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4-(4-aminophenyl)aniline 92-87-5 MSDS

Section 1. Chemical Product and Company Identification
    Benzidine
    Common Name/
    Trade Name
    Benzidine

Section 3. Hazards Identification
    Hazardous in case of ingestion, of inhalation. Slightly hazardous in case of skin contact (irritant, permeator), of eye
    Potential Acute Health
    contact (irritant).
    Effects
    CARCINOGENIC EFFECTS: Classified A1 (Confirmed for human.) by ACGIH, 1 (Proven for human.) by IARC, 1 (Clear
    Potential Chronic Health
    evidence. Known to be a human carcinogen) by NTP, + (Proven. Cancer suspect agent) by OSHA.
    Effects
    MUTAGENIC EFFECTS: Mutagenic for mammalian somatic cells. Mutagenic for bacteria and/or yeast.
    TERATOGENIC EFFECTS: Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    The substance may be toxic to kidneys, liver.
    Repeated or prolonged exposure to the substance can produce target organs damage.

Section 4. First Aid Measures
    Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least
    Eye Contact
    15 minutes. Cold water may be used. WARM water MUST be used. Get medical attention if irritation occurs.
    Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.
    Skin Contact
    Not available.
    Serious Skin Contact
    Inhalation        If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get    
    medical attention.
    Serious Inhalation        Evacuate the victim to a safe area as soon as possible. Loosen tight clothing such as a collar, tie, belt or waistband.    
    If breathing is difficult, administer oxygen. If the victim is not breathing, perform mouth-to-mouth resuscitation. Seek
    medical attention.
    Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an
    Ingestion
    unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight
    clothing such as a collar, tie, belt or waistband.
    Not available.
    Serious Ingestion

Section 5. Fire and Explosion Data
    Flammability of the Product May be combustible at high temperature.
    Auto-Ignition Temperature Not available.
    Not available.
    Flash Points
    Not available.
    Flammable Limits
    These products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...).
    Products of Combustion
    Fire Hazards in Presence of Slightly flammable to flammable in presence of heat.
    Various Substances
    Risks of explosion of the product in presence of mechanical impact: Not available.
    Explosion Hazards in
    Risks of explosion of the product in presence of static discharge: Not available.
    Presence of Various
    Substances
    SMALL FIRE: Use DRY chemical powder.
    Fire Fighting Media
    LARGE FIRE: Use water spray, fog or foam. Do not use water jet.
    and Instructions
    When heated to decomposition it emits very toxic fumes of nitrogen oxides. Material in powder form, capable of
    Special Remarks on
    creating a dust explosion.
    Fire Hazards
    Fine dust dispersed in air in sufficient concentrations, and in the presence of an ignition source is a potential dust
    Special Remarks on
    explosion hazard.
    Explosion Hazards
    Benzidine

Section 6. Accidental Release Measures
    Use appropriate tools to put the spilled solid in a convenient waste disposal container.
    Small Spill
    Large Spill        Use a shovel to put the material into a convenient waste disposal container.    

Section 7. Handling and Storage
    Keep away from heat. Keep away from sources of ignition. Ground all equipment containing material. Do not
    Precautions
    ingest. Do not breathe dust. Wear suitable protective clothing. In case of insufficient ventilation, wear suitable
    respiratory equipment. If ingested, seek medical advice immediately and show the container or the label.
    Keep container tightly closed. Keep container in a cool, well-ventilated area.
    Storage

Section 8. Exposure Controls/Personal Protection
    Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below
    Engineering Controls
    recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to
    airborne contaminants below the exposure limit.
    Personal Protection        Safety glasses. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves.    
    Personal Protection in Case Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used to
    avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE
    of a Large Spill
    handling this product.
    Exposure Limits        Not available.    

Section 9. Physical and Chemical Properties
    Solid. (Crystalline powder.)        Not available.    
    Physical state and        O dor    
    appearance
    Not available.
    Taste
    184.24 g/mole
    Molecular Weight
    Beige. White to yellowish. White.
    Color
    Not available.
    pH (1% soln/water)
    401°C (753.8°F)
    Boiling Point
    115°C (239°F) - 128 C.
    Melting Point
    Not available.
    Critical Temperature
    1.25 (Water = 1)
    Specific Gravity
    Not applicable.
    Vapor Pressure
    6.36 (Air = 1)
    Vapor Density
    Not available.
    Volatility
    Not available.
    Odor Threshold
    The product is more soluble in oil; log(oil/water) = 1.3
    Water/Oil Dist. Coeff.
    Not available.
    Ionicity (in Water)
    See solubility in water, diethyl ether.
    Dispersion Properties
    Partially soluble in diethyl ether.
    Solubility
    Very slightly soluble in cold water.
    1 gram dissolves in 2500 ml cold water; 1 gram dissolves in 107 ml boiling water; 1 gram dissolves in 5 ml boiling
    alcohol; 1 gram dissolves in 50 ml ether.
    Other information on Solubility in Water: 322 mg/L at 25 deg. C.
    Benzidine

Section 10. Stability and Reactivity Data
    The product is stable.
    Stability
    Not available.
    Instability Temperature
    Conditions of Instability Excess heat, incompatible materials, dust generation.
    Incompatibility with various Not available.
    substances
    Not available.
    Corrosivity
    Benzidine is hypergollic (will ignite spontaneously) with red fuming nitric acid.
    Special Remarks on
    Reactivity
    Not available.
    Special Remarks on
    Corrosivity
    Will not occur.
    Polymerization

