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2,6-di-tert-butyl-4-methylphenol 128-37-0 MSDS

SECTION 1: Identification of the substance/mixture and of the company/undertaking
  Product identifiers
    Product name        : 2,6-Di-tert-butyl-4-methylphenol    
    REACH No.        : A registration number is not available for this substance as the substance    
    or its uses are exempted from registration, the annual tonnage does not
    require a registration or the registration is envisaged for a later
    registration deadline.
    CAS-No.        : 128-37-0    
  Relevant identified uses of the substance or mixture and uses advised against
    Identified uses        : Laboratory chemicals, Manufacture of substances    

SECTION 2: Hazards identification
  Classification of the substance or mixture
  Classification according to Regulation (EC) No 1272/2008
    Acute aquatic toxicity (Category 1), H400
    Chronic aquatic toxicity (Category 1), H410
    For the full text of the H-Statements mentioned in this Section, see Section 16.
  Classification according to EU Directives 67/548/EEC or 1999/45/EC
    N Dangerous for the        R50/53    
    For the full text of the R-phrases mentioned in this Section, see Section 16.
  Label elements
  Labelling according Regulation (EC) No 1272/2008
    Signal word        Warning    
    Hazard statement(s)
    H410        Very toxic to aquatic life with long lasting effects.    
    Precautionary statement(s)
    P273        Avoid release to the environment.    
    P501        Dispose of contents/ container to an approved waste disposal plant.    
    Supplemental Hazard        none    
  Other hazards - none

SECTION 3: Composition/information on ingredients
    Formula        : C15H24O    
    Molecular Weight        : 220,35 g/mol    
    CAS-No.        : 128-37-0    
    EC-No.        : 204-881-4    
  Hazardous ingredients according to Regulation (EC) No 1272/2008
    Component        Classification        Concentration    
    CAS-No.        128-37-0        Aquatic Acute 1; Aquatic        <= 100 %    
    EC-No.        204-881-4        Chronic 1; H410    
  Hazardous ingredients according to Directive 1999/45/EC
    Component        Classification        Concentration    
    CAS-No.        128-37-0        N, R50/53        <= 100 %    
    EC-No.        204-881-4    
    For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16

SECTION 4: First aid measures
  Description of first aid measures
  General advice
    Consult a physician. Show this safety data sheet to the doctor in attendance.
  If inhaled
    If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
  In case of skin contact
    Wash off with soap and plenty of water. Consult a physician.
  In case of eye contact
    Flush eyes with water as a precaution.
  If swallowed
    Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
  Most important symptoms and effects, both acute and delayed
    The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
    section 11
  Indication of any immediate medical attention and special treatment needed
    no data available

SECTION 5: Firefighting measures
  Extinguishing media
  Suitable extinguishing media
    Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
  Special hazards arising from the substance or mixture
    no data available
  Advice for firefighters
    Wear self contained breathing apparatus for fire fighting if necessary.
  Further information
    no data available

SECTION 6: Accidental release measures
  Personal precautions, protective equipment and emergency procedures
    Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation.
    For personal protection see section 8.
  Environmental precautions
    Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the
    environment must be avoided.
  Methods and materials for containment and cleaning up
    Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
    containers for disposal.
  Reference to other sections
    For disposal see section 13.

SECTION 7: Handling and storage
  Precautions for safe handling
    Provide appropriate exhaust ventilation at places where dust is formed.
    For precautions see section 2.2.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
  Specific end use(s)
    Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
  Control parameters
  Components with workplace control parameters
  Exposure controls
  Appropriate engineering controls
    Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
    at the end of workday.
  Personal protective equipment
  Eye/face protection
    Use equipment for eye protection tested and approved under appropriate government standards
    such as NIOSH (US) or EN 166(EU).
  Skin protection
    Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
    (without touching glove's outer surface) to avoid skin contact with this product. Dispose of
    contaminated gloves after use in accordance with applicable laws and good laboratory practices.
    Wash and dry hands.
    The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
    the standard EN 374 derived from it.
    Full contact
    Material: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: 480 min
    Material tested:Dermatril® (KCL 740 / Z677272, Size M)
    Splash contact
    Material: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: 480 min
    Material tested:Dermatril® (KCL 740 / Z677272, Size M)
    data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300,     test method: EN374
    If used in solution, or mixed with other substances, and under conditions which differ from EN 374,
    contact the supplier of the CE approved gloves. This recommendation is advisory only and must
    be evaluated by an industrial hygienist and safety officer familiar with the specific situation of
    anticipated use by our customers. It should not be construed as offering an approval for any
    specific use scenario.
  Body Protection
    Choose body protection in relation to its type, to the concentration and amount of dangerous
    substances, and to the specific work-place., The type of protective equipment must be selected
    according to the concentration and amount of the dangerous substance at the specific workplace.
  Respiratory protection
    Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
    use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
    approved under appropriate government standards such as NIOSH (US) or CEN (EU).
  Control of environmental exposure
    Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into
    the environment must be avoided.

