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CAS No.: 7440-38-2
Formula: AsH3
Exact Mass: 77.94510
Molecular Weight: 77.94540
PSA: 0.00000
LogP: -0.04330
Reference Price: $540/kg Inquiry Now
arsane 7440-38-2 MSDS

Section 1. Chemical Product and Company Identification
    Common Name/
    Trade Name
    Commercial Name(s)
    Chemical Name
    Chemical Family

Section 4. First Aid Measures
    Eye Contact        Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for    
    at least 15 minutes. Get medical attention if irritation occurs.
    Skin Contact        Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation    
    Serious Skin Contact        Not available.    
    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.
    Ingestion        Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an    
    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.
    Serious Ingestion        Not available.    

Section 5. Fire and Explosion Data
    Flammability of the Product May be combustible at high temperature.
    Auto-Ignition Temperature Not available.
    Flash Points        Not available.    
    Flammable Limits        Not available.    
    Products of Combustion        Some metallic oxides.    
    Fire Hazards in Presence of Slightly flammable to flammable in presence of open flames and sparks, of heat, of oxidizing materials, of
    Various Substances        acids.    
    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
    SMALL FIRE: Use DRY chemical powder.
    Fire Fighting Media
    and Instructions        LARGE FIRE: Use water spray, fog or foam. Do not use water jet.    
    Special Remarks on        On contact, arsenic reacts with incandescence with bromine trifluoride (BrF3), chromium trioxide (CrO3),    
    iodine pentafluoride (IF5), nitrosyl fluoride (FNO), and potassium dioxide (KO2). Platinum and arsenic will
    Fire Hazards
    react on heating and become vividly incandescent.
    Palladium or zinc and arsenic will react on heating with evolution of light and heat.
    Finely powdered arsenic inflames in gaseous chlorine.
    A finely divided mixture of arsenic and silver nitrate (AgNO3), with excess nitrate ignited when shaken onto
    Arsenic reacts violently with ignition with bromine pentafluoride (BrF5) and with chlorine trifluoride (ClF3) at
    ambient or slightly elevated temperatures.
    Special Remarks on Explosion Arsenic explodes on contact with bromine azide (BrN3) and dichlorine oxide (Cl2O); arsenic explodes on
    Hazards        grinding in a mortar with solid potassium permanganate (KMnO4); arsenic forms an explosive mixture with    
    sodium peroxide (Na2O2).
    Arsenic will initiate a violent and often explosive decomposition of nitrogen trichloride (NCl3).

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.

Section 7. Handling and Storage
    Precautions        Keep away from heat. Keep away from sources of ignition. Ground all equipment containing material. 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. Keep away from incompatibles such as oxidizing agents, acids.
    Storage        Keep container tightly closed. Keep container in a cool, well-ventilated area.    

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        Safety glasses. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent.    
    Personal Protection in Case of Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be
    a Large Spill        used to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a    
    specialist BEFORE handling this product.
    TWA: 0.01 (mg/m3) from OSHA (PEL) [United States]
    Exposure Limits
    TWA: 0.01 (mg/m3) from ACGIH (TLV) [United States]
    CEIL: 0.002 (mg/m3) from NIOSH [United States]
    TWA: 0.1 (mg/m3) [United Kingdom (UK)]
    TWA: 0.01 (mg/m3) [Canada]
    Consult local authorities for acceptable exposure limits.

Section 9. Physical and Chemical Properties
    Physical state and appearance Solid. (Lumps. Crystalline solid.)        Odor        Odorless.    
    Molecular Weight        74.92 g/mole    
    Color        Silvery. Silvery-gray    
    Not applicable.
    pH (1% soln/water)
    Boiling Point        Not available.    
    Melting Point        Sublimation temperature: 615°C (1139°F)    
    Critical Temperature        1399.8°C (2551.6°F)    
    Specific Gravity        5.73 (Water = 1)    
    Not applicable.
    Vapor Pressure
    Vapor Density        Not available.    
    Not available.
    Odor Threshold        Not available.    
    Water/Oil Dist. Coeff.        Not available.    
    Ionicity (in Water)        Not available.    
    Dispersion Properties        Not available.    
    Insoluble in cold water, hot water.
    Insoluble in caustic and nonoxidizing acids.

Section 10. Stability and Reactivity Data
    The product is stable.
    Instability Temperature        Not available.    
    Conditions of Instability        Incompatible materials    
    Incompatibility with various        Reactive with oxidizing agents, acids.    
    Non-corrosive in presence of glass.
    Special Remarks on        Incompatible with bromates (barium bromate, calcium bromate, magnesium bromate, sodium bromate, zinc    
    Reactivity        bromate), chlorates (barium chlorate, calcium chlorate, magnesium chlorate, potassium chlorate, sodium    
    chlorate, zinc chlorate), iodates (barium iodate, calcium iodate, magnesium iodate, potassium iodate, sodium
    iodate, zinc iodate), bromine pentafluoride, bromine trifluoride, cesium acetylene carbide, chlorine, chlorine
    monoxide, chromium trioxide, fluorine, hypochlorous acid, iodine pentafluoride, nitrogen tribromide, nitrogen
    trichloride, potassium nitrate, potassium permanganate, potassium peroxide, rubidium carbide, rubidium
    acetylene carbide, silver nitrate sodium peroxide.
    When heated, or on contact with acid or acid fumes, arsenic emits highly toxic fumes.
    Inorganic arsenic can react with hydrogen gas to produce highly toxic arsine gas.
    Not available.
    Special Remarks on
    Polymerization        Will not occur.    

