Thorium Fluoride SDS

Revision Date: 01/30/2023


Name: Thorium Fluoride

Synonyms: Thorium tetrafluoride

Formula: ThF4

CAS RN: [13709-59-6]


IBI Labs

3495 N. Dixie Hwy. Unit # 8

Boca Raton, FL 33431

Tel: 561-826-0061 Fax: 561-892-8450

Emergency Telephone Numbers


USA & Canada contact number: 1-800-535-5053

International contact number: 1-352-323-3500


  • Molecular Formula: F4Th
  • Molecular Weight: 308.03
  • Appearance: White powder
  • Density, g/cm³: 6,32 g/cm3
  • Melting Point, °C: >900°C
  • Boiling Point, °C: 1680°C
  • Reactions: Hygroscopic
  • Physical State: Solid
  • Vapor Pressure: < 0.0000001 kPa at 25 °C


Physical hazards: Not classified.

Health hazards: Not classified.

Environmental hazards: Not classified.

OSHA defined hazards: Not classified.

Label Elements

Signal word: Warning

Hazard Statements

  • Causes serious eye irritation.
  • Causes skin irritation.
  • May cause respiratory irritation.
  • May cause harm to breast-fed children.
  • May cause damage to organs through prolonged or repeated exposure.
  • Suspected of damaging fertility or the unborn child.

Precautionary Statements


  • Do not handle until all safety precautions have been read and understood.
  • Do not breathe dust/fume/gas/mist/vapors/spray.
  • Avoid contact during pregnancy and while nursing.
  • Wash thoroughly after handling.
  • Do not eat, drink, or smoke when using this product.
  • Wear eye protection/face protection.
  • Wear protective gloves.
  • Use personal protective equipment as required.
  • Observe good industrial hygiene practices.


  • If on skin: Wash with plenty of water.
  • If inhaled: Remove person to fresh air and keep comfortable for breathing. Get medical assistance if you feel unwell.
  • If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists, get medical advice/attention. Take off contaminated clothing and wash before reuse. Wash hands after handling.
  • If exposed or concerned: Get medical attention. Call a poison center/doctor if you feel unwell.
  • If skin irritation occurs: Get medical attention.


  • Store in a well-ventilated place.
  • Keep container tightly closed.
  • Store away from incompatible materials.


  • Dispose of waste and residues in accordance with local authority requirements.
  • Dispose of contents/container (in accordance with related regulations).

Hazards not otherwise classified (HNOC)


Radioactive material must be handled by qualified personnel in conformity with regulations appropriate to the government agency authorized to license the use of this radionuclide.



Chemical Name          %          Common Name and Synonyms     CAS Number

Thorium Fluoride        100       Thorium tetrafluoride                    13709-59-6100



  • Move to fresh air.
  • Notify radiation safety personnel immediately.
  • Call a physician if symptoms develop or persist.
  • The amount of material inhaled should be assessed and documented.

Skin contact:

  • Remove contaminated clothing immediately, and wash skin with soap and water.
  • Do not abrade skin.
  • Always blot dry.
  • Notify radiation safety personnel.
  • Get medical attention if irritation develops and persists.

Eye contact:

  • Rinse with water.
  • Remove contact lenses, if present and easy to do.
  • Notify radiation safety personnel.
  • Get medical attention if irritation develops and persists.


  • Notify radiation safety personnel immediately.
  • Rinse mouth.
  • Get medical attention if symptoms occur.

Most Important Symptoms and Effects

  • Severe eye irritation.
  • Symptoms may include stinging, tearing, redness, swelling, and blurred vision.
  • May cause respiratory and skin irritation.

General information:

  • Treat symptomatically.
  • Ensure that medical personnel are aware of the materials involved and take precautions to protect themselves.


Suitable extinguishing media:

  • Water fog. Foam.
  • Dry chemical powder.
  • Carbon dioxide (CO2).
  • Use fire-extinguishing media appropriate for surrounding materials.

Unsuitable extinguishing media:

  • Do not use water jet as an extinguisher, as this will spread the fire.
  • Use fire-extinguishing media appropriate for surrounding materials.

