FLINN SCIENTIFIC INC. "Your Safer Source for Science Supplies" MSDS #: 839.10 Revision Date: March 12, 2001 Material Safety Data Sheet (MSDS) Section 1 — Chemical Product and Company Identification Uranyl Nitrate Flinn Scientific, Inc. P.O. Box 219 Batavia, IL 60510 (800) 452-1261 CHEMTREC Emergency Phone Number: (800) 424-9300 Section 2 — Composition, Information on Ingredients Uranyl Nitrate Synonym: uranium oxynitrate CAS#: 10102-06-4 Section 3 — Hazards Identification Yellow rhombic crystals. Odorless. FLINN AT-A-GLANCE This material is only slightly radioactive ( less than 1.1 microcuries per gram), while this material is not Health-3 regulated because of the package size, handle with care. Flammability-0 Toxic by ingestion and inhalation. Corrosive to body tissues. Avoid all body tissue contact. Reactivity-3 Strong oxidizer. Exposure-3 Storage-0 0 is low hazard, 3 is high hazard Section 4 — First Aid Measures Call a physician, seek medical attention for further treatment, observation and support after first aid. Inhalation: Remove to fresh air at once. If breathing has stopped give artificial respiration immediately. Eye: Immediately flush with fresh water for 15 minutes. External: Wash continuously with fresh water for 15 minutes. Internal: Rinse out mouth, give 1 to 2 cups of water or milk, induce vomiting. After vomiting, give mixture of 2 Tbs. of activated charcoal mixed with one cup of water. Call a physician or poison control at once. Section 5 — Fire Fighting Measures Non flammable solid. NFPA CODE When heated to decomposition, emits toxic fumes of NOx and uranium. None established Strong oxidizer. Fire and explosion risk when in contact with combustible materials.. Fire Fighting Instructions: Use triclass, dry chemical fire extinguisher. Firefighters should wear PPE and SCBA with full facepiece operated in positive pressure mode. Section 6 — Accidental Release Measures Restrict unprotected personnel from area. Sweep up, place in sealed bag or container and dispose. Ventilate area and wash spill site after material pickup is complete. See Sections 8 and 13 for further information. Section 7 — Handling and Storage Flinn Suggested Chemical Storage Pattern: Inorganic #3. Store with amides, nitrates and nitrites. Section 8 — Exposure Controls , Personal Protection Avoid contact with eyes, skin and clothing. Wear chemical splash goggles, chemical-resistant gloves and chemical-resistant apron. Use ventilation to keep airborne concentrations below exposure limits. Always wear a NIOSH-approved respirator with proper cartridges or a positive pressure, air-supplied respirator when handling this material in emergency situations (spill or fire). Exposure guidelines: TWA 50 mg/m3 (OSHA) © 2002 Flinn Scientific, Inc. All Rights Reserved. PAGE 1 OF 2 FLINN SCIENTIFIC INC. Uranyl Nitrate "Your Safer Source for Science Supplies" MSDS #: 839.10 Material Safety Data Sheet (MSDS) Revision Date: March 12, 2001 Section 9 — Physical and Chemical Properties Yellow rhombic crystals. Odorless. Specific Gravity: 2.807 Solubility: Water and alcohol. Melting Point: 60.2 C Formula: UO2(NO3)2 6H2O Boiling Point: 118 C Formula Weight: 502.13 Section 10 — Stability and Reactivity Avoid contact with strong reducing agents and combustible materials. Shelf Life: Indefinite. Section 11 — Toxicological Information Acute effects: Poison, corrosive ORL-DOG LDLO: 12 mg/kg Chronic effects: N.A. IHL-RAT LC50: N.A. Target organs: Kidney, skin SKN-RBT LD50: N.A. N.A. = Not available, not all health aspects of this substance have been fully investigated. Section 12 — Ecological Information Data not yet available. Section 13 — Disposal Considerations Please consult with state and local regulations. Flinn Suggested Disposal Method #26a is one option. Section 14 — Transport Information Shipping Name: Uranyl Nitrate, solid Hazard Class: 7, Radioactive, Oxidizer UN Number: UN2981 N/A = Not applicable Section 15 — Regulatory Information TSCA-listed. Section 16 — Other Information Consult your copy of the Flinn Scientific Catalog/Reference Manual for additional information about laboratory chemicals. This Material Safety Data Sheet (MSDS) is for guidance and is based upon information and tests believed to be reliable. Flinn Scientific Inc. makes no guarantee of the accuracy or completeness of the data and shall not be liable for any damages relating thereto. The data is offered solely for your consideration, investigation, and verification. Flinn Scientific Inc. assumes no legal responsibility for use or reliance upon this data. FLINN SCIENTIFIC INC. "Your Safer Source for Science Supplies" Need a Chemical Fast? - Order from Flinn flinn@flinnsci.com www.flinnsci.com P.O. Box 219 Batavia IL 60510 (800) 452-1261 Fax (866) 452-1436 PAGE 2 OF 2 © 2002 Flinn Scientific, Inc. All Rights Reserved.