1. IDENTIFICATION
Product name: Uranyl Formate Monohydrate
Synonyms: Uranyl formate
Chemical formula: UO₂(HCOO)₂·H₂O
CAS number: 16984-59-1
Recommended use: Laboratory chemical; research and manufacture of substances
Restrictions on use: For professional use only
Supplier:
International Bio-Analytical Industries, Inc.
3495 N. Dixie Hwy., Unit 8
Boca Raton, FL 33431 USA
Tel: +1 561-826-0061
Fax: +1 561-892-8450
Emergency telephone:
INFOTRAC (USA & Canada): +1-800-535-5053
INFOTRAC (International): +1-352-323-3500
2. HAZARD(S) IDENTIFICATION
Classification (OSHA HCS 2012 / GHS):
Acute toxicity (oral), Category 2 (H300)
Acute toxicity (inhalation), Category 2 (H330)
Specific target organ toxicity – repeated exposure, Category 2 (H373)
Hazardous to the aquatic environment, acute, Category 2 (H401)
Hazardous to the aquatic environment, chronic, Category 2 (H411)
GHS Label Elements, Including Precautionary Statements
Pictogram
Signal word: Danger
Hazard statements:
H300 + H330 Fatal if swallowed or if inhaled.
H373 May cause damage to organs through prolonged or repeated exposure.
H411 Toxic to aquatic life with long lasting effects.
Precautionary statements:
P260 Do not breathe dust, fumes, vapors, or mist.
P264 Wash 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 or physician.
P304 + P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
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 and container in accordance with local, state, and federal regulations.
Hazards not otherwise classified: Radioactive material.
3. COMPOSITION/INFORMATION ON INGREDIENTS
Component: Uranyl formate monohydrate
CAS No.: 16984-59-1
Concentration: ≥ 99%
Classification: Acute Tox. 2 (Oral, Inhalation); STOT RE 2; Aquatic Acute 2; Aquatic Chronic 2
4. FIRST-AID MEASURES
General advice: Seek medical attention immediately. Show this SDS to medical personnel.
Inhalation: Move person to fresh air. If breathing has stopped, give artificial respiration. Seek immediate medical attention.
Skin contact: Wash immediately with soap and plenty of water. Remove contaminated clothing. Seek medical attention.
Eye contact: Rinse cautiously with water for at least 15 minutes. Remove contact lenses if present. Seek medical attention.
Ingestion: Rinse mouth. Do not induce vomiting. Never give anything by mouth to an unconscious person. Seek immediate medical attention.
Most important symptoms/effects: Severe toxicity; organ damage from repeated exposure; delayed symptoms possible.
5. FIRE-FIGHTING MEASURES
Suitable extinguishing media: Water spray, dry chemical, carbon dioxide, or alcohol-resistant foam.
Specific hazards: Decomposition may produce uranium oxides and carbon oxides.
Protective equipment: Firefighters must wear self-contained breathing apparatus and full protective gear.
6. ACCIDENTAL RELEASE MEASURES
Personal precautions: Evacuate area. Wear appropriate respiratory and protective equipment. Avoid dust generation.
Environmental precautions: Prevent release to drains, surface waters, and soil.
Cleanup methods: Collect material without creating dust. Place in sealed, labeled containers for disposal.
7. HANDLING AND STORAGE
Handling: Avoid contact with skin and eyes. Avoid inhalation of dust or aerosols. Use appropriate ventilation.
Storage: Store locked up in a tightly closed container in a dry, well-ventilated area. Protect from incompatible materials.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Exposure limits (as uranium):
ACGIH TLV (TWA): 0.2 mg/m³
OSHA PEL (TWA): 0.05 mg/m³
NIOSH REL (TWA): 0.05 mg/m³
Engineering controls: Use local exhaust ventilation.
Personal protective equipment:
Eye protection: Safety glasses and face shield.
Skin protection: Chemical-resistant gloves (nitrile) and protective clothing.
Respiratory protection: NIOSH-approved full-face respirator with P100/N100 cartridges or supplied-air respirator.
Full and Splash Contact
Material: Nitrile rubber.
Minimum layer thickness: 0.11 mm.
Break-through time: 480 min.
9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance: Yellow crystalline solid
Molecular weight: 378.08 g/mol
Density: ~2.89 g/cm³
Solubility: Soluble in water
Decomposition temperature: ~275 °C
Odor: Odorless
10. STABILITY AND REACTIVITY
Stability: Stable under recommended storage conditions.
Incompatible materials: Strong oxidizing agents.
Hazardous decomposition products: Uranium oxides, carbon oxides.
11. TOXICOLOGICAL INFORMATION
Acute toxicity: LD₅₀ (oral, rat): ~204 mg/kg
Chronic effects: May cause organ damage through prolonged or repeated exposure. Contains radioactive uranium compound.
Carcinogenicity: Not listed by IARC, NTP, or OSHA; radioactive hazard present.
12. ECOLOGICAL INFORMATION
Toxic to aquatic organisms with long-lasting effects. Avoid environmental release.
13. DISPOSAL CONSIDERATIONS
Dispose of contents and container through a licensed hazardous and radioactive waste disposal contractor in accordance with applicable regulations.
14. TRANSPORT INFORMATION
Transport classification depends on quantity, form, and regulatory jurisdiction. Material may be regulated as radioactive and toxic. Determine shipping requirements prior to transport.
Proper Shipping Name:
Hazard Class:
UN/ID Number: To be determined on a case-by-case basis.
Special Information:
Packing Group:
Due to the various quantities and combinations of materials being shipped at one time, the information above must be determined based on the characteristics of the specific shipment.
15. REGULATORY INFORMATION
OSHA Hazard Communication: Hazardous
SARA 311/312: Acute and chronic health hazard
State Right-to-Know: Listed (MA, PA, NJ)
16. OTHER INFORMATION
HMIS: Health 3*, Flammability 0, Physical Hazard 0
NFPA: Health 4, Fire 0, Reactivity 0
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 that recipients of its materials comply with 29 CFR 1910.1200(h), which mandates that employers provide employees with effective information and training regarding 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: 02/05/2026
