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MSDS of Praseodymium (III,IV) Oxide

1. Identification of Substance
Product details:
Trade name: Praseodymium (III,IV) Oxide
Stock number: OX59
Manufacturer/supplier: Stanford Advanced Materials

2. Composition/Data on Components
Chemical characterization:
CAS# 12037-29-5
Identification number(s): EINECS Number: 2348579

3. Hazards Identification
Hazard description: xi irritant
Information pertaining to particular dangers for man and environment: r 36/37 irritating to eyes and respiratory system.

4. First Aid Measures
After inhalation: supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
After skin contact: immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
After eye contact: rinse opened eye for several minutes under running water. Then consult a doctor.
After swallowing: seek immediate medical advice.

5. Fire Fighting Measures
Suitable extinguishing agents: product is not flammable. Use fire fighting measures that suit the surrounding fire.
Protective equipment: wear self-contained respirator. Wear fully protective impervious suit.

6. Accidental Release Measures
Person-related safety precautions: wear protective equipment. Keep unprotected persons away. Ensure adequate ventilation
Measures for environmental protection: do not allow material to be released to the environment without proper governmental permits.
Measures for cleaning/collecting: ensure adequate ventilation.
Additional information:
see section 7 for information on safe handling
see section 8 for information on personal protection equipment.
see section 13 for disposal information.

7. Handling and Storage
Handling
Information for safe handling: keep container tightly sealed. Store ensure good ventilation at the workplace.
Information about protection against explosions and fires: the product is not flammable

Storage
Requirements to be met by storerooms and receptacles: no special requirements.
Information about storage in one common storage facility: do not store together with oxidizing and acidic materials.
Further information about storage conditions: this product is hygroscopic. Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.

8. Exposure Controls and Personal Protection
Additional information about design of technical systems: properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.
Components with limit values that require monitoring at the workplace: not required.
Additional information: no data

Personal protective equipment: general protective and hygienic measures. The usual precautionary measures for handling chemicals should be followed. Keep away from foodstuffs, beverages and feed. Remove all soiled and contaminated clothing immediately. Wash hands before breaks and at the end of work. Avoid contact with the eyes. Avoid contact with the eyes and skin.
Breathing equipment: use suitable respirator when high concentrations are present.
Protection of hands: impervious gloves
Eye protection: safety glasses. Tightly sealed goggles. Full face protection
Body protection: protective work clothing.

9. Physical and Chemical Properties:
Form: powder
Color: black
Odor: odorless
          change in condition                                                 value/range unit method
          melting point/melting range:                                    2500 ° C
          boiling point/boiling range:                                      4200 ° C
          sublimation temperature / start:                              not determined
          flash point:                                                              not applicable
          ignition temperature:                                               not determined
          decomposition temperature:                                   not determined
Danger of explosion: product does not present an explosion hazard.
Explosion limits:
                         lower: not determined
                         upper: not determined
Vapor pressure: not determined
Density: at 20 ° c 6.5 g/cm3
Solubility in / miscibility with water: insoluble

10. Stability and Reactivity
Thermal decomposition / conditions to be avoided: decomposition will not occur if used and stored according to specifications.
Materials to be avoided: acids, oxidizing agents, water/moisture
Dangerous reactions no dangerous reactions known
Dangerous products of decomposition: none known

11. Toxicological Information
Acute toxicity:
Ld/lc50 values that are relevant for classification: praseodymium (iii,iv) oxide (CAS# 12037-29-5)
Oral: ld50: >5000 mg/kg (rat)
Primary irritant effect:
On the skin: irritant to skin and mucous membranes.
On the eye: irritating effect.
Sensitization: no sensitizing effects known.
Subacute to chronic toxicity: lanthanons can cause delayed blood clotting leading to hemorrhages. Exposure may also lead to sensitivity to heat, itching, increased awareness of odor and taste, and liver damage.
Additional toxicological information: to the best of our knowledge the acute and chronic toxicity of this substance is not fully known. No classification data on carcinogenic properties of this material is available from the epa, iarc, ntp, osha or acgih.

12. Ecological Information
General notes: do not allow material to be released to the environment without proper governmental permits.

13. Disposal Considerations
Product: recommendation: consult state, local or national regulations for proper disposal.
Uncleaned packagings: recommendation: disposal must be made according to official regulations.

14. Transport Information
Not a hazardous material for transportation.
Dot regulations:
Hazard Class: none
Land Transport ADR/RID (cross-border)
ADR/RID Class: none
Maritime Transport IMDG:
IMDG Class: none
Air Transport ICAO-TI and IATA-DGR:
ICAO/IATA Class: none
Transport/Additional Information:
Not dangerous according to the above specifications.

15. Regulations
Product related hazard informations:
Hazard Symbols: xi irritant
Risk Phrases: 36/37 irritating to eyes and respiratory system.
Safety Phrases:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
National regulations: all components of this product are listed in the u.s. environmental protection agency toxic substances control act chemical substance inventory.
Information about limitation of use: for use only by technically qualified individuals.

END OF DATA
THIS MATERIAL SAFETY DATA SHEET IS OFFERED SOLELY FOR YOUR INFORMATION, CONSIDERATION, AND INVESTIGATION. STANFORD ADVANCED MATERIALS PROVIDES NO WARRANTIES, EITHER EXPRESS OR IMPLIED, AND ASSUMES NO RESPONSIBILITY FOR THE ACCURACY OR COMPLETENESS OF THE DATA CONTAINED HEREIN.

Keywords: material safety data sheet,msds,praseodymium oxide


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