SECTION 1. IDENTIFICATION
Product identifier: Uranyl Sulfate Trihydrate
Synonyms: Uranyl sulfate trihydrate; oxygen(2-), uranium sulfate trihydrate; uranium sulfate; uranyl sulfate trihydrate.
Chemical formula: UO₂SO₄·3H₂O (H₆O₉SU)
CAS RN: 22743-80-2
UN number: 2910 — see Section 14 for shipment-specific classification.
CHRIS code: URS
Recommended use: Laboratory chemicals and other authorized professional uses.
Restrictions on use: For trained and authorized professional use only. Handling, possession, storage, use, and transportation are subject to applicable radioactive-material, occupational-safety, hazardous-material, and environmental requirements.
Supplier:
International Bio-Analytical Industries, Inc.
3495 N. Dixie Hwy., Unit #8, Boca Raton, FL 33431
Telephone: 561-826-0061
Fax: 561-892-8450
Emergency telephone:
INFOTRAC
1-800-535-5053 (U.S. & Canada)
+1-352-323-3500 (International)
SECTION 2. HAZARD(S) IDENTIFICATION
Classification under OSHA Hazard Communication Standard, 29 CFR 1910.1200:
Acute toxicity oral, Category 2: H300 Fatal if swallowed.
Acute toxicity inhalation, Category 2: H330 Fatal if inhaled.
Specific target organ toxicity repeated exposure, Category 2: H373 May cause damage to organs through prolonged or repeated exposure.
Acute aquatic toxicity, Category 2: H401 Toxic to aquatic life.
Chronic aquatic toxicity, Category 2: H411 Toxic to aquatic life with long-lasting effects.
Signal word: DANGER
GHS pictograms:
Other hazards not otherwise classified: RADIOACTIVE MATERIAL. Radiological hazards and controls are additional to
OSHA/GHS chemical hazard communication.
Hazard statements:
H300 Fatal if swallowed.
H330 Fatal if inhaled.
H373 May cause damage to organs through prolonged or repeated exposure.
H401 Toxic to aquatic life.
H411 Toxic to aquatic life with long-lasting effects.
Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapors/spray.
P264 Wash skin thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P284 Wear respiratory protection.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P310 Immediately call a POISON CENTER/doctor.
P320 Specific treatment is urgent.
P330 Rinse mouth.
P391 Collect spillage.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P405 Store locked up.
P501 Dispose of contents/container in accordance with applicable regulations.
Reactivity and physical hazard information: The material is soluble in water. Radioactive material, inorganic oxidizing agent. Inorganic oxidizing agents may react with reducing agents, active metals, cyanides, esters, thiocyanates, and other incompatible materials.
SECTION 3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical name: Uranyl Sulfate Trihydrate
CAS RN: 22743-80-2
Concentration: 100%
Formula: UO₂SO₄·3H₂O (H₆O₉SU)
Molecular weight: 420.138 g/mol
The material contains uranium and is radioactive.
SECTION 4. FIRST-AID MEASURES
General advice: Obtain medical attention after significant exposure. Provide this SDS to the medical provider. Move the exposed person away from the source of exposure without placing responders at risk. Consider both chemical toxicity and radiological contamination.
Inhalation: Move the exposed person to fresh air. If breathing is difficult, trained personnel may provide appropriate respiratory support. If not breathing, trained personnel should provide CPR/artificial respiration as appropriate. Obtain immediate medical attention.
Skin contact: Flush affected skin with water and remove contaminated clothing. Wash thoroughly with soap and water. Obtain medical attention after significant exposure. Manage contaminated clothing under applicable radiological-contamination procedures.
Eye contact: Immediately flush eyes with plenty of water for at least 15 minutes, holding eyelids open. Remove contact lenses if easy to do. Obtain medical attention.
Ingestion: Rinse mouth with water if conscious. Do not induce vomiting unless directed by medical personnel. Do not give anything by mouth to an unconscious person. Obtain immediate medical attention.
Most important symptoms/effects: Dust may irritate the nose, throat, and eyes. Significant internal uranium exposure may cause systemic toxicity, including kidney injury. Internal radioactive contamination presents an additional radiological hazard.
Indication of immediate medical attention/special treatment: Immediate medical evaluation is recommended following significant ingestion, inhalation, or suspected internal contamination. Specific treatment should be determined by qualified medical and radiation-safety professionals.
SECTION 5. FIRE-FIGHTING MEASURES
Suitable extinguishing media: Water spray, alcohol-resistant foam, dry chemical, or carbon dioxide may be used for the surrounding fire as appropriate to the circumstances and facility emergency procedure.
Specific hazards arising from the chemical: Uranium oxides and carbon oxides are potential fire/decomposition products. Fire, heat, smoke, and firefighting runoff may spread radioactive contamination.
