Diphenylsulfone-3,3'-disulfonic Acid Disodium Salt      Revision number: 5    
  SAFETY DATA SHEET

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Section 1. IDENTIFICATION
  Product name:        Diphenylsulfone-3,3'-disulfonic Acid Disodium Salt    
    
  Revision number:        5    

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Section 2. HAZARDS IDENTIFICATION
  GHS classification
  PHYSICAL HAZARDS        Not classified    
    Not classified
  HEALTH HAZARDS
  ENVIRONMENTAL HAZARDS        Not classified    
  GHS label elements, including precautionary statements
  Pictograms or hazard symbols        None    
    No signal word
  Signal word
  Hazard statements        None    
    None
  Precautionary statements:

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Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
  Substance/mixture:        Substance    
  Components:        Diphenylsulfone-3,3'-disulfonic Acid Disodium Salt    
  Percent:        >95.0%(T)    
  CAS Number:        39616-93-8    
  Synonyms:        Disodium Diphenylsulfone-3,3'-disulfonate    
  Chemical Formula:        C12H8Na2O8S3    

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Section 4. FIRST AID MEASURES
  Inhalation:        Remove victim to fresh air and keep at rest in a position comfortable for breathing.    
    Get medical advice/attention if you feel unwell.
  Skin contact:        Remove/Take off immediately all contaminated clothing. Rinse skin with    
    water/shower. If skin irritation or rash occurs: Get medical advice/attention.
  Eye contact:        Rinse cautiously with water for several minutes. Remove contact lenses, if present    
    and easy to do. Continue rinsing. If eye irritation persists: Get medical
    advice/attention.
  Ingestion:        Get medical advice/attention if you feel unwell. Rinse mouth.    
  Protection of first-aiders:        A rescuer should wear personal protective equipment, such as rubber gloves and air-    
    tight goggles.

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Section 5. FIRE-FIGHTING MEASURES
  Suitable extinguishing        Dry chemical, foam, water spray, carbon dioxide.    
  media:
  Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to
  from the chemical:        generate poisonous fume.    
  Salt

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Section 5. FIRE-FIGHTING MEASURES
  Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
    method according to the surrounding situation is used. Uninvolved persons should
    evacuate to a safe place. In case of fire in the surroundings: Remove movable
    containers if safe to do so.
  Special protective        When extinguishing fire, be sure to wear personal protective equipment.    
  equipment for firefighters:

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Section 6. ACCIDENTAL RELEASE MEASURES
    Use personal protective equipment. Keep people away from and upwind of spill/leak.
  Personal precautions,
  protective equipment and Entry to non-involved personnel should be controlled around the leakage area by
  emergency procedures: roping off, etc.
  Environmental precautions: Prevent product from entering drains.
  Methods and materials for Sweep dust to collect it into an airtight container, taking care not to disperse it.
  containment and cleaning Adhered or collected material should be promptly disposed of, in accordance with
  up: appropriate laws and regulations.

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Section 7. HANDLING AND STORAGE
  Precautions for safe handling
    Handling is performed in a well ventilated place. Wear suitable protective equipment.
  Technical measures:
    Prevent dispersion of dust. Wash hands and face thoroughly after handling.
    Use a local exhaust if dust or aerosol will be generated.
  Advice on safe handling: Avoid contact with skin, eyes and clothing.
  Conditions for safe storage, including any
  incompatibilities
  Storage conditions:        Keep container tightly closed. Store in a cool and dark place.    
    Store away from incompatible materials such as oxidizing agents.
  Packaging material:        Comply with laws.    

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Section 8. EXPOSURE CONTROLS / PERSONAL PROTECTION
    Install a closed system or local exhaust as possible so that workers should not be
  Engineering controls:
    exposed directly. Also install safety shower and eye bath.
  Personal protective equipment
  Respiratory protection: Dust respirator. Follow local and national regulations.
  Hand protection:        Protective gloves.    
  Eye protection:        Safety glasses. A face-shield, if the situation requires.    
  Skin and body protection: Protective clothing. Protective boots, if the situation requires.

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Section 9. PHYSICAL AND CHEMICAL PROPERTIES
  Physical state (20°C):        Solid    
  Form:        Crystal- Powder    
    White - Very pale yellow
  Colour:
  Odour:        No data available    
  pH: No data available
  Melting point/freezing point:No data available
    No data available
  Boiling point/range:
  Flash point:        No data available    
  Flammability or explosive
  limits:
    No data available
  Lower:
  Upper:        No data available    
    No data available
  Relative density:
  Solubility(ies):
    No data available
  [Water]
  [Other solvents]        No data available    
  Salt

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Section 10. STABILITY AND REACTIVITY
  Chemical stability:        Stable under proper conditions.    
  Possibility of hazardous No special reactivity has been reported.
  reactions:
  Incompatible materials: Oxidizing agents
  Hazardous decomposition Carbon monoxide, Carbon dioxide, Sulfur oxides
  products:

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Section 11. TOXICOLOGICAL INFORMATION
    No data available
  Acute Toxicity:
  Skin corrosion/irritation: No data available
    No data available
  Serious eye
  damage/irritation:
  Germ cell mutagenicity: No data available
  Carcinogenicity:
    No data available
  IARC =
  NTP =        No data available    
    No data available
  Reproductive toxicity:

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Section 12. ECOLOGICAL INFORMATION
  Ecotoxicity:
  Fish:        No data available    
  Crustacea:        No data available    
  Algae:        No data available    
  Persistence / degradability: No data available
  Bioaccumulative        No data available    
  potential(BCF):
  Mobility in soil
  Log Pow:        No data available    
  Soil adsorption (Koc):        No data available    
  Henry's Law        No data available    
  constant(PaM3/mol):

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Section 13. DISPOSAL CONSIDERATIONS
    Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material
    with a 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.

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Section 14. TRANSPORT INFORMATION
  Hazards Class:        Does not correspond to the classification standard of the United Nations    
  UN-No:        Not listed    

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Section 15. REGULATORY INFORMATION
  Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
  and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
    loading and unloading were prescribed.
  Salt

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SECTION 16 - ADDITIONAL INFORMATION
N/A