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Send EmailNeodymium 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.