© 2026 Nanjing Finechem Holdings Co., Ltd,
All Right Reserved
|
HS Code |
593398 |
| Product Name | Selenium |
| Chemical Formula | Se |
| Molecular Weight | 78.97 g/mol |
| Cas Number | 7782-49-2 |
| Appearance | Gray to black crystalline solid or powder |
| Purity | 99.5%-99.999% (varies by supplier) |
| Melting Point | 217 °C |
| Boiling Point | 685 °C |
| Density | 4.81 g/cm³ (at 20 °C) |
| Solubility | Insoluble in water |
| Storage Conditions | Store at room temperature, tightly closed, and protected from light |
| Hazard Classification | Harmful if swallowed, inhaled, or in contact with skin |
| Ec Number | 231-957-4 |
| Refractive Index | 2.90 (amorphous selenium) |
| Supplier Catalog Numbers | Sigma-Aldrich 229865; Merck 1.07709; TCI S0195 |
As an accredited Selenium factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Selenium from Sigma Aldrich/Merck/TCI Chemical is typically packaged in a sealed, amber glass bottle, 100 grams, with hazard labeling. |
| Shipping | Selenium (Sigma Aldrich/Merck/TCI Chemical) is shipped in tightly sealed, inert containers to prevent oxidation and moisture exposure. Packages comply with hazardous material regulations, labeled appropriately for toxicity. Transport is arranged via certified carriers, ensuring temperature control and safe handling, with documentation provided for proper storage, handling, and regulatory compliance during transit. |
| Storage | Selenium from Sigma-Aldrich, Merck, or TCI Chemical should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong acids, strong oxidizers, and reducing agents. Avoid exposure to moisture and direct sunlight. Store at room temperature and label containers clearly. Follow standard laboratory chemical storage and handling protocols. |
Competitive Selenium prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615365186327 or mail to sales3@ar-reagent.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: sales3@ar-reagent.com
Flexible payment, competitive price, premium service - Inquire now!
