Overview
Copper monoxide ( CAS 1317-38-0 ), also known as copper(II) oxide, is an inorganic compound used across industrial manufacturing as a pigment, biocidal agent, and chemical intermediate.
It delivers controlled copper ion release, which underpins its function in antimicrobial and surface-active applications. In personal care and cosmetics, it is incorporated into formulations where copper-based activity supports scalp and skin preservation.
Construction and coatings manufacturers use it as a pigment to achieve stable brown-black coloration in ceramic glazes, glass, and specialty coatings. Textile and leather processors apply it in dyeing auxiliaries and finishing treatments.
These treatments are essential where surface modification and biocidal protection are required. In printing and packaging, it contributes to specialty ink formulations and functional coatings where antimicrobial performance is a specification requirement.
Copper monoxide is supplied as a fine black powder in technical and industrial grades. Particle size distribution and purity levels vary by application, with high-purity grades available for electronic and specialty chemical uses.
Standard packaging includes multi-wall bags and bulk quantities suited to industrial procurement volumes. This ensures reliable supply chains for manufacturers requiring consistent chemical properties and high-volume availability for large-scale production.
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Physical Properties
| Melting Point | 1326 °C |
| Density | 6.315 g/cm³ @ Temp: 14 °C |
| Appearance | Black fine free powder |
| Color | Brown to black |
| Odor | at 100.00?%. odorless |
| Form | powder |
| Water Solubility | insoluble |
| Refractive Index | 2.63 |
| pH | 7 (50g/l, H2O, 20℃)(slurry) |
Safety & Handling
Warning GHS09 GHS07 GHS08 Hazard Statements H317 May cause an allergic skin reaction H335 May cause respiratory irritation H370 Causes damage to organs H400 Very toxic to aquatic life H410 Very toxic to aquatic life with long lasting effects Precautionary Statements P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P391 Collect spillage. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P308+P316 Get emergency medical help immediately. P333+P317 Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed.
Trade & Regulatory
| HS Code | 28255000 |
| UN Number | 3077 |
| ADR Class | 9 |
| Packing Group | III |
| Storage Class | 13 - Non Combustible Solids |
| WGK (Germany) | 1 |
Other Names
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Chemical Properties
- CAS Number
- 1317-38-0
- EC Number
- 215-269-1
- Mol. Weight
- 79.55
- HS Code
- 28255000
- Category
- Pigments & Colorants