Special protective equipment and precautions for firefighters: Wear positive-pressure SCBA and protective clothing appropriate to the fire. Approach from upwind where possible. Establish radiological controls and notify the Radiation Safety Officer or qualified radiological emergency-response authority.
Additional precautions: Control contaminated firefighting runoff. Avoid actions that unnecessarily aerosolize radioactive material.
SECTION 6. ACCIDENTAL RELEASE MEASURES
Personal precautions: Isolate the area. Avoid breathing dust. Keep unnecessary personnel away. Wear appropriate PPE and follow the facility’s radioactive-material response procedures.
Emergency procedures: Notify the Radiation Safety Officer/radiological response authority. Assess airborne and surface contamination before cleanup.
Environmental precautions: Prevent material from entering drains, soil, surface water, or groundwater. Prevent further leakage or spillage if safe to do so.
Methods and materials for containment and cleaning up: Cleanup should be performed by trained personnel using approved radioactive contamination control methods. Avoid generating airborne dust. Do not use compressed air. Collect recovered material and contaminated cleanup media into properly controlled, closed containers for radioactive-waste management.
Reference to other sections: See Section 8 for exposure controls and Section 13 for disposal considerations.
SECTION 7. HANDLING AND STORAGE
Precautions for safe handling: Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Provide appropriate local exhaust/process ventilation where dust can be formed. Wash hands before breaks and immediately after handling.
Radiological controls: Handle only in controlled areas by trained and authorized personnel. Apply the facility’s radioactive-material handling procedures, contamination controls, surveys, dosimetry, and access restrictions as applicable.
Conditions for safe storage: Keep the container tightly closed in a dry, well-ventilated, secure area. Store in a designated radioactive-material area and keep locked up where required.
Incompatibilities: Avoid reducing agents, active metals, cyanides, esters, thiocyanates, and other incompatible materials identified by validated compatibility procedures—inorganic oxidizing agent.
Specific end uses: No specific end uses other than authorized laboratory and professional uses have been identified.
SECTION 8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Occupational exposure limits: IDLH value of 10.0 mg/m³ as U for soluble uranium compounds
OSHA/NIOSH uranium exposure basis: For soluble uranium compounds, the applicable occupational exposure limit should be verified against the current OSHA/NIOSH requirements and the facility’s radiological-protection program. The chemical PEL and radiological dose limits are separate controls.
Appropriate engineering controls: Use local exhaust ventilation, process enclosure, glovebox, or other containment capable of controlling airborne uranium-containing dust. Maintain appropriate radiological contamination controls and monitoring.
Eye/face protection: Use a face shield and safety glasses appropriate to the operation and corrosive/particle hazards.
Skin protection: Handle with protective gloves. Inspect gloves before use, use appropriate removal technique, dispose of contaminated gloves under applicable requirements, and wash/dry hands after handling.
Glove information: Nitrile rubber for full and splash contact, minimum layer thickness 0.11 mm, with a reported breakthrough time of 480 minutes for the tested Dermatril® material. This information is advisory and must be verified for the actual concentration, temperature, exposure conditions, and use.
Body protection: Wear protective clothing or a complete chemical-protective suit as required by the concentration and amount handled. Use radiological protective clothing where required by the facility program.
Respiratory protection: Use respiratory protection under a compliant written respiratory-protection program when engineering controls are insufficient or during authorized emergency response. A full-face particulate respirator may be appropriate for controlled exposures; respirator selection must be based on airborne concentration and radiological requirements. For IDLH conditions, use positive-pressure SCBA or an appropriate supplied-air respirator with auxiliary SCBA.
Environmental exposure controls: Prevent leakage or spillage. Do not allow the product to enter drains. Avoid uncontrolled environmental release.
SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES
Physical state: Solid.
Appearance/color: Odorless yellow-green solid.
Odor: Odorless.
Odor threshold: Odor threshold: Not applicable to an odorless solid.
Melting point/freezing point: Decomposes; no normal melting point established.
Initial boiling point/boiling range: No data available; decomposition is expected before normal boiling.
Flammability: Not classified as a flammable solid.
Lower/upper flammability or explosive limits: Not applicable / no data available.
Flash point: Not applicable to an inorganic solid.
Auto-ignition temperature: No data available.
Decomposition temperature: No product-specific value established.
Solubility in water: Soluble in water.
Partition coefficient n-octanol/water: No data available.
Vapor pressure: No data available; negligible vapor pressure is expected for this nonvolatile inorganic solid.
Relative density: 3.28 g/cm³ at approximately 68 °F.
Relative vapor density: Not applicable to a nonvolatile solid.
Molecular weight: 420.138 g/mol.
SECTION 10. STABILITY AND REACTIVITY
Reactivity: Can react with reducing agents, active metals, cyanides, esters, thiocyanates, and other incompatible substances.
Chemical stability: No specific instability under recommended storage conditions.
Possibility of hazardous reactions: Reactions with reducing agents or other incompatible materials may generate heat and potentially gaseous products. Under some conditions, such reactions can be rapid or explosive.
