NEODYMIUM(III) OXIDE

Neodymium(III) oxide is a light bluish-grey to pale violet-blue, odourless, inorganic rare earth compound with chemical formula Nd₂O₃, molecular weight 336.48 g/mol, CAS number 1313-97-9, EC number 215-214-1, density 7.24 g/cm³, melting point 2,233°C, boiling point 3,760°C, magnetic susceptibility +10,200.0×10⁻⁶ cm³/mol (paramagnetic), and hexagonal crystal structure (space group P-3m1, No. 164, hP5); it is the sesquioxide of the lanthanide element neodymium (Nd, atomic number 60), in which Nd is in the +3 oxidation state, and exists in three polymorphic forms — trigonal A-form (low temperature, P3m1), hexagonal H-form (P6₃/mmc), and cubic X-form (Im3m, high temperature) — with the A-form favoured by the early lanthanides at ambient conditions.
Neodymium(III) oxide is one of the most commercially significant rare earth oxides, produced at approximately 7,000 tonnes per year globally; it is the essential precursor and raw material for neodymium-iron-boron (NdFeB) permanent magnets — the strongest permanent magnets known, used in electric vehicle motors, wind turbine generators, hard disk drives, and consumer electronics — and is used as a glass and ceramic colorant (imparting violet to purple hues by absorbing yellow-green light), as a dopant in solid-state Nd:YAG and Nd:YVO₄ laser crystals, and as a catalyst in polymerisation reactions.
Neodymium(III) oxide is classified under GHS with Signal Word Warning (H319 causes serious eye irritation; H335 may cause respiratory irritation; H402 harmful to aquatic life); UN number 3077; it is slightly hygroscopic and slowly absorbs CO₂ from air forming basic carbonate; it is not classified as carcinogenic or mutagenic; oral LD50 in rats >5,000 mg/kg indicating very low acute toxicity; storage requires moisture-proof, sealed containers under inert atmosphere or vacuum for extended shelf life.

CAS Number: 1313-97-9
EC Number: 215-214-1
Molecular Formula: Nd₂O₃
Molecular Weight: 336.48 g/mol

Synonyms: Neodymium oxide, Neodymium sesquioxide, Neodymia, Neodymium trioxide, Dineodymium trioxide, Neodymium(3+) oxide, Neodymium oxide (Nd₂O₃), NEODYMIUM OXYDATUM, dineodymium(3+) trioxidandiide, neodymium(3+);oxygen(2-), AYT3H319PN, DTXSID2051479, SCCHEMBL28303, MFCD00011134, RefChem:58165, EINECS 215-214-1, CAS 1313-97-9

Neodymium Oxide has the chemical formula Nd₂O₃ and belongs to the rare-earth metal oxides.
With a molar mass of approximately 336.48 g/mol, Neodymium Oxide contains neodymium in the +3 oxidation state.

Neodymium Oxide normally appears as a pale blue, bluish-violet or lavender-colored powder.
The characteristic color of Neodymium Oxide can vary slightly depending on purity and particle size.

Water does not readily dissolve Neodymium Oxide under ordinary conditions.
Mineral acids can dissolve Neodymium Oxide and produce corresponding neodymium salts.

Neodymium Oxide may occur in hexagonal and cubic crystalline structures.
Temperature and preparation conditions influence the crystal phase of Neodymium Oxide.

Exposure to air allows Neodymium Oxide to gradually absorb moisture and carbon dioxide.
Careful storage helps Neodymium Oxide maintain consistent chemical and physical properties.

Glass manufacturers use Neodymium Oxide to produce distinctive violet, purple, red or gray shades.
The color generated by Neodymium Oxide changes according to glass composition and lighting conditions.

Neodymium Oxide can remove the yellow-green tint caused by iron impurities in glass.
Decorative glass, protective lenses and specialty filters may contain Neodymium Oxide as a coloring component.

