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Neodymium Titanate, NdTiO Ceramic, Piezo Ceramic Additive

Neodymium Titanate, NdTiO Ceramic, Piezo Ceramic Additive

NEODYMIUM TITANATE (ND₂TI₂O₇)
NEODYMIUM TITANATE / NDTIO CERAMIC / PIEZO CERAMIC ADDITIVE
1. PRODUCT IDENTIFICATION AND CHEMICAL IDENTITY

Parameter Information
Product Name Neodymium Titanate
Chemical Name Neodymium Titanate, Neodymium Titanium Oxide
Other Names NdTiO Ceramic, Piezo Ceramic Additive, Titanium-Based Neodymium Compound
Chemical Formula Nd₂Ti₂O₇
CAS Number 12031-94-2
EC Number (EINECS) None (considered as a mixture)
Appearance White-gray ceramic powder or sintered disk
Odor Odorless
Physical State (20°C) Solid (powder or sintered ceramic)

2. CHEMICAL STRUCTURE
2.1. Molecular Structure
Neodymium titanate is an oxide compound of the rare earth element neodymium and titanium. It has the formula Nd₂Ti₂O₇ and can exist in pyrochlore or perovskite-like crystal structures. It exhibits high dielectric constant and may show piezoelectric and ferromagnetic properties. It has excellent thermal stability at high temperatures and is used in electronic ceramic applications.

Structural Features:

                    NEODYMIUM TITANATE [Nd₂Ti₂O₇]
                          |
                Nd₂Ti₂O₇ Pyrochlore / Perovskite Structure
                          |
        +----------------+----------------+
        |                |                |
    High              Piezoelectric   Ferromagnetic
    Dielectric        Properties      Properties
    Constant         (Sensor, Actuator) (Optional)

2.2. Structural Properties

Parameter Value
Crystal Structure Pyrochlore / Perovskite-like
Chemical Formula Nd₂Ti₂O₇
Molecular Weight ~585.8 g/mol
Density ~6.5 g/cm³
Appearance White-gray ceramic powder or sintered disk
Melting Point >1500 °C (sintering temperature)
Dielectric Constant High (~100–300)

3. PHYSICAL AND CHEMICAL PROPERTIES

Property Value Description
Appearance White-gray ceramic powder or sintered disk Varies depending on particle size
Odor Odorless -
Chemical Formula Nd₂Ti₂O₇ -
Molecular Weight ~585.8 g/mol -
Density ~6.5 g/cm³ -
Melting Point >1500 °C Sintering temperature
Solubility in Water (25°C) Insoluble -
Solubility in Acids Limited solubility -
Solubility in Alcohol Insoluble -
Dielectric Constant ~100–300 Varies with frequency
Piezoelectric Properties May exhibit Depends on crystal structure
Ferromagnetic Properties May exhibit Optional, depends on structure
Thermal Stability Stable at high temperatures Stable up to >1500°C

4. STABILITY AND REACTIVITY

Parameter Information
Chemical Stability Thermally stable at high temperatures; inert under normal conditions.
Conditions to Avoid Strong acids, highly reducing environments.
Incompatible Materials Strong acids, strong reducing agents.
Hazardous Decomposition Products Upon oxidation at high temperatures: neodymium oxide (Nd₂O₃) and titanium oxide (TiO₂).
Hazardous Polymerization Will not occur.
Hygroscopicity Low; does not absorb moisture under normal conditions.

4.1. Chemical Reactions

  • Thermal Stability: Nd₂Ti₂O₇ is stable up to >1500°C; may decompose to oxides at higher temperatures.

  • Reaction with Acids: Shows limited solubility in strong acids.

5. PRODUCTION PROCESS

Stage Process Description
1. Raw Material Preparation Neodymium oxide (Nd₂O₃) and titanium dioxide (TiO₂) High purity powders obtained
2. Mixing Nd₂O₃ and TiO₂ mixed in stoichiometric ratios Ball mill / mixer
3. Solid State Reaction Mixture sintered at high temperature >1500°C, controlled atmosphere
4. Milling Sintered material milled Achieve desired particle size
5. Sintering (Optional) Powder sintered into disk or shape High temperature densification
6. Quality Control Phase analysis and property testing XRD, SEM, dielectric measurements
7. Packaging Packaged in moisture-proof containers -

5.1. Major Producing Countries and Companies

Country Companies
China Various rare earth producers
Japan Advanced ceramic producers
Germany Solvay, Alfa Aesar
USA Sigma-Aldrich, Alfa Aesar

6. APPLICATION AREAS
6.1. Electronics and Telecommunications

Application Function Details
Piezoelectric Ceramics Sensors and actuators Used in high-performance piezoelectric devices.
Dielectric Resonators RF filtering Used in high-frequency telecommunications circuits.
Capacitors and Filters Microelectronic circuits As low-loss dielectric material.
RF Components Signal processing Used in telecommunications systems.
Surface Acoustic Wave (SAW) Devices Frequency control Signal processing and filtering.

6.2. Defense and Medical

Application Function Details
Radar Systems Signal processing Used in defense electronics.
Sonar Systems Acoustic detection Submarine and underwater applications.
Ultrasonic Sensors Medical imaging Used in diagnostic equipment.

6.3. Energy and Battery Applications

Application Function Details
Lithium-Ion Battery Additive Performance improvement Used in some variants.

