Section 1: Product Identification
Chemical Name: Praseodymium (III) perchlorate, 50% aqueous solution (99.9%-
CAS Registry Number: 51411-03-1
Formula: Pr(ClO4)3
EINECS Number: none
Chemical Family: metal perchlorate salt
Synonym: Perchloric acid, Praseodymium salt, aqueous solution
Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 51411-03-1 50% no data no data
water 7732-18-5 50% no data no data
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 moderate irritation of the eyes.
Skin Contact: Causes moderate irritation of the skin.
Inhalation: Irritating to the nose, mucous membranes and respiratory tract.
No specific information is available on the physiological effects of ingestion. May cause gastrointestinal
Ingestion:
irritation, nausea, and vomiting.
Acute Health Affects: Irritating to skin, eyes and respiratory tract.
Chronic Health Affects: Perchlorates reversibly inhibit thyroid iodine uptake. Kidney function may be affected.
NTP: No
IARC: No
OSHA: No
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.
SECTION 5: Fire Fighting Measures
Flash Point: no data
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: Water spray
Keep sample area wet until fire is completely out. Once dry, product becomes a powerful oxidant, and will act
Special Fire Fighting Procedures:
as a source of oxygen to support combustion.
Hazardous Combustion and If involved in a fire this material may emit corrosive hydrogen chloride fumes.
Decomposion Products:
Unusual Fire or Explosion Hazards: May decompose explosively if allowed to dry under fire fighting conditions. Do not mix with combustibles.
SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Adsorb the liquid into vermiculite or other non combustible adsorbent.
SECTION 7: Handling and Storage
Handling and Storage: Store in a tightly sealed container in a cool place.
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: Handle the material in an effeicient 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: Handle the material in an effeicient fume hood.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: colorless liq.
Molecular Weight: 439.26
Melting Point: no data
Boiling Point: no data
Vapor Pressure: not applicable
Specific Gravity: no data
Odor: none
Solubility in Water: very soluble
SECTION 10: Stability and Reactivity
Stability: Air and moisture stable liquid
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: Any contact with combustible matter, followed by evaporation of water.
None as aqueous solution. If dried, avoid reducing agents, organic matter, active metals, hydrazine, and
Incompatibility:
strong acids
Decomposition Products: Oxygen, Praseodymium oxide, hydrogen chloride,
SECTION 11: Toxicological Information
RTECS Data: No information available in the RTECS files.
Carcinogenic Effects: No data available
Mutagenic Effects: No data available
Tetratogenic Effects: No data available
SECTION 12: Ecological Information
Ecological Information: No data available
SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.
SECTION 14: Transportation
Shipping Name (CFR): Perchlorates, Inorganic, Aqueous Solution, N.O.S.
Hazard Class (CFR): 5.1
Additional Hazard Class (CFR): NA
Packaging Group (CFR): II
UN ID Number (CFR): UN# 3211
Shipping Name (IATA): Perchlorates, Inorganic, Aqueous Solution, N.O.S.
Hazard Class (IATA): 5.1
Additional Hazard Class (IATA): NA
Packaging Group (IATA): II
UN ID Number (IATA): UN# 3211
SECTION 15: Regulatory Information
TSCA: Not listed in the TSCA inventory.
SARA (Title 313): Title compound not listed.
Second Ingredient: none
SECTION 16 - ADDITIONAL INFORMATION
N/A
