Terbium Fluoride








ESPI Metals

1050 Benson Way, Ashland, OR 97520

Toll Free (800) 638-2581 * Fax (541) 488-8313

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Product Name:     Terbium Fluoride

Formula:              TbF3

CAS Number:       13708-63-9




Hazardous Components:   Terbium Fluoride

Percent (%):                     >99

OSHA Hazardous:              Y

Warning Statement:          Dusts in high concentrations may cause skin, eye and respiratory tract irritation.




Boiling Pt Range:              No Data Available

Melting Pt Range:             1172 oC (2142 oF)

Specific Gravity:              No Data Available

Solubility in H2O:              Insoluble

pH of Solution:                  N/A

Molecular Weight:            215.92

Appearance and Odor:     White powder, solid, odorless.




Flash Point:  N/A

Extinguishing Media:  Not combustible.  Use extinguishing methodsuitable for surrounding fires.

Hazardous Decomposition Materials (Under Fire Conditions):  Hydrogen fluoride, fluorine.

Special Fire Fighting Procedures:  Firefighters should wear NIOSH/MSHA approved self-contained breathing apparatus and full protective clothing.  Cool containers exposed to fire with water.

Unusual Fire and Explosion Hazards:  Under fire conditions, toxic, corrosive fumes are emitted.




Acute Effects:

Ingestion:  Practically non-toxic.

Inhalation:  Low acute inhalation toxicity.  May cause upper respiratory tract irritation.

Skin:  Non-irritating.

Eye:  Non-irritating.  May cause foreign body irritation only.

Chronic Effects:  This product does not contain any ingredient designated by IARC, NTP, ACGIH or OSHA as probable or suspected human carcinogens.

Medical Conditions Possibly Aggravated by Exposure:  Inhalation of product may aggravate existing chronic respiratory problems such as asthma, emphysema or bronchitis.



EYES:  Rinse particulate matter from eye.  Seek medical attention if irritation develops or persists or if visual changes occur.

SKIN:  In case of contact, wash with plenty of soap and water.  Seek medical attention if irritation develops or persists.

INHALATION:  If respiratory irritation or distress occurs remove victim to fresh air.  Seek medical attention if respiratory irritation or distress continues.

INGESTION:  If victim is conscious and alert, give 1-2 glasses of milk or water.  Do not give anything by mouth is person is unconscious.  Seek medical attention.  Do not leave victim unattended.

NOTE TO PHYSICIAN:  All treatments should be based on observed signs and symptoms of distress in the patient.  Consideration should be given to the possibility that overexposure to materials other than this product may have occurred.  Treat symptomatically.  No specific antidote available.




Stability:  Stable

Conditions to Avoid:  Avoid creating dusts. Avoid open flame.

Incompatibility (Material to Avoid):  Strong acids, and moisture.

Hazardous Decomposition Products or Byproducts:  Hydrogen fluoride and fluorine.

Hazardous Polymerization:  Will not occur.

Conditions to Avoid:  Not applicable




Waste Disposal Method:  Dispose of in accordance with Local, State and Federal regulations.

Handling and Storage:  Store in a cool, dry place in tightly closed containers.  Avoid breathing dusts.  Avoid direct or prolonged contact with skin and eyes.  Wash hands thoroughly after handling.  Do not rub eyes with soiled hands.  Do not eat, drink or smoke in the work area.

Other Precautions:  Avoid creating dusts as this product, like most materials in powder form, is capable of creating a dust like explosion.

Cleanup and Disposal of Spill:  Sweep or vacuum up and place in a appropriate closed container.  Clean up residual material by washing area with water.

Environmental and Regulatory Reporting:  Spills may be reported to the National Response Center (800-424-8802) and to state or local agencies.




These recommendations provide general guidance for handling of this product.  Specific work environments and material practices vary.

Respiratory Protection:  In dusting conditions, use a NIOSH/MSHA approved dust mask.  Air purifying respirator with cartridges/canister approved for use against dusts, mists and fumes is recommended in the absence of other airborne contaminants.

Ventilation:  Provide adequate ventilation.  Use local exhaust as needed to maintain airborne exposure below control limits.

Protective Clothing:  Work clothing and gloves.

Eye Protection:  Safety glasses with side shields, Chemical workers Dust-Proof goggles (Under dusting conditions).

Other Protective Equipment:  Maintain a sink, safety shower and eyewash fountain in the work area.  Have oxygen readily available.

Exposure Guidelines:  No exposure limits (ACGIH, OSHA, or other) were found for this product or any of its ingredients.

Engineering Controls:  Where engineering controls are indicated by use conditions or a potential for excessive exposure exists, the following traditional exposure control techniques may be used to effectively minimize employee exposures:  wet processing methods to reduce dust generation.

Skin Protection:  Skin contact should be minimized through use of gloves and suitable long-sleeved clothing.  Consideration must be given both to durability as well as permeation resistance.

Work Practice Controls:  Personal hygiene is an important work practice exposure control measure.




Container Handling and Disposal:  Any containers or equipment used should be decontaminated immediately after use.

EPA Hazardous Waste:  No

Federal Regulations:  TSCA ingredients of this product are listed on the TSCA Inventory.

SARA Title III Hazard Classes:

Fire Hazard:                     No

Reactive Hazard:              No

Release of Pressure:        No

Acute Health Hazard:       No

Chronic Health Hazard:    Yes

State Lists:  This product does not contain any components that are regulated under California Proposition 65.



The above information is believed to be correct, but does not purport to be all inclusive and shall be used only as a guide.  ESPI shall not be held liable for any damage resulting from handling or from contact with the above product.


Prepared by:          S. Dierks

Revised:                December 1995