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Europium Metal, Metallic Europium, Elemental Europium, 7440-53-1

Europium Metal, Metallic Europium, Elemental Europium, 7440-53-1

EUROPYUM METAL (EUROPIUM METAL / METALLIC EUROPIUM)

PRODUCT IDENTIFICATION INFORMATION

Parameter Information
Product Name Europium Metal / Metallic Europium
Other Technical Names Europium Metal, Metallic Europium, Elemental Europium, Avrupa Metali
CAS Number 7440-53-1
Chemical Symbol Eu
Atomic Number 63
Atomic Weight 151.97 g/mol
Product Family Rare Earth Element (Lanthanide Series)
Appearance Silver-grey, piece form metal

CHEMICAL STRUCTURE

    Europium Metal (Eu)
    
    Body-Centered Cubic (BCC) Crystal Structure
    
         Eu  Eu  Eu  Eu
           \  |  /  |
            Eu Eu Eu Eu
           /  |  \  |
         Eu  Eu  Eu  Eu
    
    Body-Centered Cubic (BCC) Crystal Structure
    Highly Reactive Rare Earth Metal
    High Neutron Absorption Capacity
    Used in Nuclear and Optical Applications

Molecular Formula: Eu (Elemental)
Crystal Structure: Body-Centered Cubic (BCC)
Electron Configuration: [Xe] 4f⁷ 6s²
Oxidation States: +2, +3 (primarily)
Stability: Very easily oxidizes in air; must be stored under argon gas
Ductility: Poor; brittle structure

SECTION 1: CHEMICAL IDENTITY AND DEFINITION

Parameter Information
Product Name Europium Metal / Metallic Europium
Other Technical Names (English) Europium Metal, Metallic Europium, Elemental Europium
Other Technical Names (Turkish) Europium Metali, Avrupa Metali
Other Technical Names (German) EuropiumMetall, Metallisches Europium
Other Technical Names (French) Métal de Europium, Europium Métallique
Other Technical Names (Spanish) Metal de Europio, Europio Metálico
CAS Number 7440-53-1
Chemical Symbol Eu
Atomic Number 63
Atomic Weight 151.97 g/mol
Chemical Class Rare Earth Element; Lanthanide Series
Crystal Structure Body-Centered Cubic (BCC)
Electron Configuration [Xe] 4f⁷ 6s²
Oxidation States +2, +3 (primarily)
Appearance Silver-grey metallic piece form
Odor Odorless
Color Silver-grey
Luster Metallic luster
Magnetic Properties Paramagnetic

SECTION 2: PHYSICAL AND CHEMICAL PROPERTIES

Property Value Test Method / Note
Appearance Silver-grey metallic piece form Visual
Atomic Weight 151.97 g/mol Calculated
Density (20°C) 9.066 g/cm³ ASTM D792
Melting Point 1490°C DSC
Boiling Point 1527°C -
Hardness (Brinell) ~2.5 (soft) -
Hardness (Mohs) ~1.5-2.0 Mohs Scale
Electrical Conductivity ~1.12 × 10⁶ S/m -
Thermal Conductivity ~13.9 W/m·K -
Specific Heat (25°C) ~0.18 J/g·K -
Electrical Resistivity ~90 × 10⁻⁸ Ω·m -
Thermal Expansion Coefficient ~35 × 10⁻⁶ /°C -
Corrosion Resistance Poor; oxidizes rapidly in air -
Magnetic Properties Paramagnetic -
Neutron Absorption Very high; higher than other elements Critical for nuclear applications
Ductility Poor; brittle structure -
Stability Unstable in air; oxidizes rapidly Must be stored under argon

SECTION 3: CHEMICAL PROPERTIES AND REACTIVITY

Parameter Information
Chemical Character Rare earth metal; lanthanide series; highly reactive; high neutron absorption capacity; paramagnetic; brittle structure
Stability Unstable in air; oxidizes very rapidly; Must be stored under inert atmosphere (argon gas); Reacts with moisture
Reactivity Reacts very rapidly with oxygen; Reacts with water; Reacts with halogens; Reacts with acids; Highly electropositive
Incompatible Materials Oxygen, air, moisture, water, halogens, acids, oxidizing agents
Oxidation Reaction 4Eu + 3O₂ → 2Eu₂O₃ (rapid oxidation in air)
Water Reaction 2Eu + 6H₂O → 2Eu(OH)₃ + 3H₂ (reacts with water)
Acid Reaction 2Eu + 6HCl → 2EuCl₃ + 3H₂ (reacts with acids)
Halogen Reaction 2Eu + 3F₂ → 2EuF₃ (reacts with halogens)
Special Property Very high neutron absorption capacity; More effective than other elements for neutron absorption
Storage Requirement Must be stored under argon gas or in sealed containers with inert atmosphere

