Black Pigment refers to a group of chemicals used to create black color in various industries. One of the most important black pigments is derived from chromium compounds, particularly "chromium oxide" (Cr₂O₃). This pigment is widely used in the production of paints, inks, coatings, and even in cosmetics. The inclusion of chromium oxide in these pigments provides enhanced resistance to corrosion, heat, and wear, making them valuable in both industrial and decorative coatings.
Technical Characteristics
| Chemical Formula | Varies depending on the specific black pigment (e.g., Cr₂O₃ for chromium oxide) |
| Other Names | Chromium Black Pigment, Chromium Oxide Black |
| CAS Number | 1308-38-9 (for chromium oxide black) |
| Molecular Weight | Varies depending on the compound |
| Solubility | Insoluble in water |
| Appearance | Powder of black colour |
Applications
- Manufacturing of ceramics for painting patterns and colouring
- Paint and varnish industry
Safety and Regulations
Chrome black pigment, like other chromium compounds, may have adverse health effects. Direct skin contact or inhalation of its dust can be harmful. Safety equipment such as gloves and masks should be used to prevent injuries.
Environmental Impact
Chrome compounds can cause pollution, especially in water sources, if discharged into the environment. Therefore, care should be taken in their disposal and unauthorized discharge should be prevented.
Packing
polypropylene bags of 25 kg, stacked on wooden pallets.