Mercurous sulfate
CAS No.: 7783-36-0
Synonyms:
Formula: Hg2O4S
Exact Mass: 499.89300
Molecular Weight: 497.24300
PSA: 88.64000
LogP: -0.26220
Mercurous sulfate 7783-36-0 MSDS

Section 1. Chemical Product and Company Identification
    Mercurous sulfate        Catalog    
    M1192, M1210
    Common Name/
    Number(s).
    Trade Name
    CAS#        7783-36-0    
    Manufacturer
    RTECS        OW0480000    
    SPECTRUM CHEMICAL MFG. CORP.
    TSCA        TSCA 8(b) inventory: No    
    products were found.
    Commercial Name(s)        Not available.    
    CI# Not available.
    Synonym        Not available.    
    IN CASE OF EMERGENCY
    Not available.
    Chemical Name
    Chemical Family        Not available.        CALL (310) 516-8000    
    Hg2SO4
    Chemical Formula
    SPECTRUM CHEMICAL MFG. CORP.

Section 2.Composition and Information on Ingredients
    Exposure Limits
    TWA (mg/m3)        STEL (mg/m3) CEIL (mg/m3)    
    Name        CAS #        % by Weight    
    1) Mercurous sulfate        7783-36-0        0.05 0.15 100    
    Toxicological Data        Mercurous sulfate:    
    on Ingredients        ORAL (LD50):        Acute: 205 mg/kg [Rat]. 152 mg/kg [Mouse Rabbit Mouse Mouse].    
    DERMAL (LD50):        Acute: 1175 mg/kg [Rat].    

Section 3. Hazards Identification
    Potential Acute Health Effects Very hazardous in case of ingestion. Hazardous in case of skin contact (irritant), of eye contact (irritant), of
    inhalation. Slightly hazardous in case of skin contact (permeator). Severe over-exposure can result in death.
    Potential Chronic Health        CARCINOGENIC EFFECTS: Classified A5 (Not suspected for human.) by ACGIH.    
    Effects        MUTAGENIC EFFECTS: Not available.    
    TERATOGENIC EFFECTS: Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    The substance is toxic to blood, kidneys, lungs, the nervous system, mucous membranes.
    Repeated or prolonged exposure to the substance can produce target organs damage. Repeated exposure to an
    highly toxic material may produce general deterioration of health by an accumulation in one or many human
    organs.
    Mercurous sulfate

Section 4. First Aid Measures
    Eye Contact        Check for and remove any contact lenses. Immediately flush eyes with running water for at least 15 minutes,    
    keeping eyelids open. Cold water may be used. Do not use an eye ointment. Seek medical attention.
    Skin Contact        After contact with skin, wash immediately with plenty of water. Gently and thoroughly wash the contaminated skin    
    with running water and non-abrasive soap. Be particularly careful to clean folds, crevices, creases and groin.
    Cover the irritated skin with an emollient. If irritation persists, seek medical attention.
    Serious Skin Contact        Wash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek immediate    
    medical attention.
    Inhalation        Allow the victim to rest in a well ventilated area. Seek immediate 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.
    Ingestion        Do not induce vomiting. Examine the lips and mouth to ascertain whether the tissues are damaged, a possible    
    indication that the toxic material was ingested; the absence of such signs, however, is not conclusive. Loosen
    tight clothing such as a collar, tie, belt or waistband. If the victim is not breathing, perform mouth-to-mouth
    resuscitation. Seek immediate medical attention.
    Serious Ingestion        Not available.    

Section 5. Fire and Explosion Data
    Flammability of the Product Non-flammable.
    Auto-Ignition Temperature Not applicable.
    Not applicable.
    Flash Points
    Not applicable.
    Flammable Limits
    Products of Combustion        Not available.    
    Fire Hazards in Presence of Not applicable.
    Various Substances
    Explosion Hazards in Presence 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.
    of Various Substances
    Fire Fighting Media        Not applicable.    
    and Instructions
    Not available.
    Special Remarks on
    Fire Hazards
    Special Remarks on Explosion Not available.
    Hazards

Section 6. Accidental Release Measures
    Small Spill        Use appropriate tools to put the spilled solid in a convenient waste disposal container.    
    Large Spill        Use a shovel to put the material into a convenient waste disposal container. Be careful that the product is not    
    present at a concentration level above TLV. Check TLV on the MSDS and with local authorities.
    Mercurous sulfate

Section 7. Handling and Storage
    Precautions        Keep locked up Do not 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. Avoid contact with skin and eyes
    Storage        Keep container tightly closed. Keep in a cool, well-ventilated place. Highly toxic or infectious materials should be    
    stored in a separate locked safety storage cabinet or room.