SECTION 4: RARE EARTH ELEMENT COMPARISON TABLE

Property Europium (Eu) Gadolinium (Gd) Terbium (Tb) Explanation
Atomic Number 63 64 65 Lanthanide series
Atomic Weight 151.97 157.25 158.93 -
Density (g/cm³) 9.066 7.90 8.23 Europium is denser
Melting Point (°C) 1490 1313 1356 Higher melting point
Electron Configuration [Xe] 4f⁷ 6s² [Xe] 4f⁷ 5d¹ 6s² [Xe] 4f⁹ 6s² -
Oxidation States +2, +3 +3 +3, +4 Europium has +2 state
Neutron Absorption Very high Very high High All have high absorption
Reactivity Very high High High Europium is most reactive
Primary Use Nuclear, optical Nuclear, MRI Phosphors, nuclear -

SECTION 5: EUROPIUM METAL GRADES

Grade Purity (%) Form Application Areas
Eu-1 ≥ 99.99% Piece, ingot Nuclear reactors, high-purity research
Eu-2 ≥ 99.9% Piece, ingot Laser glass, optoelectronics
Eu-3 ≥ 99.5% Piece, ingot Fluorescent glass, general research
Eu-Distilled ≥ 99.99% Distilled pieces Quantum technology, high-purity applications

SECTION 6: FUNCTIONAL PROPERTIES AND MECHANISM OF ACTION

Property Explanation
Rare Earth Element Belongs to the lanthanide series. Has unique electronic configuration with 4f⁷ 6s² electrons.
Neutron Absorption Can absorb more neutrons than other elements. This makes it very valuable for nuclear applications. The cross-section for neutron capture is exceptionally high.
Optical Properties Used as a dopant in laser glasses and optoelectronic devices. Provides unique fluorescence properties.
Reactivity Reacts very rapidly with oxygen; therefore must be stored in inert atmosphere. Oxidation occurs even at room temperature.
Brittleness Has poor ductility; brittle structure. Cannot be easily shaped or formed.
Magnetic Properties Paramagnetic. Exhibits magnetic behavior due to unpaired 4f electrons.
Reducing Agent Acts as a strong reducing agent due to its highly electropositive nature.

SECTION 7: MAIN APPLICATION AREAS

Industry / Application Function Typical Use
Nuclear Reactors Neutron absorption Used in control rods because neutron absorption capacity is very high; Helps regulate nuclear reactions
Laser and Optoelectronics Dopant/additive Used as a dopant in some special glasses; Enhances optical properties
Fluorescent Glass Fluorescence production Used in the production of fluorescent glass; Provides unique luminescent properties
Quantum Technology Quantum memory Has been researched in quantum memory chips since 2015; Can be used in systems that store data for days
Phosphors Luminescence Used in phosphor production for displays and lighting
Biomedical Research Imaging and tracing Used in biological and medical research as a tracer
Chemical Research Catalysis Used as a catalyst in certain chemical reactions
Thin Film Deposition Coating Used in evaporation and sputtering processes for thin film deposition

SECTION 8: QUANTUM TECHNOLOGY APPLICATION (DETAILED)

Parameter Explanation
Research Started Since 2015
Application Area Quantum memory chips
Function Data storage for days
Mechanism Europium ions in crystalline matrices can store quantum information for extended periods
Advantage Long coherence times compared to other materials
Potential Future quantum computing and quantum communication systems

SECTION 9: QUALITY SPECIFICATIONS (EU-1 GRADE – ≥99.99%)

Parameter Specification Test Method
Appearance Silver-grey metallic piece form Visual
Purity (Eu) ≥ 99.99% AAS / ICP / GDMS
Oxygen (O) ≤ 0.05% LECO / Inert Gas Fusion
Nitrogen (N) ≤ 0.02% LECO / Inert Gas Fusion
Carbon (C) ≤ 0.02% Combustion / ICP
Iron (Fe) ≤ 0.01% AAS / ICP / GDMS
Silicon (Si) ≤ 0.01% AAS / ICP / GDMS
Aluminum (Al) ≤ 0.005% AAS / ICP / GDMS
Calcium (Ca) ≤ 0.01% AAS / ICP / GDMS
Magnesium (Mg) ≤ 0.005% AAS / ICP / GDMS
Other Rare Earths ≤ 0.01% ICP / GDMS
Form Piece, ingot Visual
Packaging Under argon gas in sealed containers -

