urea

Synonym
Chemical Name
Chemical Family
Urea Hydrochloride

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Section 4. First Aid Measures
Eye ContactCheck 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 ContactIn 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 ContactWash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek medical
attention.
InhalationIf inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get
medical attention.
Serious InhalationNot available.
IngestionDo 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 IngestionNot available.

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Section 5. Fire and Explosion Data
Flammability of the Product May be combustible at high temperature.
Auto-Ignition Temperature Not available.
Flash PointsNot available.
Flammable LimitsNot available.
Products of CombustionThese products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...).
Fire Hazards in Presence of Slightly flammable to flammable in presence of heat.
Various SubstancesNon-flammable in presence of shocks.
Explosion Hazards in Presence Slightly explosive in presence of open flames and sparks.
of Various SubstancesNon-explosive in presence of shocks.
Fire Fighting MediaSMALL FIRE: Use DRY chemical powder.
and InstructionsLARGE FIRE: Use water spray, fog or foam. Do not use water jet.
Special Remarks onWhen heated to decomposition it emits toxic and irritating fumes of Hydrogen chloride, carbon monoxide, carbon
Fire Hazardsdioxide, 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
Hazardsexplosion hazard.

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Section 6. Accidental Release Measures
Small SpillUse 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 SpillUse 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

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Section 7. Handling and Storage
PrecautionsKeep 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.
StorageKeep container tightly closed. Keep container in a cool, well-ventilated area.

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Section 8. Exposure Controls/Personal Protection
Engineering ControlsUse 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 ProtectionSplash 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 Spillto avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist
BEFORE handling this product.
Exposure LimitsNot available.

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Section 9. Physical and Chemical Properties
Physical state and appearance Solid. (Powdered solid.)OdorOdorless.
Not available.
Taste
Molecular Weight96.52 g/mole
Yellowish. White.
Color
Not available.
pH (1% soln/water)
Boiling PointNot available.
Decomposition temperature: >185°C (365°F)
Melting Point
Critical TemperatureNot available.
Specific GravityNot available.
Vapor PressureNot applicable.
Vapor DensityNot available.
Not available.
Volatility
Odor ThresholdNot available.
Water/Oil Dist. Coeff.Not available.
Ionicity (in Water)Not available.
Dispersion PropertiesSee solubility in water.
SolubilityEasily soluble in cold water, hot water.

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Section 10. Stability and Reactivity Data
StabilityThe product is stable.
Instability TemperatureNot available.
Conditions of InstabilityExcess heat, dust generation, incompatible materials, moisture
Incompatibility with various Reactive with oxidizing agents, alkalis.
substances
Urea Hydrochloride
CorrosivityNot available.
Special Remarks onIncompatible with strong alkali, hypochlorites (chlorine bleach), oxidizers.
ReactivityHeating 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
PolymerizationWill not occur.

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Section 11. Toxicological Information
Routes of EntryInhalation. Ingestion.
Toxicity to AnimalsLD50: 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 onNot available.
Toxicity to Animals
Special Remarks on
May cause adverse reproductive effects based on animal test data
Chronic Effects on Humans
Special Remarks on otherAcute Potential Health Effects:
Toxic Effects on HumansSkin: 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.

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

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

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

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Section 15. Other Regulatory Information and Pictograms
TSCA 8(b) inventory: Urea Hydrochloride
Federal and State
Regulations
California
Proposition 65
Warnings
Other RegulationsEINECS: 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.

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SECTION 16 - ADDITIONAL INFORMATION
N/A