Strong and selective light absorption makes Neodymium Oxide valuable in optical filter production.
Glasses containing Neodymium Oxide display different colors under natural and artificial light.

Laser-grade glass and crystals use Neodymium Oxide as a source of neodymium ions.
The neodymium ions supplied by Neodymium Oxide support laser emission near the infrared region.

Neodymium Oxide contributes to the production of Nd:YAG and other neodymium-doped laser materials.
Medical, industrial and scientific laser systems can incorporate materials prepared with Neodymium Oxide.

Ceramic formulations use Neodymium Oxide to modify color, electrical behavior and thermal performance.
Neodymium Oxide can participate in the manufacture of specialized ceramic capacitors and electronic components.

Catalyst developers investigate Neodymium Oxide for reactions involving oxidation, hydrogenation and petroleum processing.
The surface properties of Neodymium Oxide influence its behavior as a catalyst or catalyst support.

Neodymium Oxide can improve the thermal stability and functional performance of selected catalytic materials.
Mixed oxides containing Neodymium Oxide attract interest for environmental and energy-related reactions.

Production of neodymium metal may begin with purified Neodymium Oxide as an intermediate raw material.
Neodymium Oxide therefore plays an indirect role in manufacturing high-strength neodymium–iron–boron magnets.

Permanent magnets derived from Neodymium Oxide are widely used in motors, generators, speakers and electronic devices.
Wind turbines and electric vehicles increase industrial demand for materials produced from Neodymium Oxide.

Calcination of neodymium oxalate, carbonate or hydroxide can produce Neodymium Oxide.
Processing temperature affects the particle size, surface area and crystallinity of Neodymium Oxide.

High-purity Neodymium Oxide is preferred for optical, electronic and advanced ceramic applications.
Commercial Neodymium Oxide grades may differ in purity, particle distribution and trace-element content.

Nanostructured Neodymium Oxide provides a larger surface area than many conventional powder grades.
Researchers study nanoscale Neodymium Oxide for sensing, catalysis, photonics and advanced materials.

Neodymium Oxide can be combined with other rare-earth oxides to create materials with tailored properties.
Controlled compositions containing Neodymium Oxide enable adjustments in optical absorption, refractive index and color.

Recycling neodymium-containing magnets can provide a secondary source for producing Neodymium Oxide.
Recovery processes separate and purify Neodymium Oxide from complex mixtures of rare-earth elements.

