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- Brand：hebei qujie
- Model：25kg/bag
- Purity：99.5%
- Cas：12061-16-4
- Createtime： 2026-05-28
- Updatetime： 2026-06-05
| useage | Used in industrial fields such as fiber doping and glass coloring. |
| deliveryInfo | |
| appearance | pink powder |
| aliasen | |
| supplyCapacity | 70T/Month |
| harbor | tianjin qingdao shanghai |
| minorder | 1KG |
Description:
Erbium(III) oxide (Er2O3) is a member of rare-earth sesquioxides. Er2O3 powder has a pink appearance and the crystal structure of the material is generally known to be cubic. Erbium oxide found to be insoluble in water and soluble in mineral acids. Er2O3 provides various excellent properties such as high dielectric constant (≈14), high mechanical strength, high chemical and thermal stability in contact with Si, wide bandgap (~5.4 eV), substantial hardness and high transparency in visible light.
Used as an additive for magnetic materials and phosphors, raw materials for special luminous glass.
It is mainly used as an additive of yttrium iron garnet and a control material for nuclear reactors, and is also used in the manufacture of special luminous glass and infrared absorbing glass, and is also used as a glass coloring agent.
| CAS Number | 12061-16-4 |
| Product Name | Erbium Oxide |
| Synonyms | Oxygen(-2) Anion; Erbium Oxide Reo Rose Powder; Erbium(+3) Cation; Dierbium Trioxide; Erbium(iii) Oxide; Erbium(iii) Oxide |
| Molecular Formula | Er2O3 |
| Molecular Weight | 382.5162 |
| InChI | 1/2Er.3O/rEr2O3/c3-1-5-2-4 |
| EINECS | 235-045-7 |
| Appearance | Pink Powder |
| Density | 8.64 |
| Melting Point | 2400oC |
| Solubility | insoluble in water |
packing:25kg/bag or according to the quantity you want
Delivery Detail: Some of the products can be supplied within 7 days on the strength of warehouse.
Receipt Reminder: Please check the package for intact condition before signing for delivery. Should you encounter missing items, quantity discrepancies or quality issues upon inspection, you may reject the delivery and get in touch with us. We will resolve the matter promptly.
Hebei Qujie Technology Co., Ltd. was established in 2021. It is a private enterprise integrating production, customization, sales, and trade. The company is located at No. 8 Jinhe East Road, Tongye Town, Luquan District, Shijiazhuang City. The factory has an elegant environment, complete equipment, and ample resources. The company possesses advanced technology and professional technical personnel. Since its establishment, the company's sales have steadily increased. The company adheres to the business philosophy of 'quality and price, customer first,' which is effectively reflected in its operations, and is committed to providing customers with sufficient supply and stable and reliable quality.
Business Philosophy: Integrity-based, win-win cooperation
Corporate Spirit: Integrity, gratitude, equality, mutual respect
Corporate Mission: Create opportunities for employees, create value for customers
We strive to meet your demands with the following services:
1.Customized solutions tailored to individual clients
2.Arrangement of third-party product inspections as required
3.Evaluation and mass production based on your counter samples
4.Favorable exclusive discounts for long-term partners
5.Round-the-clock customer support