Specific hazards arising from the chemical: During fire, gases hazardous to health may be formed.

Special protective equipment and precautions for firefighters: Wear full protective clothing, including helmet, self-contained positive pressure or pressure demand breathing apparatus, protective clothing, and face mask.

Firefighting equipment and instructions: Move containers from fire area if you can do so without risk.

Specific methods: Use standard firefighting procedures and consider the hazards of other involved materials.

General fire hazards: No unusual fire, or explosion hazards noted.


Personal precautions, protective equipment, and emergency procedures:

  • Keep unnecessary personnel away.
  • Avoid contact with spilled material.
  • For personal protection, see section 8 of the SDS.

Methods and materials for containment and cleaning:

  • Collect and dispose of spillage as indicated in section 13 of the SDS.
  • In the event of a spill or accidental release, notify relevant authorities in accordance with all applicable regulations.
  • Clean up in accordance with all applicable regulations.
  • Stop the flow of material if this is without risk.
  • Following product recovery, flush area with water.

Environmental precautions: Avoid discharge into drains, water courses or onto the ground.


Precautions for Safe Handling

  • Obtain special instructions before use.
  • Do not handle until all safety precautions have been read and understood.
  • Avoid all personal contact.
  • Avoid contact with skin and eyes.
  • Avoid contact during pregnancy/while nursing.
  • Avoid prolonged exposure.
  • When using, do not eat, drink, or smoke.
  • Use personal protective equipment as required.
  • Wash thoroughly after handling.
  • Avoid release to the environment.

Conditions for Safe Storage, Including Any Incompatibilities

Store locked up:

  • Store in a place accessible by authorized persons only.
  • Store in a cool, dry place out of direct sunlight.
  • Store in original tightly closed container.
  • Keep container tightly closed.
  • Keep out of the reach of children.
  • Store away from incompatible materials (see Section 10 of the SDS).
  • Store in accordance with local, regional, national, and international regulations.


Control parameters: Follow standard monitoring procedures. Individual protection measures, such as personal protective equipment.

Eye and face protection: Wear safety glasses with side shields (goggles).

Skin protection:     

  • Wear appropriate chemical resistant gloves.
  • Rubber gloves.
  • Suitable gloves can be recommended by the glove supplier.
  • Wear suitable protective clothing.
  • Lab coat.

Respiratory protection: In case of insufficient ventilation, wear suitable respiratory equipment.

Thermal hazards: Wear appropriate thermal protective clothing, when necessary.

General hygiene considerations:

  • No smoking, eating, or drinking should be allowed in any area where radioactive materials are handled or stored.
  • When using, do not eat, drink, or smoke.
  • Always observe good personal hygiene measures, such as washing after handling the material and before eating, drinking, and/or smoking. 
  • Routinely wash work clothing and protective equipment to remove contaminants.


Reactivity: The product is stable and non-reactive under normal conditions of use, storage, and transport.

Chemical stability: Stable; however, may decompose if heated.

Possibility of hazardous reactions: No dangerous reaction known under conditions of normal use.

Conditions to avoid: Contact with incompatible materials.

Incompatible materials: Strong oxidizing agents.

Hazardous decomposition products: No hazardous decomposition products are known.


Inhalation: May cause irritation to the respiratory system. Prolonged inhalation may be harmful.

Skin contact: Causes skin irritation.

Eye contact: Causes serious eye irritation.

Ingestion: Due to lack of data the classification is not possible.

Symptoms related to the   physical, chemical, and toxicological characteristics: Irritant effects.

Information on Toxicological Effects

Acute toxicity: May cause respiratory irritation.

Skin corrosion/irritation: Causes skin irritation.

Serious eye damage/eye irritation: Causes serious eye irritation.

Respiratory or Skin Sensitization

Respiratory sensitization: Due to lack of data the classification is not possible.

Skin sensitization: Due to lack of data the classification is not possible.

Germ cell mutagenicity: Due to lack of data the classification is not possible.


This product is not considered to be a carcinogen by IARC, ACGIH, NTP, or OSHA.