Uses of Neodymium(III) Oxide:
Neodymium(III) oxide is the primary raw material for NdFeB (neodymium-iron-boron) permanent magnet production — the world's strongest class of permanent magnets — via electrolytic reduction of Nd₂O₃ in molten neodymium fluoride salts to produce neodymium metal or NdFe master alloy, which is then alloyed with iron and boron and processed into sintered or bonded NdFeB magnets used in electric vehicle traction motors, wind turbine generators, industrial servo motors, aerospace actuators, hard disk drive voice coil motors, loudspeakers, and consumer electronics.
Neodymium(III) oxide is used as a glass and ceramic colorant and glass-modifying additive; at 1–2% addition it imparts an aqua/blue colour in most glaze bases; at 4–7% it produces pleasant lavender/grape colours showing strong dichroism under different light sources; neodymium-doped glass transmits approximately 90% of blue, green, and red light rays while absorbing yellow-green light, turning glass purple, and is used in welding goggle lenses, sunglasses, and alexandrite-effect glass (blue in sunlight, red in artificial light).
Neodymium(III) oxide is used as a dopant precursor for Nd:YAG (neodymium-doped yttrium aluminium garnet) and Nd:YVO₄ solid-state laser crystals — the most widely used solid-state laser systems — which emit at 1,064 nm (infrared) or frequency-doubled to 532 nm (green) for applications in industrial cutting, welding, and marking; medical procedures (ophthalmology, dermatology, dentistry); laser rangefinders; and LIDAR systems.
Neodymium(III) oxide is used as a polymerisation catalyst and catalyst support, particularly in diene polymerisation (producing high-cis polybutadiene and polyisoprene rubber), as a dehydrogenation catalyst, in nitrogen decomposition, in oxidative coupling of methane, and in high-temperature catalytic processes; it is also used as a rubber additive.
Neodymium(III) oxide is used in the production of multilayer ceramic capacitors (MLCC) and ceramic capacitor dielectrics, where it improves dielectric constant, temperature stability, and electrical performance; it is used in electroceramics, solid oxide fuel cell (SOFC) electrode materials, and as a component of high-temperature ceramics and superconductors.
Neodymium(III) oxide is used as a dopant for Nd:glass laser amplifiers and as an additive in UV-absorbing solar control glass, infrared filter glass, and optical precision lenses; as a glass decoloriser for iron-bearing glass; and as a component in glass frits, enamels, and ceramic pigments (producing violet-red-blue hues with excellent transparency).
Neodymium(III) oxide is added to magnesium and aluminium alloys to improve high-temperature mechanical performance, creep resistance, corrosion resistance, and airtightness for aerospace structural applications; it is also used in petroleum and environmental protection catalysts, rare earth fertilisers, polishing powders, and as a starting material for the synthesis of other neodymium(III) compounds including neodymium chloride, nitrate, fluoride, and carbonate.
Neodymium(III) oxide is under investigation for biomedical applications including targeted drug delivery systems, bioimaging contrast agents, and cancer cell cytotoxicity studies (Nd₂O₃ showed dose-dependent effects on HepG-2 liver cancer and A-549 lung cancer cells via ROS generation and genotoxicity pathways); it is also used in dye-sensitised solar cells (DSSC) to improve power conversion efficiency.

Benefits and Advantages of Neodymium(III) Oxide:
Neodymium(III) oxide is the sole commercially viable precursor for NdFeB permanent magnets, which have the highest energy product (BH)max of any permanent magnet class (up to 59 MGOe), enabling miniaturisation of electric motors and generators that drives the global transition to electric vehicles and renewable energy — making Nd₂O₃ a strategic critical material for the energy transition.
The dichroic optical property of neodymium-doped glass — absorbing yellow-green (580 nm) selectively while transmitting blue, green, and red — makes it unique among glass colorants; this property is exploited both practically (welding goggles filtering sodium flare) and aesthetically (alexandrite glass, decorative ceramics with colour-changing appearance).
Neodymium(III) oxide combines high thermal stability (melting point 2,233°C), very low water solubility (0.0003 g/100 mL at 75°C), chemical inertness under ambient conditions, and excellent compatibility with host lattice materials (YAG, YVO₄, glass) making it a versatile rare earth additive with minimal processing degradation across a wide range of industrial host materials.
High-purity Nd₂O₃ (≥99.9% to ≥99.999%) is available with customisable particle sizes (nano to >500 mesh), morphologies (spherical, fibrous, rod-like), and specific surface areas, enabling tailored performance across laser crystal growth, nanoparticle synthesis, thin film deposition, and precision ceramics applications without changes to the base compound supply.

