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Section 1: Product Identification
   Chemical Name:       Praseodymium (III) nitrate hexahydrate (99.9%-Pr) (REO)    
   CAS Registry Number:       15878-77-0    
   Formula:       Pr(NO3)3.6H2O    
   EINECS Number:       233-796-5    
   Chemical Family:       metal nitrate salts    
   Synonym:       Nitric acid, praseodymium(3+) salt, hexahydrate    

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Section 2: Composition and Information on Ingredients
   Ingredient       CAS Number       Percent       ACGIH (TWA)       OSHA (PEL)    
   Title Compound       15878-77-0       100%       no data       no data    

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Section 3: Hazards Identification
   Emergency Overview:       Irritating to eyes, skin and respiratory tract. May be harmful if swallowed.    
   Primary Routes of Exposure:       Ingestion    
   Eye Contact:       Causes slight to mild irritation of the eyes    
   Skin Contact:       Causes slight to mild irritation of the skin.    
   Inhalation:       Irritating to the nose, mucous membranes and respiratory tract.    
   Ingestion:       Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, and convulsions.    
   Acute Health Affects:       Irritating to skin, eyes and respiratory tract.    
   Chronic Health Affects:       No information available on long-term chronic effects.    
   NTP:       No    
   IARC:       No    
   OSHA:       No    

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SECTION 4: First Aid Measures
   Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
   Eye Exposure:
   assistance in keeping their eye lids open. Get immediate medical attention.
   Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
   Skin Exposure:
   irritation persists.
   Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
   Inhalation:
   in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
   Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
   Ingestion:
   vomiting only if directed by medical personnel.

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SECTION 5: Fire Fighting Measures
   Flash Point:       not applicable    
   Autoignition Temperature:       none    
   Explosion Limits:       none    
   Extinguishing Medium:       carbon dioxide, foam or dry powder    
   If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure
   Special Fire Fighting Procedures:
   self-contained breathing apparatus and full protective clothing.
   Hazardous Combustion and       If involved in a fire this material may emit irritating fumes.    
   Decomposion Products:
   Unusual Fire or Explosion Hazards: Metal nitrates can be oxidizers. Contact with strong reducing agents could lead to fires and/or explosions.

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SECTION 6: Accidental Release Measures
   Spill and Leak Procedures:       Small spills can be mixed with vermiculite or sodium carbonate and swept up.    

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SECTION 7: Handling and Storage
   Handling and Storage:       Store in a tightly sealed container. Keep away from heat and direct sunlight.    

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SECTION 8: Exposure Controls and Personal Protection
   Eye Protection:       Always wear approved safety glasses when handling a chemical substance in the laboratory.    
   Skin Protection:       Wear protective clothing and gloves    
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   If ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory
   Respirator:
   Protection Program to be in compliance with 29 CFR 1910.134.
   Ventilation:       If possible, handle the material in an efficient fume hood.    
   Additional Protection:       No additional protection required.    

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SECTION 9: Physical and Chemical Properties
   Color and Form:       light green xtl.    
   Molecular Weight:       326.92 (435.02)    
   Melting Point:       no data    
   Boiling Point:       no data    
   Vapor Pressure:       not applicable    
   Specific Gravity:       no data    
   Odor:       none    
   Solubility in Water:       soluble    

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SECTION 10: Stability and Reactivity
   Stability:       air and moisture stable    
   Hazardous Polymerization:       no hazardous polymerization    
   Contact with strong reducing agents or organic matter. Some nitrates can explode if heated to high
   Conditions to Avoid:
   temperatures.
   Incompatibility:       reducing agents, organic matter, phosphorus and sulfur    
   Decomposition Products:       nitrogen oxides and praseodymium salts    

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SECTION 11: Toxicological Information
   Oral (rat); LD50: 3500 mg/kg. Intraperitoneal (rat); LD50: 245 mg/kg. Intraperitoneal (mouse); LD50: 290
   RTECS Data:
   mg/kg.
   Carcinogenic Effects:       No data available    
   Mutagenic Effects:       No data available    
   Tetratogenic Effects:       No data available    

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SECTION 12: Ecological Information
   Ecological Information:       No data available    

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SECTION 13: Disposal Considerations
   Disposal:       Dispose of according to local, state and federal regulations.    

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SECTION 14: Transportation
   Shipping Name (CFR):       Nitrates, Inorganic, N.O.S.    
   Hazard Class (CFR):       5.1    
   Additional Hazard Class (CFR):       NA    
   Packaging Group (CFR):       II    
   UN ID Number (CFR):       UN# 1477    
   Shipping Name (IATA):       Nitrates, Inorganic, N.O.S.    
   Hazard Class (IATA):       5.1    
   Additional Hazard Class (IATA):       NA    
   Packaging Group (IATA):       II    
   UN ID Number (IATA):       UN# 1477    

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SECTION 15: Regulatory Information
   TSCA:       Not listed in the TSCA inventory.    
   SARA (Title 313):       Title compound: See Category Code N511 for reporting.    
   Second Ingredient:       none    

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SECTION 16 - ADDITIONAL INFORMATION
N/A