Selenium(IV) oxide, 99.999%, (trace metal basis)

Description

CAS: 7446-08-4 | O2Se | 110.97 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.

For ultra trace analysis

Specifications

Chemical Identifiers

• CAS: 7446-08-4
• Molecular Formula: O2Se
• Molecular Weight (g/mol): 110.97
• MDL Number: MFCD00003562
• InChI Key: JPJALAQPGMAKDF-UHFFFAOYSA-N
• Synonym: selenium oxide, selenium iv oxide, oxoselane oxide, selenious anhydride, selenium oxide seo2, seleniumdioxide, dimer, selenous acid anhydride, selenium iv dioxide 1:2, selenium oxide se2o4
• PubChem CID: 24007
• IUPAC Name: selenium dioxide
• SMILES: O=[Se]=O

• Melting Point: 315°C
• Color: White
• Physical Form: Fine Crystalline Powder
• Quantity: 50 g
• Assay Percent Range: 99.999%
• Linear Formula: SeO₂
• Fieser: 01,992; 02,360; 03,245; 04,422; 05,575; 06,509; 08,439; 09,409; 10,345; 11,96; 13,272; 14,177; 15,89; 17,312
• Merck Index: 15, 8571
• Solubility Information: Solubility in water: 38.4g/100mL (14°C). Other solubilities: 1.11 parts/100 parts acetic acid (13.9°C),10.16 parts/100 parts methanol (11.8°C),6.67 parts/100 parts 93% ethanol (14°C),4.35 parts/100 parts acetone (15.3°C)
• Formula Weight: 110.96
• Percent Purity: 100.00%
• Grade: Trace Metal Basis
• Packaging: Glass bottle
• Chemical Name or Material: Selenium(IV) oxide, 99.999%

Safety and Handling

Hazard Category	GHS Signal Word: Danger
Hazard Statement	GHS H Statement: Toxic if swallowed. Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure. Very toxic to aquatic life with long lasting effects.
Precautionary Statement	GHS P Statement: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF SWALLOWED: rinse mouth. Do NOT induce vomiting. Wear eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. 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	231-194-7
RTECSNumber	VS8575000
TSCA	TSCA

SDS

RUO – Research Use Only