Features of Neodymium(III) Oxide:
Neodymium(III) oxide appears as a light bluish-grey to pale violet-blue powder or hexagonal crystals; it is odourless; colour intensity varies with particle size and preparation; vapour density 11.6; the powder turns darker blue on contact with water; density 7.24 g/cm³; specific heat capacity 111.3 J·mol⁻¹·K⁻¹; standard molar entropy S°₂₉₈ = 158.6 J·mol⁻¹·K⁻¹; standard enthalpy of formation ΔfH°₂₉₈ = −1,807.9 kJ·mol⁻¹.
Neodymium(III) oxide is practically insoluble in water (0.00019 g/100 mL at 20°C; 0.0003 g/100 mL at 75°C) and insoluble in alcohol; it is readily soluble in dilute mineral acids forming neodymium(III) salts: Nd₂O₃ + 6HCl → 2NdCl₃ + 3H₂O; Nd₂O₃ + 6HNO₃ → 2Nd(NO₃)₃ + 3H₂O; it is slightly hygroscopic and slowly absorbs moisture and CO₂ from air forming Nd(OH)₃ and Nd₂(CO₃)₃·3H₂O over time.
The A-form crystal structure (space group P-3m1, No. 164, hP5, hexagonal) is the stable low-temperature form; at higher temperatures it transitions sequentially to the H-form (hexagonal, P6₃/mmc) and the X-form (cubic, Im3m); high-temperature forms exhibit crystallographic disorder; the material is paramagnetic with magnetic susceptibility +10,200.0×10⁻⁶ cm³/mol.
Neodymium(III) oxide is thermally stable with no hazardous decomposition under normal conditions; it is not electrically conductive in bulk form; it has good insulation properties and high dielectric constant useful in electronic applications; it is non-flammable and non-explosive; it can be synthesised as nanoparticles (<10 nm), fibrous particles, rods, and thin films by hydrothermal synthesis, soft chemistry routes, and dip coating.

Chemical Properties of Neodymium(III) Oxide:
Neodymium(III) oxide has IUPAC name neodymium(III) oxide (or dineodymium(3+) trioxidandiide), molecular formula Nd₂O₃ (O₃Nd₂), molecular weight 336.48 g/mol, exact mass calculated from isotopes; SMILES [O--].[O--].[O--].[Nd+3].[Nd+3]; InChIKey PLDDOISOJJCEMH-UHFFFAOYSA-N; PubChem CID 4196641; ChemSpider 3407022; ECHA InfoCard 100.013.832; MDL MFCD00011134; theoretical composition Nd 85.70%, O 14.30% by weight.
Neodymium(III) oxide is a basic oxide that reacts with acids to form neodymium(III) salts; it reacts slowly with atmospheric CO₂ and moisture forming basic carbonates; it is compatible with yttrium aluminium garnet (YAG), yttrium vanadate (YVO₄), and borosilicate glass host lattices for laser and optical applications without chemical incompatibility; it is incompatible with strong oxidising agents (halogens) and reducing agents at elevated temperatures; no hazardous polymerisation occurs.
The electrolytic production of neodymium metal from Nd₂O₃ uses molten neodymium fluoride electrolyte; iron anodes promote electrochemical dissolution and in-situ generation of iron fluoride (FeFₓ) as a fluorinating agent that continuously converts Nd₂O₃ feed to neodymium fluoride (NdF₃), avoiding perfluorocarbon (PFC) gas evolution at the anode; the cathode product is a NdFe master alloy directly usable for NdFeB magnet production.
The thermochemistry of Nd₂O₃ is well characterised: heat capacity Cp = 111.3 J·mol⁻¹·K⁻¹; ΔfH°₂₉₈ = −1,807.9 kJ·mol⁻¹ (strongly exothermic formation from elements); S°₂₉₈ = 158.6 J·mol⁻¹·K⁻¹; the compound is formed by calcination of neodymium oxalate, carbonate, hydroxide, or nitride at 800–900°C.

