Uranyl Potassium Carbonate SDS

Revision Date: 01/25/2023


Name: Uranyl Carbonate

Formula: UO2CO3·2K2CO3

CAS RN: [13021-32-4]

Identified Uses: Laboratory chemicals, manufacture of substances.


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  • Description: An odorless to chalky smelling orange-yellow sand-like solid in its pure crystalline form.
  • Formula Mass: 606 MW
  • Density: 5.6


Classification of The Substance or Mixture

GHS Classification in accordance with 29 CFR 1910 (OSHA HCS):

Acute toxicity, Oral (Category 2), H300

Acute toxicity, Inhalation (Category 2), H330

Specific target organ toxicity – repeated exposure (Category 2), H373

Acute aquatic toxicity (Category 2), H401

Chronic aquatic toxicity (Category 2), H411

For the full text of the H-Statements mentioned in this section, see section 16.

GHS Label Elements, Including Precautionary Statements


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/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 or a physician.

P304 + P340 If Inhaled: Remove victim to fresh air and keep at rest in a position comfortable for breathing.

P310 Immediately call a Poison Center or a physician.

P320 Specific treatment is urgent (see supplemental first aid instructions on this label).

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 to an approved waste disposal plant.



  • Protect from physical damage.
  • Store at in cool, dry place.
  • Protect personnel from radiation emanation if present.
  • Separate from other readily oxidizable or combustible materials.


  • All chemicals should be considered hazardous.
  • Avoid direct physical contact.
  • Use appropriate, approved safety equipment.
  • Untrained individuals should not handle this chemical or its container.
  • Handling should occur in a chemical fume hood.

Protection: Use approved dust respirator or self-contained breathing apparatus, goggles or face shield, and protective clothing.

Respirators: Use NIOSH/MSHA approved respirator appropriate for exposure of concern.

Smalls spills and leaks:

  • Evacuate area and ventilate.
  • Wear protective equipment.
  • If required, use an inert absorbent.
  • Sweep up and place in an appropriate container for disposal.
  • Wash contaminated surfaces.
  • Prevent further leakage or spillage if safe to do so.
  • Pick up and arrange disposal without creating dust.
  • Avoid breathing dust, vapors, mist, or gas.


  • Can react with reducing agents to generate heat and products that may be gaseous (causing pressurization of closed containers).
  • Can react violently with active metals, cyanides, esters, and thiocyanates.


  • Use appropriate media to suppress exposure fire.
  • Contain runoff.

Extinguishing Media

Suitable extinguishing media: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide.

Special hazards arising from the substance or mixture: Carbon oxides, Uranium oxides.

Advice for firefighters: Wear self-contained breathing apparatus for firefighting if necessary.


Exposure Limits

OSHA: PEL (8 h TWA): 0.05 mg

Exposure Effects: Supra lethal radiation doses may result in headache, acute brain syndrome, alterations in mental status including coma, and (rarely) seizures within minutes of exposure. Prenatal ionizing radiation exposure may cause
congenital anomalies, mental retardation, and an increased incidence of seizures.

Ingestion: Gastrointestinal syndrome (nausea/vomiting) commonly occurs after doses of 9 to 20 gy and may occur following doses as low as 5 gy. Initial vomiting is followed by persistent diarrhea, which may be bloody.

Inhalation: Pulmonary radiation injury may result in radiation pneumonitis and radiation pulmonary fibrosis.

Skin: Thermonuclear burns may occur. If erythema is produced by a penetrating radiation, serious systemic injury is certain.


General advice:

  • Consult a physician.
  • Show this safety data sheet to the doctor in attendance.
  • Move out of dangerous area.


  • If the patient is drowsy or unconscious, do not give anything by mouth.
  • Place patient on the left side with the head down.
  • Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting.
  • If possible, do not leave the patient unattended.


  • Monitoring exposed patients for contamination and decontamination procedures should be started.
  • All personnel involved in handling patients should wear disposable protective clothing.
  • The patient should be completely undressed and given a soap and water bath or shower (if the patient’s
    condition permits and if the facility exists).
  • Acute inhalation of radionuclides presents some difficult problems.


  • Remove contaminated clothing.
  • Wash exposed area with soap and water.
  • If symptoms persist, seek medical attention.
  • Launder clothing before reuse.


  • If symptoms develop, immediately move individual away from exposure and into fresh air.
  • Flush eyes gently with water for at least 15 minutes while holding eyelids apart.



