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1、Material Safety Data SheetUrea MSDSSection 1: Chemical Product and Company IdentificationProduct Name: UreaCAS#: 57-13-6RTECS: YR6250000TSCA: TSCA 8(b) inventory: UreaSynonym: CarbamideChemical Name: carbonyldiamideChemical Formula: (NH2)2CO or CH4N2OSection 2: Composition and Information on Ingredi
2、ents Composition:Name CAS # % by WeightUrea 57-13-6 100Toxicological Data on Ingredients: Urea: ORAL (LD50): Acute: 8471 mg/kg Rat. 11000 mg/kg Mouse.Section 3: Hazards IdentificationPotential Acute Health Effects: Hazardous in case of skin contact (irritant), of eye contact (irritant), of ingestion
3、, of inhalation.Potential Chronic Health Effects:CARCINOGENIC EFFECTS: Not available.MUTAGENIC EFFECTS: Mutagenic for mammalian somatic cells.TERATOGENIC EFFECTS: Not available.DEVELOPMENTAL TOXICITY: Not available.The substance may be toxic to blood, cardiovascular system.Repeated or prolonged expo
4、sure to the substance can produce target organs damage.Section 4: First Aid MeasuresEye Contact:Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for atleast 15 minutes. Cold water may be used. Get medical attention.Skin Contact:In case of conta
5、ct, immediately flush skin with plenty of water. Cover the irritated skin with an emollient. Removecontaminated clothing and shoes. Cold water may be used. Wash clothing before reuse. Thoroughly clean shoesbefore reuse. Get medical attention.Serious Skin Contact:Wash with a disinfectant soap and cov
6、er the contaminated skin with an anti-bacterial cream. Seek medicalattention.Inhalation:If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Getmedical attention.Serious Inhalation: Not available.Ingestion: Do NOT induce vomiting unl
7、ess directed to do so by medical personnel. Never give anything by mouth to anunconscious person. Loosen tight clothing such as a collar, tie, belt or waistband. Get medical attention ifsymptoms appear.Serious Ingestion: Not available.Section 5: Fire and Explosion DataFlammability of the Product: Ma
8、y 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 Various Substances: Slightly flammable
9、to flammable in presence of heat.Explosion Hazards in Presence of Various Substances: 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.Fire Fighting Media and Instructions:SMALL FIRE: Us
10、e DRY chemical powder.LARGE FIRE: Use water spray, fog or foam. Do not use water jet.Special Remarks on Fire Hazards: Not available.Special Remarks on Explosion Hazards: Not available.Section 6: Accidental Release MeasuresSmall Spill: Use appropriate tools to put the spilled solid in a convenient wa
11、ste disposal container. Finish cleaning byspreading water on the contaminated surface and dispose of according to local and regional authorityrequirements.Large Spill: Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated
12、surface and allow to evacuate through the sanitary system.Section 7: Handling and StoragePrecautions:Keep locked up. 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 in
13、gest. Do notbreathe dust. Wear suitable protective clothing. In case of insufficient ventilation, wear suitable respiratoryequipment. If ingested, seek medical advice immediately and show the container or the label. Avoid contact withskin and eyes. Keep away from incompatibles such as oxidizing agen
14、ts.Storage: Keep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above 23C (73.4F).Section 8: Exposure Controls/Personal ProtectionEngineering Controls:Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels belo
15、wrecommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure toairborne contaminants below the exposure limit.Personal Protection: Splash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent.Gloves.Persona
16、l Protection in Case of a Large Spill: 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 handling this product.Exposure Limits: Not available.Section 9: Physical and Chemical PropertiesPhysical state and appearance: Solid. (Crystals solid.)Odor: Almost odorless; May gradually develop slight odor of a
