Molekula
Gadolinium (III) oxide 99.999%
Supplying 3,000+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Gadolinium (III) oxide is a high-purity rare-earth compound widely used in magnetic resonance imaging (MRI) contrast agents, phosphors for lighting and displays, and advanced optical materials. This product is **Gadolinium (III) oxide (Gd₂O₃)**, CAS 12064-62-9, with a molecular weight of 362.50 g/mol and a purity of 99.999%. It is supplied as a fine powder, stable at ambient storage conditions, and requires handling with caution (signal word: Warning). Molekula supplies Gadolinium (III) oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Gadolinium (III) oxide is a high-purity rare-earth compound widely used in magnetic resonance imaging (MRI) contrast agents, phosphors for lighting and displays, and advanced optical materials. This product is **Gadolinium (III) oxide (Gd₂O₃)**, CAS 12064-62-9, with a molecular weight of 362.50 g/mol and a purity of 99.999%. It is supplied as a fine powder, stable at ambient storage conditions, and requires handling with caution (signal word: Warning). Molekula supplies Gadolinium (III) oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Fluorine (F) | ND |
| Boron (B) | 0.1 ppm |
| Cadmium (Cd) | <0.1 ppm |
| Iron (Fe) | 0.5 ppm |
| Lead (Pb) | 0.4 ppm |
| Mercury (Hg) | 0.3 ppm |
| Arsenic (As) | <0.4 ppm |
| Calcium (Ca) | 1 ppm |
| Copper (Cu) | <0.04 ppm |
| Magnesium (Mg) | <0.3 ppm |
| Potassium (K) | <1 ppm |
| Nickel (Ni) | 0.02 ppm |
| Strontium (Sr) | 0.8 ppm |
| Barium (Ba) | 0.01 ppm |
| Zinc (Zn) | 0.6 ppm |
| Lanthanum (La) | 1 ppm |
| Vanadium (V) | 0.2 ppm |
| Thallium (Tl) | <0.01 ppm |
| Chromium (Cr) | 0.07 ppm |
| Molybdenum (Mo) | 0.2 ppm |
| Manganese (Mn) | <0.03 ppm |
| Cobalt (Co) | <0.005 ppm |
| Tin (Sn) | <0.05 ppm |
| Sodium (Na) | <0.2 ppm |
| Silver (Ag) | < 0.006 ppm |
| Aluminium (Al) | <0.5 ppm |
| Beryllium (Be) | <0.004 ppm |
| Bismuth (Bi) | <0.04 ppm |
| Antimony (Sb) | <0.03 ppm |
| Selenium (Se) | <0.05 ppm |
| Oxygen (O) | MATRIX |
| Indium (In) | <0.001 ppm |
| Tungsten (W) | 0.07 ppm |
| Sulphur (S) | ND |
| Silicon (Si) | 0.6 ppm |
| Zirconium (Zr) | <0.004 ppm |
| Titanium (Ti) | <0.03 ppm |
| Lithium (Li) | <0.02 ppm |
| Rubidium (Rb) | 0.1 ppm |
| Gold (Au) | 0.04 ppm |
| Iridium (Ir) | <0.1 ppm |
| Platinum (Pt) | 0.2 ppm |
| Rhodium (Rh) | <0.002 ppm |
| Chlorine (Cl) | ND |
| Tellurium (Te) | <0.07 ppm |
| Palladium (Pd) | <0.003 ppm |
| Ruthenium (Ru) | <0.002 ppm |
| Holmium | 0.03 ppm |
| Thulium (Tm) | 0.4 ppm |
| Bromine (Br) | <0.05 ppm |
| Osmium (Os) | 0.2 ppm |
| Niobium (Nb) | <0.002 ppm |
| Cerium (Ce) | <0.05 ppm |
| Scandium (Sc) | <0.01 ppm |
| Gallium (Ga) | <0.04 ppm |
| Terbium (Tb) | 1 ppm |
| Gadolinium (Gd) | MATRIX |
| Europium (Eu) | 0.3 ppm |
| Samarium (Sm) | 0.1 ppm |
| Neodymium (Nd) | 1 ppm |
| Praseodymium (Pr) | 0.4 ppm |
| Yttrium (Y) | 0.8 ppm |
| Phosphorous (P) | ND |
| Caesium (Cs) | <0.004 ppm |
| Dysprosium (Dy) | 0.6 ppm |
| Erbium (Er) | <0.001 ppm |
| Hafnium (Hf) | < 0.005 ppm |
| Tantalum (Ta) | < 0.001 ppm |
| Rhenium (Re) | 0.004 ppm |
| Thorium (Th) | <0.01 ppm |
| Uranium (U) | 0.1 ppm |
| Germanium (Ge) | 0.03 ppm |
| Iodine (I) | ND |
| Ytterbium (Yb) | < 1 ppm |
| Lutetium (Lu) | <1 ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 2339 °C |
| Boiling Point | 3900 °C at 760 mmHg |
Source: PubChem CID 159427 (PAC Chemical Database)
Identification
| Property | Value |
|---|---|
| SKU | 90038462 |
| CAS Number | 12064-62-9 |
| IUPAC Name | bis(gadolinium(3+));tris(oxygen(2-)) |
| EC Number | 235-060-9 |
| Molecular Formula | Gd2O3 |
| Molecular Weight | 362.50 |
| Exact Mass | 365.8359 |
| SMILES | [O-2].[O-2].[O-2].[Gd+3].[Gd+3] |
| InChIKey | CMIHHWBVHJVIGI-UHFFFAOYSA-N |
| InChI | InChI=1S/2Gd.3O/q2*+3;3*-2 |
| PubChem CID | 159427 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2846.90.8090 |
| Tariff Code | 2846906015 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Digadolinium trioxide
- Gadolinia
- Gadolinium oxide
- Gadolinium oxide (2/3)
- Gadolinium oxide (Gd2O3)
- Gadolinium sesquioxide
- Gadolinium trioxide
- Gadolinium(3+) oxide
- gadolinium(3+);oxygen(2-)
- Gd2O3
Frequently asked questions
What is gadolinium(III) oxide primarily used for?
Gadolinium(III) oxide is commonly used in magnetic resonance imaging (MRI) contrast agents, phosphors for lighting and displays, and as a dopant in optical fibers and laser materials.
What is the chemical formula and molecular weight of gadolinium(III) oxide?
The chemical formula is **Gd₂O₃** with a molecular weight of **362.50 g/mol**.
What is the purity grade of this gadolinium(III) oxide, and is it suitable for high-precision applications?
This product is supplied at **99.999% purity**, making it suitable for high-precision applications like MRI contrast agents and advanced materials research.
How should gadolinium(III) oxide be stored?
Store in a **dry, ambient-temperature environment**, away from moisture and strong oxidizing agents, in a tightly sealed container.
Does Molekula offer bulk quantities of gadolinium(III) oxide?
Yes, Molekula can supply gadolinium(III) oxide in **bulk quantities**—please contact us for pricing and availability tailored to your needs.
What documentation is provided with an order of gadolinium(III) oxide?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.