Section 8. Exposure Controls/Personal Protection
    Engineering Controls        Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below    
    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        Splash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent.    
    Gloves.
    Personal Protection in Case of Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used
    a Large Spill        to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist    
    BEFORE handling this product.
    Exposure Limits        TWA: 0.05 CEIL: 0.15 (mg/m3)    
    Consult local authorities for acceptable exposure limits.

Section 9. Physical and Chemical Properties
    Physical state and appearance Solid.        Odor        Not available.    
    Not available.
    Taste
    Molecular Weight        497.24 g/mole    
    Not available.
    Color
    Not available.
    pH (1% soln/water)
    Boiling Point        Not available.    
    Not available.
    Melting Point
    Critical Temperature        Not available.    
    Specific Gravity        7.56 (Water = 1)    
    Vapor Pressure        Not applicable.    
    Vapor Density        Not available.    
    Not available.
    Volatility
    Odor Threshold        Not available.    
    Water/Oil Dist. Coeff.        Not available.    
    Ionicity (in Water)        Not available.    
    Dispersion Properties        Not available.    
    Solubility        Very slightly soluble in cold water.    

Section 10. Stability and Reactivity Data
    Stability        The product is stable.    
    Instability Temperature        Not available.    
    Conditions of Instability        Not available.    
    Incompatibility with various Not available.
    substances
    Mercurous sulfate
    Corrosivity        Non-corrosive in presence of glass.    
    Special Remarks on        Not available.    
    Reactivity
    Special Remarks on        Not available.    
    Corrosivity
    Polymerization        No.    

Section 11. Toxicological Information
    Routes of Entry        Eye contact. Inhalation. Ingestion.    
    Toxicity to Animals        Acute oral toxicity (LD50): 152 mg/kg [Mouse Rabbit Mouse Mouse].    
    Acute dermal toxicity (LD50): 1175 mg/kg [Rat].
    Chronic Effects on Humans CARCINOGENIC EFFECTS: Classified A5 (Not suspected for human.) by ACGIH.
    The substance is toxic to blood, kidneys, lungs, the nervous system, mucous membranes.
    Other Toxic Effects on        Very hazardous in case of ingestion.    
    Humans        Hazardous in case of skin contact (irritant), of inhalation.    
    Slightly hazardous in case of skin contact (permeator).
    Special Remarks on
    Not available.
    Toxicity to Animals
    Special Remarks on        Not available.    
    Chronic Effects on Humans
    Special Remarks on other        Not available.    
    Toxic Effects on Humans

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

Section 13. Disposal Considerations
    Waste Disposal

Section 14. Transport Information
    DOT Classification        CLASS 6.1: Poisonous material.    
    : Mercury sulfate : UN1645 PG: II
    Identification
    Special Provisions for        Marine Pollutant    
    Transport
    Mercurous sulfate
    DOT (Pictograms)

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:
    Regulations
    Mercurous sulfate
    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: Mercurous sulfate
    Pennsylvania RTK: Mercurous sulfate
    Massachusetts RTK: Mercurous sulfate
    TSCA 8(b) inventory: No products were found.
    California
    California prop. 65: This product contains the following ingredients for which the State of California has found
    Proposition 65
    to cause birth defects which would require a warning under the statute: Mercurous sulfate
    Warnings
    Other Regulations        OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).    
    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).
    DSCL (EEC)        R36/38- Irritating to eyes and skin.    
    Health Hazard
    HMIS (U.S.A.)        3 National Fire Protection    
    0 Flammability
    0 Association (U.S.A.)
    Fire Hazard
    3 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.
    Mercurous sulfate
    Lab coat.
    Dust respirator. Be sure to use an
    approved/certified respirator or
    equivalent. Wear appropriate respirator
    when ventilation is inadequate.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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