Production of Neodymium(III) Oxide:
Neodymium(III) oxide is produced commercially from rare earth-bearing ores — principally bastnäsite (Ce,La,Nd,Pr)CO₃F from China (Mountain Pass-type deposits) and monazite (Ce,La,Nd,Th)PO₄ from Australia, Brazil, India, and China — by a multi-stage hydrometallurgical process: ore crushing and beneficiation → acid digestion (HCl or H₂SO₄) or alkaline decomposition (NaOH) → solvent extraction using organophosphorus extractants (D2EHPA, Cyanex 272) to separate Nd from co-occurring La, Ce, Pr, Sm → precipitation as neodymium oxalate or carbonate → filtration and washing → calcination at 800–900°C to form Nd₂O₃ → grinding and classification to target particle size distribution.
Alternative synthesis routes for research and specialty applications include: hydrothermal synthesis from neodymium salt solutions (producing nanorods, fibres, or spherical nanoparticles <10 nm at controlled temperature and time); calcination of neodymium(III) hydroxide or neodymium(III) nitride in air; and soft chemistry (sol-gel, co-precipitation) routes to hexagonal Nd₂O₃ with nanoscale grains; dip coating from neodymium alkoxide precursors produces thermally stable thin film coatings on various substrates.
Neodymium(III) oxide is commercially available in multiple purity grades: Technical (≥99.0%), High Purity (≥99.9%, 3N), Analytical (≥99.99%, 4N), and Ultra High Purity (≥99.999%, 5N); particle sizes range from nanopowder (<10 nm, <100 nm) to standard powder (1–10 µm D50), coarse powder (−20 to −500 mesh), pellets, pieces, and sputtering targets; packaging is typically vacuum-sealed or under inert gas (N₂ or Ar) in moisture-resistant containers with 24-month shelf life under proper storage.

Neodymium(III) Oxide Material Safety Data Sheet (MSDS):

Handling of Neodymium(III) Oxide:
Neodymium(III) oxide dust may cause eye irritation (H319) and respiratory irritation (H335); avoid breathing dust and fumes; use only in well-ventilated areas or with local exhaust ventilation; wear protective gloves, eye protection, and face protection (P280); do not eat, drink, or smoke during handling (P261); wash hands thoroughly after handling (P264).
Store in sealed, moisture-proof containers; the material is slightly hygroscopic and slowly absorbs CO₂ from air; for precision applications requiring exact stoichiometry, dry the material at 900°C before use to remove absorbed moisture and carbonate; packaging under vacuum or inert gas (N₂ or Ar) is recommended for extended storage.

Neodymium(III) Oxide SDS:

Stability and Reactivity of Neodymium(III) Oxide:

Chemical stability:
Neodymium(III) oxide is stable under normal ambient conditions.
Neodymium(III) oxide is slightly hygroscopic; slow absorption of atmospheric moisture and CO₂ forms Nd(OH)₃ and basic carbonates over time, which may affect performance in precision applications — seal containers tightly and store under inert atmosphere.

Reactivity:
Neodymium(III) oxide reacts with dilute mineral acids (HCl, HNO₃, H₂SO₄) to dissolve and form neodymium(III) salts with water evolution.
Neodymium(III) oxide is incompatible with halogens, strong reducing agents at elevated temperatures; no violent or hazardous reactions under normal handling.

Conditions to avoid:
High humidity and prolonged CO₂ exposure (hygroscopic degradation, carbonate formation).
Contact with strong acids (dissolution with heat evolution).
Reducing agents at elevated temperatures.

Incompatible materials:
Strong acids (dissolution reaction).
Halogens.
Strong reducing agents at elevated temperatures.

Hazardous decomposition products:
No hazardous decomposition products under normal conditions or extreme heat.
May release neodymium-containing particulates at very high temperatures.

Handling and Storage of Neodymium(III) Oxide:

Handling:
Use only in well-ventilated areas or under local exhaust ventilation; avoid dust generation.
Wear protective gloves, safety goggles, and face shield.
Avoid breathing dust and fumes; use P2 (EU) or P95 (US) particulate respirator where dust cannot be controlled.
Do not eat, drink, or smoke in work areas; wash hands thoroughly after handling.

Storage:
Store in a cool, dry, well-ventilated area at room temperature (15–25°C).
Store in vacuum-sealed or inert gas (N₂ or Ar) atmosphere, moisture-resistant containers for extended shelf life.
Shelf life: 24 months under proper conditions (protected from CO₂ and moisture).
Avoid storage near strong acids and reducing agents.
UN Number: 3077 (Environmentally hazardous substance, solid); Hazard Class 9; Packing Group III.

