Molekula
Holmium(III) oxide
Supplying 4,500+ 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
Holmium(III) oxide is a rare-earth compound composed of holmium and oxygen, primarily used in nuclear research, glass doping for laser applications, and as a colorant in ceramics and glass. It imparts a vibrant yellow hue and is essential in medical imaging and calibration standards due to its precise spectral lines. This chemical has the CAS number 12055-62-8, with the molecular formula Ho₂O₃ and a molecular weight of 377.857 g/mol. It is non-hazardous, requiring only ambient storage conditions. Molekula supplies Holmium(III) oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to yellow powder |
| Identification | Conforms to reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90032517 |
| CAS Number | 12055-62-8 |
| Molecular Formula | Ho2O3 |
| Molecular Weight | 377.857 |
| SMILES | O=[Ho]O[Ho]=O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2846902040 |
| Tariff Code | 2846907030 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Russian, Spanish.
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
No alternate names recorded for this product.
Frequently asked questions
What is Holmium(III) oxide primarily used for?
Holmium(III) oxide is commonly used in the manufacturing of specialized glasses for optical applications, such as laser materials (e.g., holmium lasers for medical and dental procedures), and as a dopant in fiber amplifiers.
What is the chemical formula and molecular weight of Holmium(III) oxide?
The chemical formula is **Ho₂O₃**, and the molecular weight is **377.857 g/mol**.
How should Holmium(III) oxide be stored?
Store Holmium(III) oxide in a cool, dry place at **ambient temperature**, protected from moisture and contamination.
What purity grades of Holmium(III) oxide does Molekula supply?
Molekula supplies **high-purity (99.9%+) Holmium(III) oxide** suitable for research, optical, and industrial applications.
Can Molekula supply Holmium(III) oxide in bulk quantities?
Yes, Molekula can provide **bulk quantities** of Holmium(III) oxide upon request, depending on availability and customer requirements.
What documentation comes with an order of Holmium(III) oxide?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and, if applicable, a **Certificate of Conformity** for purity specifications.
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.