SECTION 9: Physical and chemical properties
  Information on basic physical and chemical properties
    a) Appearance        Form: powder, crystalline    
    Colour: white
    b) Odour        no data available    
    c) Odour Threshold        no data available    
    d) pH        no data available    
    e) Melting point/freezing        Melting point/range: 69 - 73 °C - lit.    
    f) Initial boiling point and 265 °C - lit.
    boiling range
    g) Flash point        127,0 °C - closed cup    
    h) Evapouration rate        no data available    
    i) Flammability (solid, gas) no data available
    j) Upper/lower        no data available    
    flammability or
    explosive limits
    k) Vapour pressure        0,01 hPa at 20,0 °C    
    l) Vapour density        no data available    
    m) Relative density        1,05 g/cm3 at 20 °C    
    n) Water solubility        0,0004 g/l at 20 °C - slightly soluble    
    o) Partition coefficient: n- log Pow: 5,1
    p) Auto-ignition        470,0 °C    
    q) Decomposition        no data available    
    r) Viscosity        3,47 mm2/s at 80 °C -    
    s) Explosive properties        no data available    
    t) Oxidizing properties        no data available    
  Other safety information
    Solubility in other        Toluene - soluble    
    solvents        Methanol - soluble    
    Acetone - soluble
    Dissociation constant 12,2

SECTION 10: Stability and reactivity
    no data available
  Chemical stability
    Stable under recommended storage conditions.
  Possibility of hazardous reactions
    no data available
  Conditions to avoid
    no data available
  Incompatible materials
    Acid chlorides, Acid anhydrides, Oxidizing agents, Bases, Brass, Copper
  Hazardous decomposition products
    Other decomposition products - no data available
    In the event of fire: see section 5

SECTION 11: Toxicological information
  Information on toxicological effects
  Acute toxicity
    LD50 Oral - rat - male and female - > 6.000 mg/kg
    (OECD Test Guideline 401)
    LD50 Dermal - rat - male and female - > 2.000 mg/kg
    (OECD Test Guideline 402)
  Skin corrosion/irritation
    no data available
  Serious eye damage/eye irritation
    Eyes - rabbit
    Result: No eye irritation
    (Read-across (Analogy))
  Respiratory or skin sensitisation
    no data available
  Germ cell mutagenicity
    Ames test
    S. typhimurium
    Result: negative
    mouse - male and female
    Result: negative
    This product is or contains a component that is not classifiable as to its carcinogenicity based on its IARC,
    ACGIH, NTP, or EPA classification.
    IARC:        3 - Group 3: Not classifiable as to its carcinogenicity to humans (2,6-di-tert-Butyl-p-cresol)    
  Reproductive toxicity
    no data available
  Specific target organ toxicity - single exposure
    no data available
  Specific target organ toxicity - repeated exposure
    no data available
  Aspiration hazard
    no data available
  Additional Information
    Repeated dose toxicity - rat - male and female - Oral - No observed adverse effect level - 25 mg/kg
    RTECS: GO7875000
    To the best of our knowledge, the chemical, physical, and toxicological properties have not been
    thoroughly investigated.

SECTION 12: Ecological information
    Toxicity to fish        LC50 - Oryzias latipes - 5,3 mg/l - 48 h    
    Toxicity to daphnia and static test EC50 - Daphnia magna (Water flea) - 0,48 mg/l - 48 h
    other aquatic        (OECD Test Guideline 202)    
    Toxicity to bacteria        Growth inhibition EC50 - Protozoa - 1,7 mg/l - 24 h    
  Persistence and degradability
    no data available
  Bioaccumulative potential
    no data available
  Mobility in soil
    no data available
  Results of PBT and vPvB assessment
    PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
  Other adverse effects
    Very toxic to aquatic life with long lasting effects.

SECTION 13: Disposal considerations
  Waste treatment methods
    Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material
    with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
  Contaminated packaging
    Dispose of as unused product.

SECTION 14: Transport information
  UN number
    ADR/RID: 3077        IMDG: 3077        IATA: 3077    
  UN proper shipping name
    IATA:        Environmentally hazardous substance, solid, n.o.s. (2,6-di-tert-Butyl-p-cresol)    
  Transport hazard class(es)
    ADR/RID: 9        IMDG: 9        IATA: 9    
  Packaging group
    ADR/RID: III        IMDG: III        IATA: III    
  Environmental hazards
    ADR/RID: yes        IMDG Marine pollutant: yes        IATA: yes    
  Special precautions for user
  Further information
    EHS-Mark required (ADR, IMDG code 2.10.3) for single packagings and combination
    packagings containing inner packagings with Dangerous Goods > 5L for liquids or > 5kg for solids.



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