First Aid Measures for Neodymium(III) Oxide:

Inhalation:
Move the affected person to fresh air and keep comfortable for breathing (P304+P340).
If symptoms develop or persist, consult a physician.

Skin contact:
Wash with plenty of soap and water; remove contaminated clothing.
If irritation develops, consult a physician.

Eye contact:
Rinse cautiously with water for several minutes; remove contact lenses if present and easy to remove; continue rinsing (P305+P351+P338).
If eye irritation persists, seek medical attention (P337+P313).

Ingestion:
Rinse the mouth with water; do not induce vomiting; drink plenty of water.
If a large quantity has been ingested, seek medical attention.

Firefighting Measures for Neodymium(III) Oxide:

Suitable extinguishing media:
Neodymium(III) oxide is non-combustible; use extinguishing media appropriate to surrounding fire.

Specific hazards:
Neodymium(III) oxide does not present fire or explosion hazards; it is not flammable and does not support combustion.

Protective equipment for firefighters:
Standard fire-fighter protective equipment; SCBA if significant dust clouds are present.

Accidental Release Measures for Neodymium(III) Oxide:

Personal precautions:
Prevent dust generation; wear appropriate respiratory protection (P2/P95 particulate filter) if fine powder is dispersed.

Environmental precautions:
Neodymium(III) oxide is harmful to aquatic life (H402); prevent fine powder from entering water courses or sewers in large quantities.

Clean-up methods:
Sweep or vacuum carefully to avoid dust generation; collect in sealed, labelled containers.
Dispose of collected waste in accordance with local regulations for rare earth oxide materials.

Exposure Controls / Personal Protective Equipment for Neodymium(III) Oxide:

Engineering controls:
Local exhaust ventilation or work in a fume hood for dusty operations; wet processing where applicable.
No specific occupational exposure limit established; treat as an insoluble nuisance dust (general OEL: 10 mg/m³ inhalable, 3 mg/m³ respirable fraction where applicable).

Eye protection:
Safety goggles or glasses; equipment tested and approved under EN 166 (EU) or NIOSH (US).

Hand protection:
Chemical-resistant gloves; inspect before use.

Skin and body protection:
Standard laboratory coat or chemical-resistant protective clothing.

Respiratory protection:
P2 (EU EN 143) or P95 (US) particle filter respirator for dusty operations; SCBA for high-dust emergency response.

Hygiene measures:
Wash hands before breaks and at end of workday; do not eat, drink, or smoke in work areas; remove contaminated clothing before leaving the work area.

Neodymium(III) Oxide Identifiers:
CAS Number: 1313-97-9
EC Number: 215-214-1
MDL Number: MFCD00011134
PubChem CID: 4196641
PubChem Substance ID: 24853700 / 24852070
ChemSpider: 3407022
ECHA InfoCard: 100.013.832
CompTox (EPA): DTXSID2051479
UNII: AYT3H319PN
IUPAC Name: Neodymium(III) oxide (dineodymium(3+) trioxidandiide)
Molecular Formula: Nd₂O₃
Molecular Weight: 336.48 g/mol
SMILES: [O--].[O--].[O--].[Nd+3].[Nd+3]
InChI: InChI=1S/2Nd.3O
InChIKey: PLDDOISOJJCEMH-UHFFFAOYSA-N
Crystal System: Hexagonal (A-form, ambient); also H-form and X-form at elevated temperatures
Space Group: P-3m1, No. 164 (A-form)
Crystal Habit: hP5 hexagonal
Magnetic Susceptibility: +10,200.0×10⁻⁶ cm³/mol (paramagnetic)
Heat Capacity: 111.3 J·mol⁻¹·K⁻¹
ΔfH°₂₉₈: −1,807.9 kJ·mol⁻¹
S°₂₉₈: 158.6 J·mol⁻¹·K⁻¹
GHS Signal Word: Warning
GHS Hazard Statements: H319, H335, H402
GHS Precautionary Statements: P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P337+P313, P501
UN Number: 3077
Hazard Class: 9
Packing Group: III
HS Code: 2846.90.00.19
NACRES: NA.23
UNSPSC: 12352303
eCl@ss: 38160603
Oral LD50 (rat): >5,000 mg/kg
TSCA: Listed
EINECS: Listed
REACH: Registered
KKDIK (Turkey): Compliance required
China REACH equivalent: Registered