IARC Monographs. Overall Evaluation of Carcinogenicity

Thorium Fluoride (CAS 13709-59-6) is not classifiable as to carcinogenicity to humans US OSHA Specifically Regulated Substances (29 CFR 1910.1001-1050)

Not listed.

Reproductive Toxicity                                               

  • May cause harm to breastfed babies.
  • Suspected of damaging fertility or the unborn child.

Specific Target Organ Toxicity Single Exposure

Respiratory tract irritation.

Specific target organ toxicity-repeated exposure: May cause damage to organs through prolonged or repeated exposure.

Aspiration hazard: Due to lack of data the classification is not possible.

Chronic effects: May cause damage to organs through prolonged or repeated exposure. Prolonged inhalation may be harmful.

Further information: This product has no known adverse effect on human health.


Ecotoxicity: Contains a substance which causes risk of hazardous effects to the environment.

Persistence and degradability: No data is available on the degradability of this product.

Bio-accumulative potential: No data available.

Mobility in soil: No data available.

Other adverse effects: No other adverse environmental effects (e.g., ozone depletion, photochemical ozone creation

potential, endocrine disruption, global warming potential) are expected from this component.


Disposal instructions:

  • Collect and reclaim or dispose in sealed containers at licensed waste disposal site.
  • Radioactive waste must be handled in accordance with procedures established by your Radiation Safety Officer, NRC, and other applicable regulations.

Local disposal regulations: Dispose in accordance with all applicable regulations.

Hazardous waste code: The waste code should be assigned in discussion between the user, the producer, and the waste disposal company.

Waste from residues and unused products: 

  • Empty containers or liners may retain some product residues.
  • This material and its container must be disposed of in a safe manner (see disposal instructions).
  • Dispose of in accordance with local regulations.

Contaminated packaging:

  • Since emptied containers may retain product residue, follow label warnings even after container is emptied.
  • Empty containers should be taken to an approved waste handling site for recycling or disposal.


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 the 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.


US federal regulations: CERCLA/SARA Hazardous Substances – Not applicable.

All components are on the U.S. EPA TSCA Inventory List.

This product is a “Hazardous Chemical” as defined by the OSHA Hazard Communication Standard, 29 CFR 1910.1200.

TSCA Section 12(b) Export Notification (40 CFR 707, Subpt. D)

Not regulated.

CERCLA Hazardous Substance List (40 CFR 302.4)

Not listed

US OSHA Specifically Regulated Substances (29 CFR 1910.1001-1050)

Not listed.

Superfund Amendments and Reauthorization Act of 1986 (SARA)

Hazard categories                                  Immediate Hazard – No

Delayed Hazard – No

Fire Hazard – No

Pressure Hazard – No

Reactivity Hazard – No

SARA 302 Extremely hazardous substance

Not listed.

SARA 311/312 Hazardous Yes


SARA 313 (TRI reporting)

Not regulated.

Other Federal Regulations

Clean Air Act (CAA) Section 112 Hazardous Air Pollutants (HAPs) List

Not regulated.

Clean Air Act (CAA) Section 112(r) Accidental Release Prevention (40 CFR 68.130)

Not regulated.

Safe Drinking Water Act4.0 mg/l

(SDWA)4.0 mg/l

US state regulations: California Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65). This material is not known to contain any chemicals currently listed as carcinogens or reproductive toxins.

US – New Jersey RTK – Substances: Listed substance

Thorium Fluoride (CAS 13709-59-6)

  1. California Controlled Substances. CA Department of Justice (California Health and Safety Code Section 11100)

Not listed.

  1. Massachusetts RTK – Substance List

Not regulated.

  1. New Jersey Worker and Community Right-to-Know Act

Not regulated.

  1. Pennsylvania RTK – Hazardous Substances

Thorium Fluoride (CAS 13709-59-6)

  1. Pennsylvania Worker and Community Right-to-Know Law

Thorium Fluoride (CAS 13709-59-6)

  1. Rhode Island RTK

Not regulated.

  1. California Proposition 65

California Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65): This material is not known to contain

any chemicals currently listed as carcinogens or reproductive toxins.


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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