SECTION 10: TOXICOLOGICAL PROFILE

Parameter Value
Acute Oral Toxicity Low toxicity (metallic form)
Acute Inhalation Toxicity Dust inhalation may cause irritation
Skin Irritation Metallic form is not irritating
Eye Irritation Metallic form is not irritating
Chronic Toxicity Rare earth compounds may show health effects with prolonged exposure
Carcinogenicity Not classified as carcinogenic
Mutagenicity Not classified as mutagenic
Target Organs Respiratory system (dust irritation)
Occupational Exposure Limit (8h TWA) 2.5 mg/m³ (rare earths, total dust)
Special Toxicity Note Metallic europium is relatively safe in solid form; Fine dust may cause respiratory irritation; Should be handled with appropriate dust control measures; Reactivity with moisture and air requires careful handling

SECTION 11: GHS CLASSIFICATION AND LABELING

GHS Classification (in compliance with CLP and UN GHS):

Hazard Class Category H-Statement
Pyrophoric Solids Category 2 H250 (optional)
Water-Reactive Substances Category 2 H261 (optional)
STOT - SE (Single Exposure) Category 3 H335 (optional)

Note: In bulk solid form, may be classified as hazardous due to reactivity. Fine powder is pyrophoric in air.

Signal Word: DANGER (optional) or WARNING (depending on classification)

Hazard Pictograms: GHS02 (Flammable), GHS07 (optional)

Hazard Statements (H-Codes) - if classified:

Code Statement
H250 Catches fire spontaneously if exposed to air
H261 In contact with water releases flammable gases
H335 May cause respiratory irritation

SECTION 12: PRECAUTIONARY STATEMENTS (P-CODES)

Code Statement
P222 Do not allow contact with air
P223 Keep away from water
P231 Handle under inert gas
P232 Protect from moisture
P261 Avoid breathing dust/fume/gas/mist/vapors/spray
P264 Wash hands thoroughly after handling
P280 Wear protective gloves/protective clothing/eye protection/face protection
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing
P312 Call a POISON CENTER/doctor if you feel unwell
P362+P364 Take off contaminated clothing and wash it before reuse
P403+P233 Store in a well-ventilated place. Keep container tightly closed
P501 Dispose of contents/container in accordance with local/regional/national/international regulations

SECTION 13: FIRST AID MEASURES

Exposure Route Action to Take
Inhalation Move to fresh air immediately. Keep at rest in a position comfortable for breathing. If symptoms persist, get medical attention.
Skin Contact Wash with plenty of soap and water. Remove contaminated clothing. If skin irritation occurs, get medical advice/attention.
Eye Contact Rinse immediately with plenty of water for at least 15 minutes. Keep eyelids open. Remove contact lenses. Continue rinsing. If eye irritation persists, get medical advice/attention.
Ingestion Rinse mouth with water. Do NOT induce vomiting. Drink plenty of water. If symptoms develop, get medical attention.

SECTION 14: FIRE-FIGHTING MEASURES

Parameter Information
Fire Hazard Pyrophoric in fine powder form; Spontaneously ignites in air; Reacts with water releasing flammable hydrogen gas
Hazards During Fire May release europium oxide fumes; Reacts violently with water; Risk of explosion if exposed to water
Suitable Extinguishing Media Dry chemical powder, sand, graphite powder, Class D extinguishers for metal fires
Unsuitable Extinguishing Media Water (violent reaction); CO₂ (limited effectiveness); Foam (limited effectiveness)
Special Protective Equipment Self-contained breathing apparatus (SCBA), full protective clothing
Special Precautions Do not use water; Keep containers sealed; Store under inert gas; Evacuate area

SECTION 15: STORAGE AND SHELF LIFE

Parameter Information
Storage Conditions Must be stored under argon gas or other inert atmosphere; Sealed containers; Dry environment; Away from oxidizing agents
Container Requirements Sealed glass ampoules or metal containers with inert gas; Containers must be airtight
Materials to Protect From Air, oxygen, moisture, water, acids, halogens, oxidizing agents
Shelf Life Limited; Product quality may degrade over time due to oxidation; Typically 1-2 years under proper storage
Stability Note Very reactive in air; Oxidation occurs rapidly even at room temperature; Must be stored under argon

SECTION 16: PACKAGING OPTIONS

Packaging Type Quantity Material
Glass Ampoule 5-50 g Sealed glass ampoule under argon
Metal Canister 50-500 g Sealed metal canister under argon
Sealed Container Custom quantities Metal or glass with inert gas
Special Packaging Custom quantities Customer-specified requirements

SECTION 17: TRANSPORT INFORMATION

Parameter Information
UN Number 3208 (Metallic substance, water-reactive, n.o.s.)
Hazard Class 4.3 (Dangerous when wet)
Packing Group II
ADR/RID 4.3, PG II
IMDG Code 4.3, PG II
IATA (Air) 4.3, PG II
Marine Pollutant May be considered hazardous
Transport Temperature Ambient temperature; Must be protected from moisture and air
Special Precautions Must be shipped under inert gas; Must be properly sealed

