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MSDS Of Praseodymium (III,IV) Oxide

1. Identification of the Substance
Product details:
Trade Name: Praseodym(III,IV)-Oxid
Stock Number: OX59
Manufacturer/Supplier: Stanford Advanced Materials

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

3. Identification of Hazards
Hazard description: Xi irritant
Specific hazard statements for human and environment: R 36/37 irritates the eyes and the respiratory system.

4. First-Aid Measures
After inhalation: Supply fresh air. If necessary, administer artificial respiration. Keep the patient warm. Seek medical advice immediately.
After skin contact: Rinse immediately with water and soap and wash thoroughly. Seek medical advice immediately.
After eye contact: Rinse eyes with water for several minutes with the eyelids held open. Then consult a doctor.
After ingestion: Seek medical advice immediately.

5. Fire-Fighting Measures
Suitable extinguishing media: The product is not flammable. Use extinguishing media appropriate for the fire.
Protective equipment: Wear a self-contained breathing apparatus. Wear a fully impervious protective suit.

6. Measures in Case of Accidental Release
Personal safety measures: Wear protective equipment. Keep unprotected persons away. Ensure adequate ventilation.
Environmental precautions: Do not allow the material to enter the environment without the necessary official authorisation.
Clean-up measures: Ensure adequate ventilation.
Additional information:
See Section 7 for information on safe handling
See Section 8 for details on personal protective equipment.
See Section 13 for disposal information.

7. Handling and Storage
Handling
Safe handling instructions: Keep the container tightly closed. Ensure good ventilation at the workplace during storage.
Fire and explosion precautions: The product is not flammable.

Storage
Storage requirements for rooms and containers: No special requirements.
Separation guidelines: Do not store together with oxidising and acidic substances.
Additional storage instructions: This product is hygroscopic. Keep the container tightly closed. Store in well-sealed containers in a cool and dry place.

8. Exposure Controls/Personal Protection
Additional technical measures: A properly functioning fume cupboard designed for hazardous chemicals with an average air velocity of at least 100 ft/min is required.
Components with exposure limits requiring workplace monitoring: Not required.
Additional information: None provided.

Personal Protective Equipment: General protective and hygiene measures must be observed. Standard precautions for handling chemicals should be followed. Keep away from food, drink and animal feed. Remove all soiled and contaminated clothing immediately. Wash hands before breaks and at the end of work. Avoid contact with eyes and skin.
Respiratory protection: At high concentrations, use appropriate respiratory protective equipment.
Hand protection: Impermeable gloves.
Eye protection: Safety goggles. Sealable protective glasses. Full face protection.
Body protection: Workwear.

9. Physical and Chemical Properties:
Form: Powder
Colour: Black
Odour: Odourless
Phase Change Value/Range Unit Method
Melting point/Range: 2 500 °C
Boiling point/Range: 4 200 °C
Sublimation temperature/Onset: Not determined
Flash point: Not applicable
Auto-ignition temperature: Not determined
Decomposition temperature: Not determined
Explosive hazard: The product is not considered explosive.
Explosive limits:
Lower: Not determined
Upper: Not determined
Vapour pressure: Not determined
Density: at 20 °C 6.5 g/cm³
Solubility/Miscibility with water: Insoluble

10. Stability and Reactivity
Thermal decomposition / Conditions to avoid: Under intended use and storage, no decomposition occurs.
Substances to avoid: Acids, oxidising agents, water/moisture
Hazardous reactions: No hazardous reactions are known
Hazardous decomposition products: None known

11. Toxicological Information
Acute Toxicity:
LD50/LC50 values relevant for classification: Praseodymium(III,IV) oxide (CAS# 12037-29-5)
Oral: LD50: >5 000 mg/kg (rat)
Primary irritant effects:
On the skin: Irritates the skin and mucous membranes.
Eye exposure: Irritant effect.
Sensitisation: No sensitising effects are known.
Subacute to chronic toxicity: Lanthanides may cause delayed blood coagulation, which can lead to bleeding. Exposure may also result in heat sensitivity, itching, increased olfactory and gustatory perception and liver damage.
Additional toxicological information: To the best of our knowledge, the acute and chronic toxicity of this substance is not fully determined. No classification data concerning its carcinogenic properties are available from the EPA, IARC, NTP, OSHA or ACGH.

12. Ecological Information
General remarks: The material must not be released into the environment without the relevant official authorisations.

13. Disposal Considerations
Product: Recommendation: Follow the relevant government, local or national regulations for proper disposal.
Contaminated packaging: Recommendation: Disposal must be carried out in accordance with official regulations.

14. Transport Information
Not classified as dangerous goods for transport.
Specific regulations:
Hazard class: None
Road transport ADR/RID (cross-border):
ADR/RID Class: None
Sea transport IMDG:
IMDG Class: None
Air transport ICAO-TI and IATA-DGR:
ICAO/IATA Class: None
Transport/Additional Information:
Not considered hazardous in accordance with the above information.

15. Regulatory Information
Product-related hazard statements:
Hazard pictograms: Xi irritant
Risk statements: R36/37 irritates the eyes and the respiratory system.
Safety instructions: In case of eye contact, immediately rinse thoroughly with water and consult a doctor.
National regulations: All components of this product are listed in the inventory of chemical substances of the U.S. Environmental Protection Agency Toxic Substances Control Act.
Restriction on use: For use only by technically qualified persons.

END OF DATA
THIS SAFETY DATA SHEET IS PROVIDED SOLELY FOR YOUR INFORMATION, CONSIDERATION AND INVESTIGATION. STANFORD ADVANCED MATERIALS PROVIDES NO WARRANTIES, EXPRESSED OR IMPLIED, AND ACCEPTS NO RESPONSIBILITY FOR THE ACCURACY OR COMPLETENESS OF THE INFORMATION CONTAINED HEREIN.

About the author

Chin Trento

Chin Trento holds a bachelor's degree in applied chemistry from the University of Illinois. His educational background gives him a broad base from which to approach many topics. He has been working with writing advanced materials for over four years at Stanford Advanced Materials (SAM). His main purpose in writing these articles is to provide a free, yet quality resource for readers. He welcomes feedback on typos, errors, or differences in opinion that readers come across.

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