Selenium, 99+%, powder

Catalog No.	Quantity	Packaging
AC419271000	100 g	Glass bottle
AC419275000	500 g	Glass bottle

Catalog No. AC419271000 Supplier Thermo Scientific Chemicals Supplier No. 419271000

Description

CAS: 7782-49-2 | Se | 78.97 g/mol

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 7782-49-2
• Molecular Formula: Se
• Molecular Weight (g/mol): 78.97
• MDL Number: MFCD00134090 MFCD00011224
• InChI Key: BUGBHKTXTAQXES-UHFFFAOYSA-N
• Synonym: selenium, elemental, selen, hydride, atom, elemental, selenio, vandex, alloy, and compounds, gray
• PubChem CID: 6326970
• ChEBI: CHEBI:27568
• IUPAC Name: selenium
• SMILES: [Se]

• Boiling Point: 685°C
• Melting Point: 217°C
• Color: Cream-White to White
• Physical Form: Powder
• Quantity: 100 g
• Assay Percent Range: 99% min
• Linear Formula: Se
• Fieser: 01,990; 04,422; 05,575; 06,507; 08,439; 10,345; 11,465; 14,281
• Merck Index: 15, 8568
• Solubility Information: Solubility in water: insoluble. Other solubilities: soluble in concentrated acid,slightly soluble in diehtyl ether,almost insoluble in carbon disulfide,insoluble in ethanol
• Formula Weight: 78.96
• Percent Purity: ≥99%
• Packaging: Glass bottle
• Residue after Ignition: 0.5% max
• Specific Gravity: 4.81
• Density: 4.8100g/mL
• Chemical Name or Material: Selenium, <325 mesh

Safety and Handling

Hazard Category	GHS Signal Word: Danger
Hazard Statement	GHS H Statement: May cause damage to organs through prolonged or repeated exposure. Toxic if swallowed. Toxic if inhaled. May cause long lasting harmful effects to aquatic life.
Precautionary Statement	GHS P Statement: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Do not breathe dust/fume/gas/mist/vapors/spray. Avoid release to the environment. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
EINECSNumber	231-957-4

SDS

RUO – Research Use Only