Thorium Yttrium Oxide MSDS


Thorium yttrium
Formula Unspecified
Description Solid solution of thorium oxide and yttrium oxide.
Numbers and Inventories.
CAS 68908-48-5
NIH PubChem CID 3759907 (SID)
UN (DOT) 2910
Beilstein/Gmelin NA
US TSCA Listed
Korea ECL Listed

Hazards and Protection.
Storage Keep in a cool, dry, dark location in a
tightly sealed container or cylinder. Keep away from incompatible materials,
ignition sources and untrained individuals. Secure and label area. Protect
containers/cylinders from physical damage.
Handling All chemicals should be considered hazardous.
Avoid direct physical contact. Use appropriate, approved safety equipment.
Untrained individuals should not handle this chemical or its container.
Handling should occur in a chemical fume hood.
Protection Wear appropriate protective gloves, clothing and goggles.
Respirators Wear positive pressure self-contained breathing apparatus
Small spills/leaks Do not touch damaged packages or spilled material. Cover
liquid spill with sand, earth or other noncombustible absorbent material.
Cover powder spill with plastic sheet or tarp to minimize spreading. Contact
radiation safety officer.
Stability No data.
Firefighting Presence of radioactive material will not
influence the fire control processes and should not influence selection of
techniques. Small Fires: Dry chemical, carbon dioxide, water spray or
regular foam. Large Fires: Water spray, fog (flooding amounts).
Fire potential May burn but does not ignite readily.
Exposure effects
   Ingestion See Inhalation.
   Inhalation Minimal risk if packaging remains intact. Package damage
can result in a measurable release of radiation but the risk is still low.
   Skin See Inhalation.
   Eyes See Inhalation.
First aid
   Ingestion Medical problems take priority over radiological
concerns. Use first aid treatment according to the nature of the injury. Do
not delay care and transport of a seriously injured person.
   Inhalation Apply artificial respiration if victim is not breathing.
Administer oxygen if breathing is difficult. See Ingestion.
   Skin Immediately flush with running water for at least 20
minutes. See Ingestion.
   Eyes Immediately flush with running water for at least 20
minutes. See Ingestion.
UN number 2910 radiation 7
Response guide 161
Hazard class 7

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