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Section 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
  Product identifiers
    : 4,4′-Diisothiocyanatostilbene-2,2′-disulfonic acid
    Product name
    disodium salt hydrate
    CAS-No.        : 207233-90-7    
  Relevant identified uses of the substance or mixture and uses advised against
    Identified uses        : Laboratory chemicals, Manufacture of substances    
  
  

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Section 2. HAZARDS IDENTIFICATION
  Classification of the substance or mixture
  Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP]
    Skin irritation (Category 2)
    Eye irritation (Category 2)
    Respiratory sensitization (Category 1)
    Specific target organ toxicity - single exposure (Category 3)
  Classification according to EU Directives 67/548/EEC or 1999/45/EC
    Irritating to eyes, respiratory system and skin. May cause sensitization by inhalation.
  Label elements
  Labelling according Regulation (EC) No 1272/2008 [CLP]
    Pictogram
    Signal word        Danger    
    Hazard statement(s)
    H315        Causes skin irritation.    
    H319        Causes serious eye irritation.    
    H334        May cause allergy or asthma symptoms or breathing difficulties if inhaled.    
    H335        May cause respiratory irritation.    
    Precautionary statement(s)
    P261        Avoid breathing dust.    
    P305 + P351 + P338        IF IN EYES: Rinse cautiously with water for several minutes. Remove    
    contact lenses, if present and easy to do. Continue rinsing.
    P342 + P311        If experiencing respiratory symptoms: Call a POISON CENTER or doctor/    
    physician.
    Supplemental Hazard        none    
    Statements
  According to European Directive 67/548/EEC as amended.
    Hazard symbol(s)
    R-phrase(s)
    R36/37/38        Irritating to eyes, respiratory system and skin.    
    R42        May cause sensitization by inhalation.    
    S-phrase(s)
    S22        Do not breathe dust.    
    S26        In case of contact with eyes, rinse immediately with plenty of water and    
    seek medical advice.
  Other hazards - none

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Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substances
    Synonyms        : DIDS    
    Disodium 4,4′-diisothiocyanatostilbene-2,2′-disulfonate
    Formula        : C16H8N2Na2O6S4·xH2O    
    Molecular Weight        : 498,48 g/mol    
    Component        Concentration    
  4,4'-Diisothiocyanato-2,2'-stilbenedisulfonic acid, disodium salt hydrate
    CAS-No.        207233-90-7        -    

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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
    Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
  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
    Dermatitis, To the best of our knowledge, the chemical, physical, and toxicological properties have not
    been thoroughly investigated.
  Indication of any immediate medical attention and special treatment needed
    no data available

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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
    Carbon oxides, nitrogen oxides (NOx), Sulphur oxides, Sodium oxides
  Advice for firefighters
    Wear self contained breathing apparatus for fire fighting if necessary.
  Further information
    no data available

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Section 6. ACCIDENTAL RELEASE MEASURES
  Personal precautions, protective equipment and emergency procedures
    Use personal protective equipment. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure
    adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
  Environmental precautions
    Do not let product enter drains.
  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.

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Section 7. HANDLING AND STORAGE
  Precautions for safe handling
    Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
    Provide appropriate exhaust ventilation at places where dust is formed.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
    Recommended storage temperature: 2 - 8 °C
    Moisture sensitive. Light sensitive.
  Specific end uses
    no data available

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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
    Face shield and safety glasses 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.
  Body Protection
    Complete suit protecting against chemicals, The type of protective equipment must be selected
    according to the concentration and amount of the dangerous substance at the specific workplace.
  Respiratory protection
    For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher
    level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges.
    Use respirators and components tested and approved under appropriate government standards
    such as NIOSH (US) or CEN (EU).

