506-89-8 (尿素,Urea, hydrochloride(1:1))

---

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

---

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. Cold water may be used. Get medical attention.
    Skin Contact        In case of contact, immediately flush skin with plenty of water. Cover the irritated skin with an emollient. Remove    
    contaminated clothing and shoes. Cold water may be used.Wash clothing before reuse. Thoroughly clean shoes
    before reuse. Get medical attention.
    Serious Skin Contact        Wash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek medical    
    attention.
    Inhalation        If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get    
    medical attention.
    Serious Inhalation        Not available.    
    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        These products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...).    
    Fire Hazards in Presence of Slightly flammable to flammable in presence of heat.
    Various Substances        Non-flammable in presence of shocks.    
    Explosion Hazards in Presence Slightly explosive in presence of open flames and sparks.
    of Various Substances        Non-explosive in presence of shocks.    
    Fire Fighting Media        SMALL FIRE: Use DRY chemical powder.    
    and Instructions        LARGE FIRE: Use water spray, fog or foam. Do not use water jet.    
    Special Remarks on        When heated to decomposition it emits toxic and irritating fumes of Hydrogen chloride, carbon monoxide, carbon    
    Fire Hazards        dioxide, nitrogen oxides, and ammonia.    
    As with most organic solids, fire is possible at elevated temperatures.
    Special Remarks on Explosion Fine dust dispersed in air in sufficient concentrations, and in the presences of an ignition source is a potential dust
    Hazards        explosion hazard.    

---

Section 6. Accidental Release Measures
    Small Spill        Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by    
    spreading water on the contaminated surface and dispose of according to local and regional authority
    requirements.
    Large Spill        Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water    
    on the contaminated surface and allow to evacuate through the sanitary system.
    Urea Hydrochloride

---

Section 7. Handling and Storage
    Precautions        Keep away from heat. Keep away from sources of ignition. Empty containers pose a fire risk, evaporate the    
    residue under a fume hood. Ground all equipment containing material. Do not breathe dust. Wear suitable
    protective clothing. In case of insufficient ventilation, wear suitable respiratory equipment. If you feel unwell, seek
    medical attention and show the label when possible. Avoid contact with skin and eyes. Keep away from
    incompatibles such as oxidizing agents, alkalis.
    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        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        Not available.    

---

Section 9. Physical and Chemical Properties
    Physical state and appearance Solid. (Powdered solid.)        Odor        Odorless.    
    Not available.
    Taste
    Molecular Weight        96.52 g/mole    
    Yellowish. White.
    Color
    Not available.
    pH (1% soln/water)
    Boiling Point        Not available.    
    Decomposition temperature: >185°C (365°F)
    Melting Point
    Critical Temperature        Not available.    
    Specific Gravity        Not available.    
    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        See solubility in water.    
    Solubility        Easily soluble in cold water, hot water.    

---

Section 10. Stability and Reactivity Data
    Stability        The product is stable.    
    Instability Temperature        Not available.    
    Conditions of Instability        Excess heat, dust generation, incompatible materials, moisture    
    Incompatibility with various Reactive with oxidizing agents, alkalis.
    substances
    Urea Hydrochloride
    Corrosivity        Not available.    
    Special Remarks on        Incompatible with strong alkali, hypochlorites (chlorine bleach), oxidizers.    
    Reactivity        Heating above 230 F/110 C results in exothermic decomoposition with rapid release of carbon dioxide gas.    
    Hygroscopic; keep container tightly closed.
    Not available.
    Special Remarks on
    Corrosivity
    Polymerization        Will not occur.    

---

Section 11. Toxicological Information
    Routes of Entry        Inhalation. Ingestion.    
    Toxicity to Animals        LD50: Not available.    
    LC50: Not available.
    Chronic Effects on Humans Not available.
    Other Toxic Effects on
    Hazardous in case of skin contact (irritant), of ingestion, of inhalation (lung irritant).
    Humans
    Special Remarks on        Not available.    
    Toxicity to Animals
    Special Remarks on
    May cause adverse reproductive effects based on animal test data
    Chronic Effects on Humans
    Special Remarks on other        Acute Potential Health Effects:    
    Toxic Effects on Humans        Skin: Causes skin irritation.    
    Eyes: Causes eye irritation and severe damage.
    Inhalation: Causes severe irritation to the respiratory tract with sore throat, coughing, shortness of beath, and
    delayed lung edema.
    Ingestion: May be harmful if swallowed. Causes gastrointestinal tract irritation with nausea, vomiting and
    diarrhea.

---

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

---

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

---

Section 14. Transport Information
    DOT Classification        Not a DOT controlled material (United States).    
    Identification        Not applicable.    
    Not applicable.
    Special Provisions for
    Transport
    DOT (Pictograms)

---

Section 15. Other Regulatory Information and Pictograms
    TSCA 8(b) inventory: Urea Hydrochloride
    Federal and State
    Regulations
    California
    Proposition 65
    Warnings
    Other Regulations        EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances.    
    WHMIS (Canada) Not controlled under WHMIS (Canada).
    Other Classifications
    DSCL (EEC)        R36/37/38- Irritating to eyes,        S2- Keep out of the reach of children.    
    respiratory system and skin.        S46- If swallowed, seek medical advice    
    immediately and show this container or label.
    Health Hazard
    HMIS (U.S.A.)        2 National Fire Protection    
    0 Flammability
    1 Association (U.S.A.)
    Fire Hazard
    3 1 Reactivity
    Health
    Reactivity
    0
    Specific hazard
    Personal Protection
    E
    WHMIS (Canada)
    (Pictograms)
    DSCL (Europe)
    (Pictograms)
    TDG (Canada)
    (Pictograms)
    ADR (Europe)
    (Pictograms)
    Protective Equipment
    Urea Hydrochloride
    Gloves.
    Lab coat.
    Dust respirator. Be sure to use an
    approved/certified respirator or
    equivalent.

---

SECTION 16 - ADDITIONAL INFORMATION
N/A