UREA CRYSTALS ACS

Safety Data Sheet
Emergency Telephone Number: CHEMTREC 1-800-424-9300	For Information call: DUDLEY 732-886-3100       
     DUDLEY CORPORATION        
          	     125 Kenyon Drive	
            Lakewood, New Jersey 08701
Effective Date: January 1, 2025
1. PRODUCT: Syn: Carbamide resin; Carbamimidic acid; Carbonyl diamide; Carbonyldiamine; Isourea 	
CAS No.:  57-13-6   EC-No.: 200-315-5 Weight:  60.06  Formula:  NH2CONH2

2.HAZARDS ID: GHS: Not a hazardous substance or mixture.
HMIS Classification: Health hazard  0, Flammability   0,  Physical hazards   0			
NFPA Rating: Health hazard  0, Fire     0, Reactivity hazard   0

Potential Health Effects: Eye: Risk of serious damage to eyes.	Skin: Harmful in contact with skin. 
Ingestion:  May be harmful if swallowed. 		Inhalation: May be harmful by inhalation. 
2.3: Other Hazards: none

3. COMPOSITION, INGREDIENTS:
Chemical Name 			CAS No.		Percent		Hazardous
Urea 				57-13-6		  ca.100 		    No

4. FIRST AID: Eyes: Rinse with plenty of water. Skin:. Rinse with plenty of soap & water. Ingestion: Do not induce vomiting without medical advice. Rinse with water. Inhalation: Move to fresh air.  Physician: Treat symptomatically and supportively. 

5. FIRE FIGHTING: Info: Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH, & full protective gear. Water mist may be used to cool closed containers. Extinguishing: Use dry chemical, CO2, water spray or alcohol resistant foam.  Hazards:  Carbon oxides, nitrogen oxides.

6. ACCIDENTAL RELEASE: Info: Use proper PPE as indicated in Section 8. Spills: Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. 

7. HANDLING & STORAGE: Handling: Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. 
Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatibles.
   
8. EXPOSURE, PPE: Facilities storing or utilizing this material should be equipped with an eyewash facility and safety shower. Use adequate ventilation to keep airborne concentrations low.
Chemical Name				ACGIH		NIOSH		OSHA – Final/Vacated PEL’s
Urea 					None listed	None listed	None listed

PPE: Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA’s eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. 
Skin: Wear appropriate protective gloves to prevent skin exposure. 0.11 mm thick nitrile. 
Clothing: Wear appropriate protective clothing to prevent skin exposure. 
Respirators: Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary. 

9. PHYSICAL & CHEM: Appearance: White crystals/powder. Odor: Ammonia-like Melting Pt: 132-135°C pH: 7.5-9.5 at 480g/l Vapor Pressure: 0.009hPa @20C Partition coefficient: n-octanol/water: log POW -2.59—1.59  Density Bulk: 700-800kg/m3 Solubility: 480 g/l at 20°C Density:  1.335g/cm3

10. STABILITY & REACTIVITY: Stability: Stable at room temp in closed containers under normal storage and handling conditions. Avoid: Incompatibles, dust generation, excess heat. Incompatibilities: Strong oxidizing agents, sodium hypochlorite, sodium nitrate, calcium hypochlorite, nitrosyl perchlorate, gallium perchlorate, diphosphorus pentachloride. Hazardous Decomp Products: see section 5

11. TOXICOLOGICAL INFO: RTECS: YR6250000 LD50 Oral, rat:  8471 mg/kg:
Carcinogenicity: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. 

12. ECOLOGICAL INFO: EC50-Water flea-3,910 mg/l-48h  Guppy-17,500mg/l-96h

13. DISPOSAL CONSIDERATIONS: Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification. RCRA P-Series: None listed. RCRA U-Series: None listed. 

14. TRANSPORT INFO: Not regulated.

15. REGULATORY INFO: SARA 311/312: None
SARA Section 302 Extremely Hazardous Substances None of the chemicals in this product have a TPQ.
Section 313 No chemicals are reportable under Section 313. 
STATE CAS#57-13-6 is not present on state lists from CA, MN, MA, FL. 
Pa Right to Know: Urea CAS#57-13-6    NJ Right to Know: Urea CAS#57-13-6
California Prop.65 components: None of the chemicals are known to cause cancer, birth defects, or any other reproductive harm.

EUROPEAN/INTERNATIONAL REGULATIONS European Labeling in Accordance with EC Directives 
Hazardous Symbols: Not available	WGK (Water Danger/Protection) CAS# 57-13-6:  1 
Canada - DSL/NDSLCAS# 57-13-6 is listed on Canada’s DSL List. 
Canada - WHMIS This product has a WHMIS classification of D2A, D2B.
CAS# 57-13-6 is not listed on Canada’s Ingredient Disclosure List. 

16. DISCLAIMER INFO: DUDLEY CORPORATION provides the information herein in good faith but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this.  Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose. DUDLEY CORPORATION makes no representations or warranties, either expressed or implied, including without limitation and warranties of merchantability, fitness for a particular purpose with respect to the information set forth herein or to the product to which the information refers. Accordingly, DUDLEY CORPORATION will not be responsible for damages resulting from the use of or reliance upon this information.