6.4. Sectoral Suitability Table

Sector Suitability Explanation
Electronics Suitable RF circuits, capacitors, filters
Defense Suitable Radar and signal processing systems
Medical Suitable Ultrasonic sensors and imaging
Telecommunications Suitable High-frequency circuits
Microelectronics Suitable Low-loss dielectric materials
Automotive Limited Limited use in sensor modules
Food Not Suitable Not suitable
Textile Not Suitable Not suitable

7. ALTERNATIVE / SUBSTITUTE PRODUCTS

Alternative Description When to Use
Barium Titanate (BaTiO₃) Common piezoelectric ceramic Low-cost, widespread applications
Lead Zirconate Titanate (PZT) High-performance piezoelectric High-performance applications
Lanthanum Titanate (La₂Ti₂O₇) Similar dielectric properties Alternative rare earth compound
Samarium Titanate (Sm₂Ti₂O₇) Alternative rare earth variant Different dielectric properties

8. COMPARISON WITH OTHER MATERIALS

Property Nd₂Ti₂O₇ BaTiO₃ PZT
Dielectric Constant High (~100-300) Medium (~1000-5000) High (~1000-4000)
Piezoelectric Coefficient Medium Low-Medium High
Thermal Stability Excellent (>1500°C) Good Medium
Environmental Friendliness High (Lead-free) High Low (Contains Lead)
Cost High Low Medium
Application Area Specialty high-frequency Common dielectric High-performance piezoelectric

9. SAFETY AND TOXICOLOGY

Parameter Value
Acute Oral Toxicity (LD50, Rat) > 2,000 mg/kg (low toxicity)
Dermal Toxicity Low
Skin Irritation Mild irritant
Eye Irritation Mild to moderate irritant
Inhalation Dust inhalation may cause respiratory tract irritation.
Carcinogenicity Not classified as carcinogenic.
Mutagenicity Not mutagenic.
Chronic Effects Long-term data on rare earth and titanium compounds is limited.
Environmental Hazards Low to moderate aquatic toxicity.

9.1. GHS Classification

Hazard Class Category H-Statement
Skin Irritation Category 2 H315: Causes skin irritation.
Eye Irritation Category 2A H319: Causes serious eye irritation.
Specific Target Organ Toxicity Category 3 H335: May cause respiratory irritation.

Signal Word: WARNING

Hazard Pictograms: GHS07 (Exclamation Mark)

10. STORAGE AND SHELF LIFE

Parameter Condition
Storage Conditions Store in a cool, dry, and well-ventilated area.
Container Requirements Moisture-proof, tightly closed containers.
Temperature Room temperature (15-25°C).
Shelf Life Unlimited under appropriate conditions (due to stable ceramic structure).
Stability Note Stable under normal conditions; keep away from acids.

11. PACKAGING OPTIONS

Packaging Type Quantity Material
Plastic Bag 100 g, 500 g, 1 kg, 5 kg Moisture-proof, sealed bag
Plastic Drum 10 kg, 25 kg HDPE drum, moisture-proof
Sintered Disk/Shape Custom sizes Protective packaging

12. TRANSPORT INFORMATION

Parameter Information
UN Number Not classified
Hazard Class -
Packing Group -
ADR/RID Not regulated
IMDG Not regulated
IATA Not regulated
HS Code 2846.90.00.00.00 (Rare earth compounds)

13. REGULATORY STATUS

Region / Authority Status
European Union (REACH) Generally not registered; used in special applications
Turkey (KKDIK) Compliance required
TSCA (USA) Registered
China Registered; major production and export country

14. OTHER NAMES AND SYNONYMS

Name Description
Nd₂Ti₂O₇ Chemical formula
NdTiO Ceramic Commercial name
Piezo Ceramic Additive Application description
Titanium-Based Neodymium Compound Descriptive name
Neodymium Titanate English name
Neodymium Titanium Oxide Alternative name

Database Identifiers:

  • CAS: 12031-94-2

  • HS Code: 2846.90.00.00.00

15. QUICK REFERENCE TABLE

Property Value
CAS Number 12031-94-2
Chemical Formula Nd₂Ti₂O₇
Molecular Weight ~585.8 g/mol
Appearance White-gray ceramic powder or sintered disk
Density ~6.5 g/cm³
Melting Point >1500 °C
Dielectric Constant ~100–300
HS Code 2846.90.00.00.00

16. CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

  • High Temperature Stability: Nd₂Ti₂O₇ is stable up to >1500°C; suitable for high-temperature ceramic applications.

  • Dielectric Properties: Dielectric constant varies with frequency; characterization is required for RF applications.

  • Piezoelectric Properties: Depends on crystal structure; proper synthesis conditions are required for desired properties.

  • Lead-Free Material: Environmentally friendly alternative; can replace lead-containing materials such as PZT.

  • Powder Hazard: Powder form may cause respiratory tract irritation; appropriate dust control measures must be taken.

BEST PRACTICE RECOMMENDATIONS:

  • Storage:

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

    • Use moisture-proof containers.

    • Keep away from acids and reducing agents.

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

  • Handling:

    • If in powder form, use in well-ventilated areas.

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

    • Avoid dust formation and inhalation.

    • Wash hands thoroughly after handling.

    • Use controlled atmosphere for sintering processes.

  • Waste Management:

    • Dispose of in accordance with local regulations.

    • Do not discharge into water sources.

    • For large quantities, rare earth recovery should be considered.

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. Neodymium titanate is a specialty material for electronic ceramic applications, notable for its high-temperature stability and dielectric properties; caution should be taken against inhalation of powder form.

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