SECTION 18: OTHER NAMES AND SYNONYMS

Type Name
Turkish Names Europium Metali, Avrupa Metali, Seryum Metali (confusion caution)
English Names Europium Metal, Metallic Europium, Elemental Europium
German Names EuropiumMetall, Metallisches Europium
French Names Métal de Europium, Europium Métallique
Spanish Names Metal de Europio, Europio Metálico
Chemical Names Europium (elemental form); Europium metal
CAS Number 7440-53-1
Atomic Symbol Eu
Atomic Number 63

SECTION 19: SUMMARY TABLE

Parameter Value
Product Europium Metal (Metallic Europium)
CAS Number 7440-53-1
Atomic Number 63
Atomic Weight 151.97 g/mol
Appearance Silver-grey metallic piece form
Density 9.066 g/cm³
Melting Point 1490°C
Boiling Point 1527°C
Hardness (Mohs) ~1.5-2.0
Crystal Structure Body-Centered Cubic (BCC)
Primary Function Rare earth metal; neutron absorber; optical dopant
Main Applications Nuclear reactors, laser glass, optoelectronics, fluorescent glass, quantum technology
Shelf Life 1-2 years (limited)
GHS Signal Word DANGER (optional, reactive)
UN Number 3208
Special Features Very high neutron absorption; Rapid oxidation in air; Must be stored under argon; Brittle structure

SECTION 20: CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

  1. Highly reactive material that oxidizes very rapidly in air. Must be stored under argon gas at all times.

  2. Pyrophoric in fine powder form - spontaneously ignites in air. Avoid creating fine dust.

  3. Reacts violently with water - releases flammable hydrogen gas. Keep away from moisture.

  4. Brittle structure - poor ductility, easily fractures. Handle with care.

  5. Neutron absorption is very high - valuable for nuclear applications but requires specialized handling.

  6. Limited shelf life - product quality may degrade over time due to oxidation.

  7. Storage requirement - sealed containers with argon gas; airtight packaging is essential.

  8. Incompatibilities: Air, oxygen, moisture, water, halogens, acids, oxidizing agents.

BEST PRACTICE RECOMMENDATIONS:

9. Storage:
Must be stored under argon gas or other inert atmosphere. Use sealed glass ampoules or metal containers. Ensure containers are completely airtight. Store in cool, dry environment.

10. Handling:
Always handle under inert atmosphere (argon glove box). Avoid exposure to air and moisture. Wear appropriate personal protective equipment.

11. Nuclear Applications:
Use high-purity grade (≥99.99%) for nuclear reactor control rods. Ensure proper certification and quality control.

12. Optical Applications:
Use appropriate grade for laser glass and optoelectronic devices. Purity requirements vary by application.

13. Quantum Technology:
Use distilled or ultra-high purity (≥99.99%) for quantum memory applications. Proper crystal growth conditions required.

14. Personal Protective Equipment:
Use safety goggles, protective clothing, protective gloves (nitrile, neoprene), NIOSH approved dust mask (if dust is present), and inert atmosphere glove box for handling.

15. Fire Safety:
DO NOT USE WATER. Use dry chemical powder, sand, or Class D extinguishers. Evacuate area immediately.

16. Spill Response:
Do not allow contact with air or moisture. Use inert atmosphere recovery methods. Place in sealed container. Contact specialized disposal services.

17. Disposal:
Dispose in accordance with local, regional and national regulations. Contact licensed waste disposal services for rare earth metals.

SPECIAL HANDLING GUIDE:

Activity Requirement
Receiving Check sealed containers; Verify inert atmosphere; Inspect for damage
Opening Open only in argon glove box; Prepare work area
Weighing Use closed system; Perform under inert atmosphere
Packaging Seal immediately with argon; Use airtight containers
Storage Maintain argon atmosphere; Monitor for leaks
Transport Ship under inert gas; Special labeling required

RECOMMENDED STORAGE CONDITIONS:

Parameter Requirement
Storage Temperature Ambient (15-25°C)
Atmosphere Argon gas (≥99.999%)
Humidity <1% relative humidity
Container Glass ampoule or sealed metal canister
Monitoring Regular inspection for container integrity
Location Cool, dry, well-ventilated area separate from incompatible materials

LEGAL DISCLAIMER:

The information provided in this document is based on our current knowledge and experience and is provided in good faith; however, since all conditions of use are beyond our control, it does not constitute a binding specification or warranty. This Technical Data Sheet is for informational purposes only. Users are responsible for testing suitability for their own applications. For complete safety, storage, use, handling, disposal and regulatory compliance information, reference should be made to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier.

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