and Storage    
    Handling and Storage
    FLA M M A BLE. Reactive w ith strong oxidizers; m ay be ignited by heat, sparks, or flam es. V apors m ay travel to source of
    ignition and flash back. C losed containers m ay explode from heat of a fire. Em pty containers m ay pose a fire risk.
    Information
    Evaporate residue under a fume hood if possible. Ground all equipment containing material.
    K eep aw ay from heat and sources of ignition. M echanical exhaust required. A void excessive heat and light. D o not
    breathe gas, fum es, vapor or spray. In case of insufficient ventilation, w ear suitable respiratory equipm ent. If you feel
    unw ell, seek m edical attention and show the label w hen possible. Treat sym ptom atically and supportively. A void
    contact with skin and eyes.
    Always store away from incompatible compounds such as oxidizing agents.

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
    Splash goggles. Lab coat. V apor respirator. Boots. G loves. A M SH A /N IO SH approved respirator m ust be used to avoid
    inhalation of the product. Suggested protective clothing m ight not be sufficient; consult a specialist BEFO RE handling
    this product.
    Exposure Limits
    Not available.

Section IX.        Physical and Chemical Properties    
    Physical state @ 20°C        Solubility    
    Liquid.
    Not available.
    Specific Gravity
    0.86 (water=1)
    Molecular Weight        Partition Coefficient    
    106.2        Not available.    
    Boiling Point        Vapor Pressure    
    61°C (141.8°F)        Not available.    
    Melting Point        Vapor Density    
    Not available.        Not available.    
    Refractive Index        Volatility    
    Not available.        Not available.    
    Critical Temperature        Odor    
    Not available.        Not available.    
    Viscosity        Taste    
    Not available.        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    
    RTECS Number
    Not available.
    Routes of Exposure
    Ingestion. Inhalation.
    Toxicity Data
    Not available.
    Chronic Toxic Effects        CARCINOGENIC EFFECTS : Not available.    
    MUTAGENIC EFFECTS : Not available.
    TERATOGENIC EFFECTS : Not available.
    Toxicity to the reproductive system: Not available.
    There is no know n effect from chronic exposure to this product.        Repeated or prolonged exposure to this com pound is    
    not known to aggravate existing medical conditions.
    Acute Toxic Effects
    N o specific inform ation is available in our data base regarding the toxic effects of this m aterial for hum ans. H ow ever,
    exposure to any chem ical should be kept to a m inim u m . Skin and eye contact m ay result in irritation. M ay be harm ful if
    inhaled or ingested. A lw ays follow safe industrial hygiene practices and w ear proper protective equipm ent w hen
    handling this compound.
    Continued on Next Page
    Dimethoxy(methyl)silane

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

Section XIII.        Disposal Considerations    
    Waste Disposal        Recycle to process, if possible. C onsult your local or regional authorities. You m ay be able to dissolve or m ix m aterial    
    w ith a com bustible solvent and burn in a chem ical incinerator equipped w ith an afterburner and scrubber system .
    Observe all federal, state, and local regulations when disposing of this substance.

Section XIV.        Transport Information    
    DOT Classification
    DOT CLASS 3: Flammable liquid.
    PIN Number
    Proper Shipping Name
    Flammable liquids n.o.s.
    Packing Group (PG)
    II
    DOT Pictograms

Section XV.        Other Regulatory Information and Pictograms    
    TSCA Chemical Inventory
    ON the EPA Toxic Substances Control Act (TSCA) inventory.
    This product is
    (EPA)
    WHMIS Classification
    WHMIS CLASS B-2: Flammable liquid with a flash point lower than 37.8°C (100°F).
    (Canada)
    EINECS Number (EEC)
    Not available.
    EEC Risk Statements
    R12- Extremely flammable.
    Japanese Regulatory Data Not available.

Section XVI.
    Version 1.0
    Validated on 1/15/1997.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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