ELECTRONIC SPACE PRODUCTS INTERNATIONAL
1050 Benson Way, Ashland, OR 97520
Toll Free (800) 638-2581 * Fax (541) 488-8313
E-Mail: sales@espimetals.com
MATERIAL SAFETY DA TA SHEET
I PRODUCT IDENTIFICATION
Terbium Tb
Trade Name: Ch em ical Form ula:
7440-2 7-9 158.92
CAS #: Molecular Weight:
II HAZAR DOUS INGRED IENTS
Haz ardous C omp onents % OSHA/PEL ACGIH/TLV
Terbium 0-100 N/E N/E
15 m g/m 3 (dust), 5 m g/m 3 (resp) 10 m g/m 3 total dust
Particulates not otherwise regulated 0-100
OSH A H azard: Yes
SARA Title III Hazard Classification: Fire Hazard, Reactive Hazard.
III PHYSICAL DATA
3122 oC 1356 oC
Boiling Point: Melting Point:
8.23 at 25 oC N/A
Specific Gravity: Vapo r Density:
N/A Insoluble
Vapor Pressure: Solubility in H 2O:
Silver solid (ing ot, chun k, foil, pow der)/odorless. 0
Appearance and Odor: % Vo latile:
IV FIRE AND EXPLOSION H AZARDS DATA
Flash Point: N/A Autoignition Temperature: N/A
Flamm able Lim its in Air: Lower: N/A Upper: N/A
Extingu ishing Media: Dry chem ical, Class D exting uishe r. DO NO T U SE WAT ER .
Special Fire Fighting Procedures: Firefighters sh ould wear a N IOS H/M SH A approve d self-c ontained breathing apparatus and full
protective clothing.
Unusual Fire and Explosion Hazards: Product will burn under fire conditions. May react with water liberating flammable,
explosive hydrogen gas. Like all organic and most dry chemicals, as a powder or dust, this product (when m ixed with air in critical
proportions and in the presence of an ignition source) may present an explosion hazard.
V HEALTH HAZARD INFORMATION
Effects of Exposure:
Inhalation: Low acute inhalation toxicity. May cause upper respiratory tract irritation.
Ingestion: Evidence suggest low toxicity potential due to poor absorption by the oral route.
Skin : Skin absorption not likely. Essentially non-irritating.
Eye: Non-irritating. May cause foreign body irritation only.
Other: Has anticoagulant effect when given intravenously.
Chro nic Effects: No data found.
Medical Conditions Possibly Aggravated by O verexposure: Inhalation of product may aggravate existing chronic respiratory
prob lems such as asthm a, emp hysem a or bro nchitis.
Carcino genicity: NTP: No IARC: No OSHA: No AC GIH : No
EMERG ENCY AND FIRST AID PROCEDURES:
INHALATION: If respiratory irritation or distress occurs remove victim to fresh air. Seek medical attention if respiratory irritation
or distress con tinues.
INGESTION: If victim is conscious and alert, give 1-2 glasses of water to drink. Do not give anything by mouth to an unconscious
person. Seek medical attention. Do not leave victim unattended.
SK IN: In case of co ntact, wash with plen ty of soap and w ater. Seek m edical attention if irritation develops or persists.
EYES: In case of contact, immediately flush eye with plenty of water for at least 15 minutes using an eyewash fountain. Lift upper
and lower lids an d rinse well under th em . Get m edica l attention if irritation develops or persists.
NOTE TO PHYSICIAN: All treatments should be based on observed signs and symptoms of distress in the patient. Consideration
should b e given to the possibility that overexpo sure to ma terials oth er than this p roduct m ay have occu rred. Treat sym ptom atically.
No specific antidote available.
VI REACTIVITY DATA
Stability: Stable
Co nditio ns to Av oid: Dusting conditions, electric arcs, open flame, spark, moisture.
Incompatibility (Material to avoid): Air, strong acids, strong oxidizing a gents, acid chlorides, ha logens, chlorates, brom ates,
iodates.
Haz ardous D ecomposition Produc ts: Hydroge n (decom position type - hydrolysis).
Hazardous Polymerization: Will not occur.
VII SPILL OR LEAK PROC EDURES
Steps to be Taken in Case Material is Released or Spilled: Wear appropriate protective gear specified in section VIII. Sweep up
and place in an appropriate closed container. Vacuuming should be prohibited. Use non-sparking tools. Clean up residual material
by wa shing area with water.
Waste Disposal Method: Dispose o f in accord ance w ith Loca l, State and Federal regu lations.
VIII SPECIAL PROTECTION INFORMATION
Respiratory Protection: In dusting conditions, use a NIOSH/MSHA approved dust mask.
Ventilation: Provide adequ ate ventilation. U se local exh aust as need ed to m aintain airborne exposure below control lim its.
Eye Protection: Safety glasses w ith side shields, Ch emical work ers Du st-Proof g oggles. Under dusting cond itions.
Protective Clothing: Work clothing and g loves.
IX SPECIAL PRECAUTIONS
Precautions to Be Taken in Handling and Storage: Store in a cool, dry place in tightly closed containers. Air and mo isture
sensitive. Store away for oxidizers and other materials listed under incompatibility. STORE UNDER ARGO N OR OTHER INERT
EN VIR ON MEN T. A void breathing dusts. A void direct or prolon ged contact with skin and eyes. Do not ru b eyes with soiled hands.
Other Precautions: Avoid creating dusts as this product, like most materials in powder form, is capable of creating a dust explosion.
Wo rk Practices: Do not sto re, use, and/or co nsume foods, be verages, tobacco products, or cosm etics in areas w here this m aterial is
-Terbium 2-
stored. Wash hands and face carefully before eating, drinking, using tobacco, applying cosmetics, or using the toilet. Wash exposed
skin p rom ptly to rem ove accid entally splash es of contact with this m aterial. M aintain a sink, safety show er and eyewash fo untain in
the work area. Have oxygen readily available.
TSCA Inventory Status: Product is TSCA certified.
Transportation Status: Powd er A nd T hin F oil: Flam ma ble solid, n.o.s. (terbiu m m etal), U N 3 089 . Ingot And Chunk: Not
regulated.
Reportable Quantity (RQ), under U.S. EPA CERCLA: None listed.
Specifica lly listed under SAR A T itle III: Not listed
State/International Right-To-Know Regulations: None listed.
W arning Statem ents: Flammable Solid When a Powder or Thin Foil. All forms will react with dilute acids emitting
flamm able/exp losive hy drog en gas.
The abo ve inform ation is believ ed to be co rrect, but do es no t purp ort to b e all inclu sive an d sha ll be used only as a gu ide.
ESPI shall not be held liab le for any d am age resulting from h and ling o r from contact with the abov e pro duc t.
Issued by: S. Dierks
Date: December 1995
-Terbium 3-
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