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hydralazine hydrochloride 304-20-1 MSDS

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

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. 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
    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.
    Evacuate the victim to a safe area as soon as possible. Loosen tight clothing such as a collar, tie, belt or waistband.
    Serious Inhalation
    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
    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 Not available.
    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
    Fire Fighting Media
    Do not fight fire. Evacuate surrounding areas.
    and Instructions
    Material in powder form, capable of creating a dust explosion. As with most organic solids, fire is possible at elevated
    Special Remarks on
    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

Section 6. Accidental Release Measures
    Use appropriate tools to put the spilled solid in a convenient waste disposal container.
    Small Spill
    Explosive. Explosive, class 1.4.
    Large Spill
    Stop leak if without risk. Do not touch damaged container or spilled material. Do not clean-up or dispose except
    under supervision of a specialist. Do not operate radio transmitters within 100 m of an electric detonator. Eliminate
    all ignition sources.
    Hydralazine HCl

Section 7. Handling and Storage
    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. If ingested, seek medical advice immediately and
    show the container or the label.
    Store in a segregated, approved and labeled area. Keep container in a cool, well-ventilated area. Keep container
    tightly closed and sealed until ready for use. Avoid all possible sources of ignition (spark or flame).

Section 8. Exposure Controls/Personal Protection
    Use explosion-proof electrical (ventilating, lighting and material handling) equipment. Use process enclosures, local
    Engineering Controls
    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
    Safety glasses. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves.
    Personal Protection
    Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product.
    Personal Protection in Case Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used to
    of a Large Spill        avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE    
    handling this product.
    Not available.
    Exposure Limits

Section 9. Physical and Chemical Properties
    Solid. (Powdered solid. Crystalline powder.)        Odorless.    
    Physical state and        O dor    
    Not available.
    196.64 g/mole
    Molecular Weight
    White. White to yellowish.
    Not available.
    pH (1% soln/water)
    Not available.
    Boiling Point
    Decomposition temperature: 273°C (523.4°F)
    Melting Point
    Not available.
    Critical Temperature
    Not available.
    Specific Gravity
    Not applicable.
    Vapor Pressure
    Not available.
    Vapor Density
    Not available.
    Not available.
    Odor Threshold
    Not available.
    Water/Oil Dist. Coeff.
    Not available.
    Ionicity (in Water)
    Not available.
    Dispersion Properties
    Soluble in cold water.
    Very slightly soluble in diethyl ether.
    Very slightly soluble in alcohol.
    Solubility in Water: 44.2 g/L @ 25 deg. C.; 30.1 g/L at 15 deg. C.
    Hydralazine HCl

Section 10. Stability and Reactivity Data
    The product is stable.
    Not available.
    Instability Temperature
    Conditions of Instability Not available.
    Incompatibility with various Not available.
    Non-corrosive in presence of glass.
    Not available.
    Special Remarks on
    Not available.
    Special Remarks on
    Will not occur.

Section 11. Toxicological Information
    Inhalation. Ingestion.
    Routes of Entry
    Acute oral toxicity (LD50): 188 mg/kg [Mouse].
    Toxicity to Animals
    Chronic Effects on Humans CARCINOGENIC EFFECTS: 3 (Not classifiable for human.) by IARC.
    MUTAGENIC EFFECTS: Mutagenic for bacteria and/or yeast.
    May cause damage to the following organs: cardiovascular system.
    Other Toxic Effects on        Hazardous in case of ingestion.    
    Slightly hazardous in case of skin contact (irritant), of inhalation.
    Not available.
    Special Remarks on
    Toxicity to Animals
    May cause adverse reproductive effects and birth defects (teratogenic) based on animal test data.
    Special Remarks on
    Chronic Effects on Humans May cause cancer based on animal test data.
    May affect genetic material (mutagenic)
    Acute Potential Health Effects:
    Special Remarks on other
    Skin: May cause skin irritation.
    Toxic Effects on Humans
    Eyes: May cause eye irritation.
    Inhalation: May cause respiratory tract irritation.
    Ingestion: Harmful if swallowed. Causes skin flushing. Affects the cardiovascular system (hypotension, vasodilation,
    tachycardia). Can cause headache and may affect behavior (convulsions, excitement), respiration (respiratory
    Chronic Potential Health Effects:
    Ingestion: Prolonged or repeated ingestion may affect the endrocine system (hyperglycemia), blood (changes in
    serum composition), metabolism as well the cardiovascular system.

Section 12. Ecological Information
    Not available.
    Not available.
    BOD5 and COD
    Products of Biodegradation Possibly hazardous short term degradation products are not likely. However, long term degradation products may
    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
    Hydralazine HCl

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

Section 14. Transport Information
    CLASS 6.1: Poisonous material.
    DO T Cl assi fi cati on
    UNNA: 2811 : Toxic solid, organic, n.o.s.(Hydralazine Hydrochloride) PG: III
    Not available.
    Special Provisions for
    DO T (Pi ctograms)

Section 15. Other Regulatory Information and Pictograms
    TSCA 8(b) inventory: Hydralazine HCl
    Federal and State
    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: No products were found.
    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.
    Canada: Listed on Canadian Non-Domestic Substance List (NDSL).
    China: Not listed on National Inventory.
    Japan: Not listed on National Inventory (ENCS).
    Korea: Not listed on National Inventory (KECI).
    Philippines: Not listed on National Inventory (PICCS).
    Australia: Listed on AICS.
    WHMIS (Canada) CLASS D-1B: Material causing immediate and serious toxic effects (TOXIC).
    Other Classifications
    DSCL (EEC)        R22- Harmful if swallowed.        S46- If swallowed, seek medical advice    
    immediately and show this container or label.
    Health Hazard
    HMIS (U.S.A.)        2 National Fire Protection    
    1 Flammability
    1 Association (U.S.A.)
    Fire Hazard
    2 0 Reactivity
    Specific hazard
    Personal Protection
    WHMIS (Canada)
    DSCL (Europe)
    Hydralazine HCl
    ADR (Europe)
    Protective Equipment
    Lab coat.
    Dust respirator. Be sure to use an
    approved/certified respirator or equivalent.
    Wear appropriate respirator when ventilation
    is inadequate.


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