MATERIAL SAFETY DATA SHEET

I.    PRODUCT IDENTIFICATION

Manufacturer/Supplier:

ESPI Metals

1050 Benson Way, Ashland, OR 97520

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

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Product Name:     Terbium Chloride, anhydrous

Formula:              TbCl₃

CAS Number:       10042-88-3

II.   HAZARDOUS INGREDIENTS

Hazardous Component:  Terbium Chloride

Percent (%):                   0-100

OSHA/PEL:                       N/E

ACGIH/TLV:                     N/E

III.   PHYSICAL DATA

Boiling Point:                    180-200 ^oC (in HCl gas atmosphere)

Melting Point:                   558 ^oC

Specific Gravity:              4.35 g/cc

Solubility in H₂O:             Soluble

Appearance and Odor:    White Powder

IV.   FIRE AND EXPLOSION HAZARDS DATA

Flash Point (F)/Method:  No Data

Autoignition Temp:  No Data

Flammable Limits in Air:  Lower:  N/D       Upper:  N/D

Extinguishing Media:  Use water, carbon dioxide, dry chemical extinguishing agents, dry sand, or dry ground dolomite.

Special Fire Fighting Procedures:  No special needed.  Use normal procedures which includes wearing a NIOSH/MSHA approved self-contained breathing apparatus and full protective clothing.  If without risk, remove material from fire area.  Cool container with water from maximum distance.

Unusual Fire and Explosion Hazards:  May emit toxic fumes if thermally decomposed.

V.   HEALTH HAZARD INFORMATION

Threshold Limit Value:  Not Established

Effects of Overexposure:  Irritating to skin, eyes and mucous membranes.

EMERGENCY AND FIRST AID PROCEDURES:

INHALATION:  Remove from exposure.  Seek prompt, competent medical attention.

INGESTION:  Remove from exposure.  Seek prompt, competent medical attention.

SKIN:  Remove any contaminated clothing.  Flood Skin with large volumes of water for 15 minutes.

EYES:  Flush with copious amounts of water for at least 15 minutes.

VI.   REACTIVITY DATA

Stability:  Stable

Conditions to Avoid:  Thermal decomposition.

Incompatibility (Material to Avoid):  Acids or acid fumes

Hazardous Decomposition Products:  Chloride fumes

Hazardous Polymerization:  Will not occur.

VII.   SPILL OR LEAK PROCEDURES

Steps to Be Taken in Case Material Is Released or Spilled:  Wear full protective clothing and respiratory protection, eliminate all sources of ignition.  Cover spill with dry sand or dry vermiculite, mix well and carefully transfer to a well-marked container.  Close container tightly.  Submit or retain for disposal.

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

VIII.   SPECIAL PROTECTION INFORMATION

Respiratory Protection:  NIOSH/MSHA approved dust mask for ordinary use, self-contained breathing apparatus for emergency use.

Ventilation:   Use local exhaust to maintain concentration at low exposure levels.  General exhaust is not recommended.

Special:  Use a glove bag or box with dry inert atmosphere.

Protective Gloves:  Rubber

Eye Protection:  ANSI approved safety goggles.

Other Protective Equipment:  Lab coat and apron, flame and chemical resistant coveralls, eyewash capable of sustained flushing, safety drench shower and hygienic facilities for washing.

IX.   SPECIAL PRECAUTIONS

Precautions to Be Taken in Handling and Storage:  Keep container tightly closed.  Store in a cool, dry, well-ventilated area.  Wash thoroughly after use.

Work Practices:  Implement engineering and work practice controls to reduce and maintain concentration of exposure at low levels.  Use good housekeeping and sanitation practices.  Do not use tobacco or food in work area.  Wash thoroughly before eating and smoking.  Do not blow dust off clothing or skin with compressed air.

Precautionary Labeling:  Warning:  Irritates skin and eyes

Employers should use this information only as a supplement to other information gathered by them, and should make independent judgment of suitability of this information to ensure proper use and protect the health and safety of employees.  This information is furnished without warranty, and any use of the product not in conformance with this MSDS, or in combination with any other product or process, is the responsibility of the user.

Issued by:             S. Dierks

Date:                    March 1984