Dysprosium

Formula
Dy
Structure
Description
Silvery metal.
Uses
Oxide used in control rods of some nuclear power reactors.

Registry Numbers and Inventories.
CAS
7429-91-6
EC (EINECS/ELINCS)
231-073-9
Merck
12,3531
Beilstein/Gmelin
16278 (G)
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
Dy
Formula mass
162.50
Melting point, °C
1409
Boiling point, °C
2335
Vapor pressure, mmHg
1 (1460 C)
Density
8.55 g/cm3 (20 C)
Solubility in water
Reacts
Thermal expansion
1.63E-5/K (25 C)
Heat of fusion
10.8 kJ/mol
Heat of vaporization
233.2 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Keep under a nitrogen blanket.
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 safety goggles, protective clothing and gloves.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Evacuate area and ventilate. Wear protective equipment. If required, use an inert absrobent. Sweep up and place in an appropriate container for disposal. Wash contaminated surfaces.
Stability
No data.
Incompatibilities
Avoid contact with strong acids, strong oxidizing agents, halogens, oxidizing agents, phosphorus, sulfur.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing Media: Use dry chemical.

Health.
Exposure effects
   Ingestion
May cause irriitation.
   Inhalation
May cause irriitation.
   Skin
May cause irriitation.
   Eyes
May cause irriitation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid.

Transport.