Section 11. Toxicological Information
    Absorbed through skin. Inhalation. Ingestion.
    Routes of Entry
    Acute oral toxicity (LD50): 214 mg/kg [Mouse].
    Toxicity to Animals
    CARCINOGENIC EFFECTS: Classified A1 (Confirmed for human.) by ACGIH, 1 (Proven for human.) by IARC, 1 (Clear
    Chronic Effects on Humans
    evidence. Known to be a human carcinogen) by NTP, + (Proven. Cancer suspect agent) by OSHA.
    MUTAGENIC EFFECTS: Mutagenic for mammalian somatic cells. Mutagenic for bacteria and/or yeast.
    May cause damage to the following organs: kidneys, liver.
    Hazardous in case of ingestion, of inhalation.
    Other Toxic Effects on
    Humans        Slightly hazardous in case of skin contact (irritant, permeator).    
    Not available.
    Special Remarks on
    Toxicity to Animals
    Special Remarks on        May affect genetic material (mutagenic).    
    Chronic Effects on Humans May cause cancer.
    Special Remarks on other        Acute Potential Health Effects:    
    Skin: May cause skin irritation. Can be absorbed through the skin.
    Toxic Effects on Humans
    Eyes: May cause eye irritation.
    Inhalation:
    Ingestion: Harmful if swallowed. It can cause nausea, vomiting. It may cause liver and kidney damage.
    Chronic Potential Health Effects:
    Skin: Prolonged or repeated skin contact may cause skin allergy.

Section 12. Ecological Information
    Not available.
    Ecotoxicity
    Not available.
    BOD5 and COD
    Products of Biodegradation Possibly hazardous short term degradation products are not likely. However, long term degradation products may
    arise.
    The products of degradation are less toxic than the product itself.
    Toxicity of the Products
    of Biodegradation
    Not available.
    Special Remarks on the
    Products of Biodegradation
    Benzidine

Section 13. Disposal Considerations
    Waste must be disposed of in accordance with federal, state and local environmental control
    Waste Disposal
    regulations.

Section 14. Transport Information
    CLASS 6.1: Poisonous material.
    DO T Cl assi fi cati on
    : Benzidine UNNA: 1885 PG: II
    Identification
    Not available.
    Special Provisions for
    Transport
    DO T (Pi ctograms)

Section 15. Other Regulatory Information and Pictograms
    California prop. 65: This product contains the following ingredients for which the State of California has found to
    Federal and State
    cause cancer, birth defects or other reproductive harm, which would require a warning under the statute: Benzidine
    Regulations
    California prop. 65 (no significant risk level): Benzidine: 1e-006 mg/day (value)
    California prop. 65: This product contains the following ingredients for which the State of California has found to
    cause cancer which would require a warning under the statute: Benzidine
    Connecticut carcinogen reporting list.: Benzidine
    Connecticut hazardous material survey.: Benzidine
    Illinois chemical safety act: Benzidine
    New York release reporting list: Benzidine
    Rhode Island RTK hazardous substances: Benzidine
    Pennsylvania RTK: Benzidine
    Minnesota: Benzidine
    Massachusetts RTK: Benzidine
    Massachusetts spill list: Benzidine
    New Jersey: Benzidine
    New Jersey spill list: Benzidine
    Louisiana spill reporting: Benzidine
    California Director's List of Hazardous Substances: Benzidine
    TSCA 5(a)2 final significant rules: Benzidine
    TSCA 8(c) calls for record of SAR: Benzidine
    TSCA 8(d) H and S data reporting: Benzidine: Effective date: 6/1/87; Sunset date: 6/1/97
    SARA 302/304/311/312 extremely hazardous substances: Benzidine
    SARA 313 toxic chemical notification and release reporting: Benzidine
    CERCLA: Hazardous substances.: Benzidine: 1 lbs. (0.4536 kg)
    California prop. 65: This product contains the following ingredients for which the State of California has found to
    California
    cause cancer which would require a warning under the statute: Benzidine
    Proposition 65
    Warnings
    California prop. 65: This product contains the following ingredients for which the State of California has found to
    cause birth defects which would require a warning under the statute: No products were found.
    OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).
    Other Regulations
    EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances (EINECS No.
    202-199-1).
    Canada: Listed on Canadian Non-Domestic Substance List (NDSL).
    China: Listed on National Inventory.
    Japan: Not listed on National Inventory (ENCS).
    Korea: Listed on National Inventory (KECI).
    Philippines: Listed on National Inventory (PICCS).
    Australia: Listed on AICS.
    CLASS D-1A: Material causing immediate and serious toxic effects (VERY TOXIC).
    Other Classifications        WHMIS (Canada)    
    CLASS D-2A: Material causing other toxic effects (VERY TOXIC).
    Class D-2B: Material causing other toxic effects (TOXIC).
    Benzidine
    DSCL (EEC)        R22- Harmful if swallowed.        S45- In case of accident or if you feel unwell,    
    R45- May cause cancer.        seek medical advice immediately (show the    
    R50/53- Very toxic to aquatic        label where possible).    
    organisms, may cause long-term        S53- Avoid exposure - obtain special instructions    
    adverse effects in the aquatic        before use.    
    environment.        S60- This material and its container must be    
    disposed of as hazardous waste.
    S61- Avoid release to the environment. Refer to
    special instructions/Safety data sheets.
    Health Hazard
    HMIS (U.S.A.)        2 National Fire Protection    
    1 Flammability
    1 Association (U.S.A.)
    Fire Hazard
    2 0 Reactivity
    Health
    Reactivity
    0
    Specific hazard
    Personal Protection
    E
    WHMIS (Canada)
    (Pictograms)
    DSCL (Europe)
    (Pictograms)
    TDG(Canada)
    (Pictograms)
    ADR (Europe)
    (Pictograms)
    Protective Equipment
    Gloves.
    Lab coat.
    Dust respirator. Be sure to use an
    approved/certified respirator or equivalent.
    Wear appropriate respirator when ventilation
    is inadequate.
    Safety glasses.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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