Properties of Neodymium(III) Oxide:
Physical state: Solid
Appearance: Light bluish-grey to pale violet-blue powder or hexagonal crystals
Odour: Odourless
Molecular formula: Nd₂O₃
Molecular weight: 336.48 g/mol
Melting point: 2,233°C (4,051°F; 2,506 K)
Boiling point: 3,760°C (6,800°F; 4,030 K)
Density: 7.24 g/cm³ at 20°C
Vapour density: 11.6
Water solubility: Very slightly soluble — 0.00019 g/100 mL (20°C); 0.0003 g/100 mL (75°C)
Acid solubility: Readily soluble in dilute mineral acids
Alcohol solubility: Insoluble
Hygroscopicity: Slightly hygroscopic; absorbs CO₂ forming basic carbonate
Magnetic susceptibility: +10,200.0×10⁻⁶ cm³/mol (paramagnetic)
GHS Classification: Warning — H319, H335, H402
Storage: Room temperature (15–25°C); vacuum or inert atmosphere; moisture-proof

Neodymium(III) Oxide Properties — Specifications:
Product name: Neodymium(III) oxide (Nd₂O₃)
CAS Number: 1313-97-9
EC Number: 215-214-1
Molecular Formula: Nd₂O₃
Molecular Weight: 336.48 g/mol
Purity grades:
  Technical: ≥99.0% (Nd₂O₃/REO ≥99.5%)
  High Purity (3N): ≥99.9% (trace metals basis)
  Analytical (4N): ≥99.99%
  Ultra High Purity (5N): ≥99.999%
Impurity limits (High Purity grade): Other REE ≤0.1%; Pb ≤20 ppm; Fe ≤50 ppm; Ca ≤50 ppm; Si ≤50 ppm; Cl⁻ ≤0.05%; LOI ≤0.5%
Particle size: Nanopowder (<10 nm, ~100 nm); Standard powder D50 1–10 µm; 4–7 µm (D50) customisable; −20 to −500 mesh; pellets; sputtering targets
Appearance: Light blue/grey-blue powder
Melting point: 2,233°C
Density: 7.24 g/cm³
Storage: Cool, dry, sealed, vacuum or inert atmosphere; 15–25°C; 24-month shelf life
Packaging: Aluminium foil bag (1–10 kg, vacuum, moisture-resistant); fibre drum (25–50 kg, PE-lined); glass bottle or aluminium foil bag (100 g–1 kg, inert gas sealed)
Documents: CoA (Certificate of Analysis), MSDS/SDS, GB/T 5240-2015 conforming grades available

Names of Neodymium(III) Oxide:
Neodymium(III) oxide
Neodymium oxide
Neodymia
Neodymium sesquioxide
Neodymium trioxide
Dineodymium trioxide
Neodymium(3+) oxide
Neodymium oxide (Nd₂O₃)
dineodymium(3+) trioxidandiide
NEODYMIUM OXYDATUM
neodymium(3+);oxygen(2-)
Nd₂O₃
NdFeB precursor (industry designation)
Laser-grade oxide (industry designation)
NeodymOxid (German)
Oxyde de néodyme (French)
Oxido de neodimio (Spanish)
Neodimyum oksit (Turkish)
MFCD00011134
AYT3H319PN
CAS 1313-97-9
EINECS 215-214-1