Iron Oxide
Ferric Oxide
- CAS
- 1309-37-1
- EC
- 215-168-2
- Sectors
- Coatings, Adhesives, Sealants & Elastomers, Building & Construction, Plastics & Polymers
Iron Oxide (CAS 1309-37-1) is an inorganic pigment occurring in several oxidation states, most commonly as red and black forms; it appears as black pieces and offers color stability, opacity and UV resistance for paints, coatings, plastics and construction materials. They offer excellent color stability, opacity, and UV resistance.
Typical Properties
| Molecular formula | Fe2O3 |
|---|---|
| Molecular weight | 159.69 g/mol |
| Form | pieces |
| Color | black |
| Melting point | 565 °C |
| Density | 5.24 g/cm³ |
| Water solubility | INSOLUBLE |
| Flash point | >230 °F |
| pH | 3.7±0.3 |
| GHS signal word | Danger · Corrosive, Irritant / harmful, Health hazard, Environmental hazard |
| HS code | 28211000 |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Iron Oxide
Applications
Used in paints, coatings, plastics, ceramics, and construction materials. Also employed in cosmetics, magnetic media, and catalyst formulations.
Safety & Risks
Non-toxic but inhalable dust may cause mechanical irritation. Avoid contamination with acids or reducing agents.
Packaging
25–50 kg bags or FIBCs. Store in dry, well-ventilated areas away from moisture.