VAQORASelenium powder, ≥99.5%
CAS No.7782-49-2
FormulaSe
Mol. weight78.97
Catalogue No.VQ-016197
Purity≥99.5%
HSN28049000
Selenium powder (CAS 7782-49-2) – metal powder, Synthesis grade, ≥99.5%. Se, MW 78.97. Order from Vaqora Chemicals with COA and global delivery.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Selenium powder, ≥99.5%
Selenium powder (CAS 7782-49-2) is a metal powder offered by Vaqora Chemicals in Synthesis grade with a typical assay of ≥99.5%. The compound has the formula Se, corresponding to a molecular weight of 78.97 g/mol. Systematically, it is named selenium.
The material typically appears as a grey to black powder. Key physical data: a boiling point of 684.9 °C and a density of 4.81 g/mL at 25 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.
It is commonly used for powder metallurgy, additive manufacturing, chemical synthesis and fluorescent labelling. It is used across academic and industrial research and metallurgy and mining.
Vaqora Chemicals supplies Selenium powder in 5 g, 50 g and 250 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Powder metallurgy
- Additive manufacturing
- Chemical synthesis
- Fluorescent labelling
Industries
Specifications & identifiers
| Product name | Selenium powder, ≥99.5% |
|---|---|
| Catalogue No. | VQ-016197 |
| CAS Number | 7782-49-2 |
| IUPAC name | selenium |
| Molecular formula | Se |
| Molecular weight | 78.97 g/mol |
| Exact mass | 79.9165 |
| Grade | Synthesis |
| Purity / assay | ≥99.5% |
| HSN code | 28049000 |
| InChIKey | BUGBHKTXTAQXES-UHFFFAOYSA-N |
| SMILES | [Se] |
| PubChem CID | 6326970 |
| Physical form | Powder |
|---|---|
| Appearance | Grey to black powder |
| Boiling point | 684.9 °C |
| Density | 4.81 g/mL at 25 °C |
| H-bond donors / acceptors | 0 / 0 |
| TPSA | 0 Ų |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H301Toxic if swallowedH331Toxic if inhaledH413May cause long lasting harmful effects to aquatic life
Precautionary statements: P260, P261, P264, P270, P271, P273, P301 + P316, P304 + P340, P316, P319, P321, P330, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Other grades of CAS 7782-49-2
Frequently asked questions
What is the CAS number of Selenium powder, ≥99.5%?
The CAS Registry Number of Selenium powder, ≥99.5% is 7782-49-2.
What is the molecular formula and molecular weight of Selenium powder, ≥99.5%?
Selenium powder, ≥99.5% has the molecular formula Se and a molecular weight of 78.97 g/mol. Its IUPAC name is selenium.
Which grade and pack sizes of Selenium powder, ≥99.5% can I order?
We supply Selenium powder, ≥99.5% in Synthesis (≥99.5%) grade, in 5 g, 50 g, 250 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Selenium powder, ≥99.5%?
Yes. Every lot of Selenium powder, ≥99.5% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Selenium powder, ≥99.5% be shipped internationally?
Yes. Selenium powder, ≥99.5% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Selenium powder, ≥99.5%
We reply within one business day with price, pack options, lead time and documentation.
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