Uranium potassium carbonate

Systematic name: Uranium potassium carbonate

The U.S. Department of Transportation (D.O.T.) Code of Federal Regulations (49 CFR Parts 100-185), the International Air Transportation Association (IATA), International Civil Aviation Organization (ICAO), and International Maritime Organization (IMDG) are all factored into the classification and transport of material.

Proper Shipping Name:

Hazard Class:

UN/ID Number:                                          To be determined on a case-by-case basis.

Special Information:

Packing Group:

Classification of substances with multiple hazards must be determined in accordance with the criteria presented in regulations mentioned above. Due to the various quantities/combinations of materials being shipped at one time, the information above must be determined based on the characteristics of the specific shipment.


  • An environmental hazard cannot be excluded in the event of unprofessional handling or disposal.
  • Toxic to aquatic life with long lasting effects.


Uranium like other actinides readily forms a dioxide uranyl core (UO2). In the environment, this uranyl core readily
complexes with carbonate to form charged complexes. Although uranium forms insoluble solids or adsorbs to mineral surfaces at alkaline pH it is these soluble carbonate complexes that increase its solubility, availability, and
mobility with low affinities to soil. Uranium(VI) generally forms a pH-dependent suite of uranyl-carbonate complexes in ground water solutions:

  • UO2(OH)2+1
  • UO2(CO3)2-2
  • UO2(CO3)3-4
  • UO2(CO3)(OH)3-1

A common method for concentrating uranium from a solution uses solutions of uranyl carbonates which are passed through a resin bed where the complex ions are transferred to the resin by ion exchange with a negative ion-like chloride. After buildup of the uranium complex on the resin, the uranium is eluted with a salt solution and the uranium is precipitated in another process.

The Uranyl Carbonate Minerals

Uranyl-carbonate complexes form a large class of mineral species. Several have been described in literature. These include:

  • Andersonite (Hydrated Sodium Calcium Uranyl Carbonate)
  • Astrocyanite-(Ce) (Hydrated Copper Cerium Neodymium Lanthanum Praseodymium Samarium Calcium Yttrium Uranyl Carbonate Hydroxide)
  • Bayleyite (Hydrated Magnesium Uranyl Carbonate)
  • Bijvoetite-(Y) (Hydrated Yttrium Dysprosium Uranyl Carbonate Hydroxide)
  • Fontanite (Hydrated Calcium Uranyl Carbonate)
  • Grimselite (Hydrated Potassium Sodium Uranyl Carbonate)
  • Joliotite (Hydrated Uranyl Carbonate)
  • Liebigite (Hydrated Calcium Uranyl Carbonate)
  • McKelveyite (Hydrated Barium Sodium Calcium Uranium Yttrium Carbonate)
  • Metazellerite (Hydrated Calcium Uranyl Carbonate)
  • Rabbittite (Hydrated Calcium Magnesium Uranyl Carbonate Hydroxide)
  • Roubaultite (Copper Uranyl Carbonate Oxide Hydroxide)
  • Rutherfordine (Uranyl Carbonate)
  • Schrokingerite (Hydrated Sodium Calcium Uranyl Sulfate Carbonate Fluoride)
  • Shabaite (Hydrated Copper Cerium Neodymium Lanthanum Praseodymium Samarium
    Calcium Yttrium Uranyl Carbonate Hydroxide)
  • Sharpite (Hydrated Calcium Uranyl Carbonate Hydroxide)
  • Swartzite (Hydrated Calcium Magnesium Uranyl Carbonate)
  • Voglite (Hydrated Calcium Copper Uranyl Carbonate)
  • Wyartite (Hydrated Calcium Uranyl Carbonate Hydroxide)
  • Widenmannite (Lead Uranyl Carbonate)
  • Zellerite (Hydrated Calcium Uranyl Carbonate)


Copyright 2014 IBI Labs. License granted to make unlimited paper copies for internal use only.

IBI Labs expects that recipients of their material are in compliance with 29 CFR 1910.1200(h) which requires employers to provide employees with effective information and training on hazardous chemicals in their work area.

The information and recommendations set forth herein are presented in good faith and believed to be correct as of the revision date. However, recipients of this material should use this information only as a supplement to other information gathered by them and should make independent judgement of the suitability and accuracy of this information. IBI Labs will not be liable for any special, indirect, incidental, or consequential damages, including but not limited to, loss of any kind whatsoever resulting from the use of the information provided in this Safety Data Sheet. IBI Labs expressly includes all warranties, expressed or implied, including warranties of merchantability and fitness for a particular purpose.

This information is furnished without warranty, and any use of the product not in conformance with this Safety Data Sheet, or in combination with any other product or process, is the responsibility of the user.


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