Europium Oxide, Europium Sesquioxide, Europia, 1308-96-9

Europium Oxide, Europium Sesquioxide, Europia, 1308-96-9

EUROPIUM OXIDE (EU₂O₃)
EUROPIUM OXIDE / EUROPIUM SESQUIOXIDE / EUROPIUM TRIOXIDE / EUROPIA
1. PRODUCT IDENTIFICATION AND CHEMICAL IDENTITY

2. CHEMICAL STRUCTURE
2.1. Molecular Structure
Europium oxide is the oxide compound of the rare earth element europium. Europium ions (Eu³⁺) and oxide ions (O²⁻) are present in a 2:3 ratio. It exists in cubic and monoclinic phases. It is known for its high melting point, thermal stability, and unique optical properties. It is insoluble in water but soluble in strong acids. It plays a critical role especially in red phosphor production.

Structural Features:

                    EUROPIUM OXIDE [Eu₂O₃]
                          |
                Eu³⁺ - O²⁻ Ionic Bonds
                          |
        +----------------+----------------+
        |                |                |
    Cubic /            Pink-White      Optically Active
    Monoclinic         Powder Form     (Red Phosphor)
    Crystal Structure

2.2. Structural Properties

3. PHYSICAL AND CHEMICAL PROPERTIES

4. PURITY GRADES

5. STABILITY AND REACTIVITY

5.1. Chemical Reactions

• Reaction with Acids:
  Eu₂O₃ + 6HCl → 2EuCl₃ + 3H₂O
  Eu₂O₃ + 6HNO₃ → 2Eu(NO₃)₃ + 3H₂O
  Eu₂O₃ + 3H₂SO₄ → Eu₂(SO₄)₃ + 3H₂O

• Carbonation (Over Time):
  Eu₂O₃ + 3CO₂ + 3H₂O → Eu₂(CO₃)₃·3H₂O (slow)

6. APPLICATION AREAS
6.1. Phosphors and Lighting

6.2. Optical and Laser Applications

6.3. Electronics and Sensors

6.4. Ceramic Industry

6.5. Nuclear Technology

6.6. Sectoral Suitability Table

7. PRODUCTION PROCESS

7.1. Major Producing Countries

8. ALTERNATIVE / SUBSTITUTE PRODUCTS

9. SAFETY AND TOXICOLOGY

9.1. GHS Classification

Signal Word: WARNING

Hazard Pictograms: GHS07 (Exclamation Mark)

10. PRECAUTIONARY STATEMENTS (P-CODES)

11. FIRST AID MEASURES

12. STORAGE AND SHELF LIFE

13. PACKAGING OPTIONS

14. TRANSPORT INFORMATION

15. REGULATORY STATUS

16. OTHER NAMES AND SYNONYMS

17. QUICK REFERENCE TABLE

18. CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

• High Value and Critical Importance: Europium is a critical rare earth element for red phosphor production. It is indispensable in LED, display, and lighting technologies. Losses should be minimized and recycling options explored.

• Optical Properties: Eu³⁺ ions emit strong red light at ~611 nm; this unique property is critical for phosphor applications.

• High Purity Requirement: Phosphor, optical, and electronic applications require high purity (>99.9%). Purity level directly affects application performance.

• Nuclear Applications: Europium isotopes have high neutron capture cross-sections; used in nuclear applications.

• Powder Hazard: Fine powder form may cause respiratory tract irritation. Dust control measures must be taken.

BEST PRACTICE RECOMMENDATIONS:

• Storage:

  • Store in a cool, dry, and well-ventilated area.

  • Use moisture-proof, tightly closed containers.

  • Keep away from acids and oxidizing agents.

  • Store at room temperature (15-25°C).

• Handling:

  • Use in well-ventilated areas with local exhaust ventilation.

  • Use a dust mask (N95 or better), protective goggles, and gloves.

  • Avoid dust formation and inhalation.

  • Wash hands thoroughly after handling.

  • For dissolution in acids, add oxide to acid slowly with cooling and stirring.

• Waste Management:

  • Dispose of in accordance with local regulations.

  • Do not discharge into water sources.

  • For large quantities, rare earth recycling and recovery should be considered (economically viable).

LEGAL DISCLAIMER
This Technical Data Sheet (TDS) is for informational purposes only and has been prepared based on available technical data. The user is solely responsible for determining the suitability of the product for their specific applications and for complying with all local, national, and international regulations. For complete safety, storage, handling, transport, disposal, and regulatory compliance information, the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier must be consulted. This document does not substitute professional advice. Europium oxide is a critical rare earth material for red phosphor production; careful handling, storage, and recycling planning are required due to high purity requirements and optical properties.