Iron(III) oxide
- Createtime： 2026-04-14
- Updatetime： 2026-04-15
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
159.69
|
| aliasen |
|
| supplyCapacity |
50000MT/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Appearance |
Red-brown powder
|
Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Iron(III) oxide
CAS No.: 1309-37-1
Molecular Formula: Fe2O3
Molecular Weight: 159.69
Physical and Chemical Properties
- Appearance: Red-brown fine powder
- Melting Point: 1565 °C
- Density: 5.24 g/cm3
- Solubility: Insoluble in water and organic solvents; soluble in strong acids
- Odor: Odorless
- Stability: Chemically stable under normal temperature and atmospheric conditions. Resistant to light and heat. Does not react with weak acids and alkalis.
Application
- Pigment industry: Widely used as inorganic pigment for paints, coatings, rubber, plastics, ceramics and building materials.
- Magnetic material: Raw material for manufacturing magnetic powder and soft magnetic components.
- Metallurgical industry: Main raw material for ironmaking and steelmaking.
- Polishing agent: Used for precision polishing of glass, metal and jewelry.
- Catalyst & additive: Serves as catalyst in chemical reactions and feed mineral additive.
- Laboratory reagent: Common analytical reagent and raw material for inorganic synthesis.
Storage Condition
Keep package tightly sealed. Store in cool, dry and ventilated place. Prevent moisture and dust contamination. Keep away from strong acids and corrosive substances.
Certificate of Analysis
| Item | Specification | Test Result | Method |
| Product Name | Iron(III) oxide | Compliant | Visual & Identification |
| CAS No. | 1309-37-1 | 1309-37-1 | Standard |
| Molecular Formula | Fe2O3 | Fe2O3 | Standard |
| Molecular Weight | 159.69 | 159.69 | Standard |
| Appearance | Red-brown powder | Red-brown powder | Visual Inspection |
| Main Content (Fe2O3) | ≥99.0% | 99.58% | Titration Method |
| Loss on Drying | ≤0.30% | 0.11% | Gravimetric Method |
| Water Insoluble Matter | ≤0.20% | 0.06% | Gravimetric Method |
| Chloride | ≤100 ppm | <15 ppm | Turbidimetric Method |
| Sulfate | ≤100 ppm | <12 ppm | Turbidimetric Method |
| Ferrous Iron | ≤0.10% | 0.03% | Titration Method |
| Heavy Metals | ≤10 ppm | <3 ppm | Atomic Absorption Spectrometry |