Section 11. Toxicological Information
    Routes of Entry        Inhalation. Ingestion.    
    Toxicity to Animals
    Acute oral toxicity (LD50): 145 mg/kg [Mouse].
    Chronic Effects on Humans        CARCINOGENIC EFFECTS: Classified A1 (Confirmed for human.) by ACGIH, 1 (Proven for human.) by    
    May cause damage to the following organs: blood, the nervous system, liver, heart, bone marrow.
    Other Toxic Effects on
    Very hazardous in case of ingestion.
    Humans        Hazardous in case of inhalation.    
    Slightly hazardous in case of skin contact (irritant).
    Special Remarks on        Not available.    
    Toxicity to Animals
    Special Remarks on        Not available.    
    Chronic Effects on Humans
    Special Remarks on other        Acute Potential Health Effects:    
    Toxic Effects on Humans        Skin: May cause skin irritation. May be absorbed through intact skin and cause system effects.    
    Eyes: May cause eye irritation.
    Inhalation: Can cause respiratory tract irritation with cough, breathing difficulity, chest pain. May cause
    damage to respiratory tract.
    Ingestion: Can cause severe gastrointestinal tract damage, including vomiting, diarrhea, and shock. Can
    also cause alopecia, burning lips, garlic odor of breath, facial swelling, throat constriction and dysphagia,
    intense thirst, muscle cramps, cardiac abnormalities, bone marrow suppression, anemia, deceased white
    blood cell count, kidney failure, enlargement of liver, progessive hypotension, refractory ventricular fibrillation,
    irreversible cardiac arrest . Also affects nervous system involving both sensory and motor peripheral
    polyneuropathies. Neurological symptoms can include headache, lethargy, mental confusion, hallucinations,
    emotional lability, memory loss, delirium, seizures, stupors, convulsions, coma.
    Chronic Potential Health Effects:
    Ingestion: Can cause hyperpigemtation of skin, particularly on palms of skin and hands and soles of feet,
    gangrene, anemia, cirrhosis of liver.
    Inhalation: Can cause perforation of the nasal septum.
    Similar systemic effects can occur with chronic arsenic poisoning, via inhalation or ingestion. Chronic
    (systemic)arsenic poisoning may also occur if it is absorbed through the skin.
    The major target organs for arsenic toxicity are the nerves, heart, blood/bone marrow, and liver. Nervous
    damage can be both central (encephalopathy) and peripheral (peripheral polyneuropathy). Early symptoms of
    peripheral nerve damage include pain, numbness, tingling, a pins-and-needles sensation in the extremities,
    loss of touch sensation, foot or wrist drop, and muscle cramps. Effects on the heart include ECG
    abnormalities and fibrillation. Arsenic can depress formation of all the blood elements in the bone marrow,
    causing aplastic anemia. Both cirrhosis and cancer of the liver have been reported with chronic arsenic

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 less toxic than the product itself.
    Toxicity of the Products
    of Biodegradation
    Special Remarks on the        Not available.    
    Products of Biodegradation

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

Section 14. Transport Information
    DOT Classification        CLASS 6.1: Poisonous material.    
    UNNA: 1558 : Arsenic PG: II
    Special Provisions for        Not available.    
    DOT (Pictograms)

Section 15. Other Regulatory Information and Pictograms
    Federal and State        California prop. 65: This product contains the following ingredients for which the State of California has found    
    to cause cancer, birth defects or other reproductive harm, which would require a warning under the statute:
    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: Arsenic
    New York release reporting list: Arsenic
    Pennsylvania RTK: Arsenic
    Minnesota: Arsenic
    Michigan critical material: Arsenic
    Massachusetts RTK: Arsenic
    Massachusetts spill list: Arsenic
    New Jersey: Arsenic
    New Jersey spill list: Arsenic
    Louisiana spill reporting: Arsenic
    California Director's List of Hazardous Substances: Arsenic
    TSCA 8(b) inventory: Arsenic
    SARA 313 toxic chemical notification and release reporting: Arsenic
    CERCLA: Hazardous substances.: Arsenic: 1 lbs. (0.4536 kg)
    California        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: Arsenic
    Proposition 65
    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.
    Other Regulations
    OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).
    EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances (EINECS
    No. 231-148-6).
    Canada: Listed on Canadian Domestic Substance List (DSL).
    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).
    DSCL (EEC)        R23/25- Toxic by inhalation and if        S28- After contact with skin, wash    
    swallowed.        immediately with plenty of water.    
    R50/53- Very toxic to aquatic        S45- In case of accident or if you feel unwell,    
    organisms, may cause long-term        seek medical advice immediately (show the    
    adverse effects in the aquatic        label where possible).    
    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.)        3 National Fire Protection    
    1 Flammability
    1 Association (U.S.A.)
    Fire Hazard
    3 0 Reactivity
    Specific hazard
    Personal Protection
    WHMIS (Canada)
    DSCL (Europe)
    TDG (Canada)
    ADR (Europe)
    Protective Equipment
    Lab coat.
    Dust respirator. Be sure to use an
    approved/certified respirator or
    equivalent. Wear appropriate
    respirator when ventilation is


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