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Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Information on basic physical and chemical properties
    a) Appearance        Form: powder    
    Colour: yellow
    b) Odour        no data available    
    c) Odour Threshold        no data available    
    d) pH        no data available    
    e) Melting point/freezing        no data available    
    point
    f) Initial boiling point and no data available
    boiling range
    g) Flash point        no data available    
    h) Evaporation rate        no data available    
    i) Flammability (solid, gas) no data available
    j) Upper/lower        no data available    
    flammability or
    explosive limits
    k) Vapour pressure        no data available    
    l) Vapour density        no data available    
    m) Relative density        no data available    
    n) Water solubility        no data available    
    o) Partition coefficient: n- no data available
    octanol/water
    p) Autoignition        no data available    
    temperature
    q) Decomposition        no data available    
    temperature
    r) Viscosity        no data available    
    s) Explosive properties        no data available    
    t) Oxidizing properties        no data available    
  Other safety information
    no data available

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Section 10. STABILITY AND REACTIVITY
  Reactivity
    no data available
  Chemical stability
    no data available
  Possibility of hazardous reactions
    no data available
  Conditions to avoid
    Light.
  Incompatible materials
    Strong oxidizing agents, Strong acids, Strong bases, Organic materials
  Hazardous decomposition products
    Other decomposition products - no data available

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Section 11. TOXICOLOGICAL INFORMATION
  Information on toxicological effects
  Acute toxicity
    no data available
  Skin corrosion/irritation
    no data available
  Serious eye damage/eye irritation
    no data available
  Respiratory or skin sensitization
    May cause allergic respiratory reaction.
  Germ cell mutagenicity
    no data available
  Carcinogenicity
    IARC:        No component of this product present at levels greater than or equal to 0.1% is identified as    
    probable, possible or confirmed human carcinogen by IARC.
  Reproductive toxicity
    no data available
  Specific target organ toxicity - single exposure
    Inhalation - May cause respiratory irritation.
  Specific target organ toxicity - repeated exposure
    no data available
  Aspiration hazard
    no data available
  Potential health effects
  Inhalation
    May be harmful if inhaled. Causes respiratory tract irritation.
  Ingestion        May be harmful if swallowed.    
  Skin        May be harmful if absorbed through skin. Causes skin irritation.    
  Eyes        Causes serious eye irritation.    
  Signs and Symptoms of Exposure
    Dermatitis, To the best of our knowledge, the chemical, physical, and toxicological properties have not
    been thoroughly investigated.
  Additional Information
    RTECS: Not available

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Section 12. ECOLOGICAL INFORMATION
  Toxicity
    no data available
  Persistence and degradability
    no data available
  Bioaccumulative potential
    no data available
  Mobility in soil
    no data available
  Results of PBT and vPvB assessment
    no data available
  Other adverse effects
    no data available

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Section 13. DISPOSAL CONSIDERATIONS
  Waste treatment methods
  Product
    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.

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Section 14. TRANSPORT INFORMATION
  UN number
    ADR/RID: -        IMDG: -        IATA: -    
  UN proper shipping name
    ADR/RID: Not dangerous goods
    IMDG: Not dangerous goods
    IATA:        Not dangerous goods    
  Transport hazard class(es)
    ADR/RID: -        IMDG: -        IATA: -    
  Packaging group
    ADR/RID: -        IMDG: -        IATA: -    
  Environmental hazards
    ADR/RID: no        IMDG Marine pollutant: no        IATA: no    
  Special precautions for user
    no data available

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Section 15. REGULATORY INFORMATION
    This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
  Safety, health and environmental regulations/legislation specific for the substance or mixture
    no data available
  Chemical Safety Assessment
    no data available

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Section 16. OTHER INFORMATION
  Further information
    Copyright 2012 Co. LLC. License granted to make unlimited paper copies for internal use
    only.
    The above information is believed to be correct but does not purport to be all inclusive and shall be
    used only as a guide. The information in this document is based on the present state of our knowledge
    and is applicable to the product with regard to appropriate safety precautions. It does not represent any
    guarantee of the properties of the product. Corporation and its Affiliates shall not be held
    liable for any damage resulting from handling or from contact with the above product. See
     and/or the reverse side of invoice or packing slip for additional terms and conditions of sale.