Conditions to avoid: Excessive heat, unnecessary dust generation, contamination, and contact with incompatible materials.
Incompatible materials: Reducing agents, active metals, cyanides, esters, thiocyanates, and other incompatible materials.
Hazardous decomposition products: Uranium oxides and carbon oxides under fire/thermal decomposition conditions.
Hazardous polymerization: No hazardous polymerization is expected under normal conditions.
SECTION 11. TOXICOLOGICAL INFORMATION
Likely routes of exposure: Inhalation of dust, ingestion, skin contact, and eye contact. Internal radioactive contamination is an additional concern.
Acute toxicity: Acute Toxicity Category 2 by oral and inhalation routes.
Skin corrosion/irritation: May cause eye irritation and respiratory irritation.
Serious eye damage/eye irritation: Dust/contact may irritate the eyes. Avoid contact and obtain medical attention after significant exposure.
Respiratory or skin sensitization: No product-specific data available.
Germ cell mutagenicity: No product-specific GHS classification data available. Ionizing radiation from radioactive uranium can damage genetic material at sufficient dose.
Carcinogenicity: Radiological exposure is a separate potential cancer hazard; risk depends on isotope, activity, exposure pathway, and dose.
Specific target organ toxicity / repeated exposure: Category 2. Significant uranium exposure can affect the kidneys and other organs depending on dose and route.
SECTION 12. ECOLOGICAL INFORMATION
Ecotoxicity: Acute Aquatic Toxicity Category 2 and Chronic Aquatic Toxicity Category 2, and assigns H401/H411.
Persistence and degradability: No data available.
Bioaccumulative potential: No data available.
Mobility in soil: No product-specific data available.
Other adverse effects: Radioactive properties and chemical toxicity may present environmental concerns. Avoid uncontrolled release.
SECTION 13. DISPOSAL CONSIDERATIONS
Product: Manage uranyl sulfate trihydrate and uranium-contaminated material in accordance with the applicable radioactive-material license, NRC/Agreement State requirements, Federal/state/local hazardous-waste requirements, and facility radioactive-waste procedures.
Waste treatment: Do not discharge into drains, soil, surface water, or groundwater. Do not place in ordinary trash. Waste treatment and final disposition must be determined by authorized radioactive-waste and EHS personnel.
Contaminated packaging: Manage as radioactive-contaminated material unless formally surveyed and released under an authorized procedure.
SECTION 14. TRANSPORT INFORMATION
U.S. DOT, IATA, ICAO, and IMDG requirements may apply.
UN number: UN 2910. The applicable proper shipping name and conditions of use must be confirmed against the current transport regulations and actual shipment.
Proper shipping name: Radioactive Material, Excepted Package — Limited Quantity of Material, or the applicable current UN 2910 entry, as determined by the qualified dangerous-goods/radioactive-material shipper.
Hazard class: Class 7 — Radioactive, where regulated as radioactive material.
Packing group: Not assigned to Class 7 radioactive material.
Special precautions: Radioactive-material packaging, marking, labeling, package surveys, shipping papers, and carrier requirements must be satisfied before shipment. Classification must be verified shipment-by-shipment based on isotope, specific activity, quantity, package, and applicable exceptions.
SECTION 15. REGULATORY INFORMATION
OSHA: 29 CFR 1910.1200 Hazard Communication Standard applies to the chemical hazard communication requirements for covered workplaces.
Radiological requirements: Applicable NRC or Agreement State radioactive-material requirements, including applicable dose, contamination, licensing, and handling controls, must be followed.
U.S. DOT: 49 CFR Parts 171–180 apply to regulated hazardous-material transportation.
EPCRA/SARA: The material is not regulated under SARA 302, SARA 304, or TRI/EPCRA 313
No RCRA chemical code.
California Proposition 65: Verify current applicability before distribution in California.
SECTION 16: OTHER INFORMATION
Copyright © 2015 International Bio-Analytical Industries, Inc.
Permission is granted to make unlimited paper copies for internal use only.
International Bio-Analytical Industries, Inc. requires recipients of its materials to comply with 29 CFR 1910.1200(h), which mandates that employers provide employees with effective information and training on hazardous chemicals present in the workplace.
The information contained in this Safety Data Sheet is believed to be accurate as of the date of revision and is provided in good faith. However, this information is intended to serve as a guide only, and recipients are encouraged to exercise independent judgment regarding its accuracy, completeness, and suitability for their specific applications. International Bio-Analytical Industries, Inc., shall not be held liable for any direct or indirect damage resulting from the use of this information.
International Bio-Analytical Industries, Inc. makes no warranties, express or implied, including, but not limited to, warranties of merchantability or fitness for a particular purpose. This information is provided without warranty, and any use of the product that does not conform to this Safety Data Sheet, or that is used in combination with any other product or process, is the sole responsibility of the user.
Revision Date: 03/26/2026
