Material Safety Data Sheet
Urea
Identification of the substance/preparation and of the company
Product Name: Urea
Product Description: Nitrogen-containing organic compound
Synonyms: Carbamide, Carbonyl Diamide
Company Identification: SPL International
6 Prenton Way
North Cheshire Trading Estate
Prenton
Wirral
Cheshire
CH43 3DU
United Kingdom
.
Tel: +44 (0) 151 609 0077
Fax: +44 (0) 151 609 0088
Composition/Information on substance
Chemical Composition: Urea (>97.5%)
Chemical Formula: CO(NH2)2
CAS No.: 57-13-6
EINECS No.: 200-315-5
Classification: Non hazardous
Risk Phrases: Not applicable
Safety Phrases: Not applicable
Hazard Identification
Inhalation: Mild irritation of the respiratory system may occur.
Ingestion: Mild irritation of gastrointestinal tract may occur.
Eye Contact: Irritation can occur upon contact with eyes. Contact with heated material may cause
thermal burns.
Skin Contact: Repeated or prolonged contact may cause reddening, irritation and inflammation.
Contact with heated material may cause thermal burns.
First Aid Measures
Inhalation: Remove from exposure. In severe cases, or if recovery is not rapid or complete seek
medical attention.
Ingestion: Wash out mouth with water. Do not induce vomiting. If patient is conscious, give water
to drink. If patient feels unwell seek medical attention.
Eye Contact: Irrigate thoroughly with water for at least 10 minutes. Obtain medical attention.
Skin Contact: Rinse with plenty of water. Remove contaminated clothing and wash before reuse.
If irritation persists seek medical attention.
Fire Fighting Measures
Fire extinguishing media: Use extinguishers suitable to cause of fire.
Special fire fighting procedures: Irritating substances may be emitted upon thermal combustion so self-contained
breathing apparatus will be required.
Material Safety Data Sheet
Urea
Accidental Release Measures
Personal Precautions: Wear suitable protective clothing (see section 8).
Environmental Precautions: Prevent large quantities from contacting vegetation or waterways.
Keep animals away from large spills.
Methods for Cleaning: Vacuum or sweep up and place into approved containers for later disposal.
Handling & Storage
Handling: Avoid contact with eyes. Avoid repeated or prolonged contact with skin or clothing.
Avoid dust inhalation. Wear suitable protective clothing.
Storage: Store under cool dry conditions.
Exposure Controls/Personal Protection
Exposure Limits: 15mg/m3 inhalable dust fraction limit applies.
Personal Protection:
Respiratory Protection: Normally not required. Wear dust mask if large quantities of dust are generated.
Hand Protection: Gloves.
Eye Protection: Safety glasses.
Skin Protection: Overalls.
Physical & Chemical Properties
Appearance: White prills / granules.
Odour: Very slight, ammoniacal.
Flammability: Non-flammable.
Relative Density: 1.335g/cm3
Other information: This product is hygroscopic
Stability & Reactivity
Stability: Stable under normal conditions of handling and storage.
Conditions to Avoid: Moisture.
Materials to Avoid: Strong oxidizers, acids or alkalis, nitrates & hypochlorites.
Hazardous Decomp. Products: Decomposes to ammonia, biuret, nitrogen oxides and carbon oxides.
May react with hypochlorites to form the explosive nitrogen trichloride.
Toxicological Information
Effects on exposure: Irritation can occur upon contact with eyes. Repeated or prolonged contact with skin may
cause reddening, irritation and inflammation. Contact with heated material may cause ther-
mal burns. Mild irritation of the respiratory system may occur upon inhalation. Mild irritation
of gastrointestinal tract may occur upon ingestion.
Human Oral LDLO (mg/kg): No data available.
Rat Oral LD50 (mg/kg): 14300
Carcinogenicity: No evidence of carcinogenic properties.
Mutagenicity: No evidence of mutagenic effects.
Reproductive Effects: None identified.
Material Safety Data Sheet
Urea
Ecological Information
Information about elimination (persistence and degradability):
Biological degradability: This compound is well degradable in water. 4mg/L in 1hr at 20 C.
Zahn-Wellens-Test / 400mg/L: 3hr: 2%, 7d: 52%, 14d: 85%, 16d: 96%.
Aquatic toxicity: EC50: >10000mg/L/24hr (Daphnia magna (Wasserfloh))
LC50: >6810gm/L/96hr (Leuciscus idus (Goldorfe))
Growth inhibition of algae: TGK / 8d / Scenedesmus quadric: >10 000 mg/L
Growth inhibition of bacteria: TGK / 16d / Pseudomonas Putida: >10 000 mg/L
General Notes:
Water hazard class 1 (assessment by list): slightly hazardous.
Do not allow product to reach ground water, water bodies or sewage system.
Disposal Consideration
Dispose of contaminated product and material used in cleaning up spills or leaks in a manner approved for this material. Review
national and local government requirements prior to disposal.
Transport Information
This material is not dangerous goods according to international regulations for transport.
Regulatory Information
No labelling is required for this material by the Chemical (Hazard Information and Packaging for supply) (Amendment) Regula-
tions 1998 (CHIP 98) and corresponding EC directives.
Other Information
NFPA HMIS
SPL International has compiled the information contained in this data sheet to the best of its own knowledge and of
available reliable data.
Since the use of our products is beyond our control, no warranty, guarantee or liability arising from the use of this
information or the products to which the information refers is expressed or implied.
|