MATERIAL SAFETY DATA SHEET







I       PRODUCT IDENTIFICATION



Trade Name:     Dysprosium Oxide                                           Chemical Family: Lanthanides

Formula:        Dy2O3





II      HAZARDOUS INGREDIENTS



Hazardous Mixtures of Other Liquids, Solids, or Gases: None                TLV (Units): N/A





III     PHYSICAL DATA



Boiling Point (oF):  -                                                     Melting Point:                  N/A

Vapor Density:       N/A                                                   Specific Gravity:               7.81

Solubility in H2O:   Negligible                                            Percent, Volatile by volume:    7.81

Appearance and Odor: White powder





IV      FIRE AND EXPLOSION HAZARDS DATA



Flash Point (Method used): N/A                                             Special Fire Fighting Procedures: None

Unusual Fire and Explosion Hazards: None





V       HEALTH HAZARD INFORMATION



Threshold Limit Value: Not established, Non-toxic, LD50 rat orally >1,000 mg/kg.



EMERGENCY AND FIRST AID PROCEDURES:



EYES: Flush with water

SKIN: Wash with water





VI      REACTIVITY DATA



Stability: Stable

Incompatibility (Material to Avoid): Strong acids

Hazardous Polymerization: Will not occur





VII     SPILL OR LEAK PROCEDURES



Steps to Be Taken in Case Material Is Released or Spilled: Sweep or wipe up and dispose.



Waste Disposal Method: Approved chemical landfill.

VIII    SPECIAL PROTECTION INFORMATION



Respiratory Protection: Use particle dust mask if handling large amounts of fine powder.

Ventilation: NoneLocal exhaust: Use if dusting occurs



Protective Gloves: Recommended

Eye Protection: None

Other Protective Equipment: N/A





IX      SPECIAL PRECAUTIONS



Other Handling and Storage Conditions: Store in closed containers. It will absorb moisture and CO2.





Prepared by:     S Dierks

Dated:           November 1988