Molekula
Copper (I) oxide
Copper (I) oxide is a red crystalline solid used in ceramics, glass manufacturing, and as a catalyst in chemical reactions. It is also employed in semiconductor applications and as a pigment. Available in powder form, it has a molecular formula of Cu₂O, a molecular weight of 143.09 g/mol, and is stable at ambient storage conditions. It is classified as dangerous due to its potential health and environmental hazards. Molekula supplies Copper (I) oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Copper (I) oxide is a red crystalline solid used in ceramics, glass manufacturing, and as a catalyst in chemical reactions. It is also employed in semiconductor applications and as a pigment. Available in powder form, it has a molecular formula of Cu₂O, a molecular weight of 143.09 g/mol, and is stable at ambient storage conditions. It is classified as dangerous due to its potential health and environmental hazards. Molekula supplies Copper (I) oxide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Red to brown powder |
| Colour | Dark red brown |
| Sulfate (SO4) | ≤0.1% |
| Chloride (Cl) | ≤0.5% |
| Assay | ≥97.0% Cu2O |
| Particle Size | 3-4µm average |
| Bulk density | 1.3-1.4g/ml |
| CuO | ≤0.5% |
| Copper (Cu) | ≥86% |
| Other metal | ≤0.5% |
| Reducing power | ≥97% |
| Metallic Copper | ≤0.5% |
| Insoluble in Nitric Acid | ≤0.5% |
| Acetone Soluble | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 1317-39-1 |
| Molecular Formula | Cu2O |
| Molecular Weight | 143.09 |
| SMILES | [Cu]O[Cu] |
| EC / UN Number | 3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28255020 |
| Tariff Code | 2825500020 |
Safety & GHS
-
Explosive
GHS01
-
Compressed Gas
GHS04
-
Toxic
GHS06
Hazard statements
- H302+332 Harmful if swallowed or inhaled
- H318 Causes serious eye damage
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
For research and industrial use only
Documents
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Copper (I) oxide used for?
Copper (I) oxide is used in the production of ceramics, glass, and as a catalyst in chemical reactions.
What is the chemical formula and molecular weight of Copper (I) oxide?
The formula is Cu2O and the molecular weight is 143.09 g/mol.
How should Copper (I) oxide be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade of Copper (I) oxide does Molekula supply?
Molekula supplies Copper (I) oxide in technical grade; custom grades available upon request.
Can Molekula supply Copper (I) oxide in bulk?
Yes, Molekula can supply Copper (I) oxide in bulk quantities; please contact sales for details.
What documentation comes with a Copper (I) oxide order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
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.