Selenium(IV) oxide, 99.4% (metals basis)

Artikelnummer.	Quantity	unitSize
11311739	100 g	100g
11321739	500 g	500g

Artikelnummer. 11311739 missing translation for 'mfr' Thermo Scientific Alfa Aesar missing translation for 'supplierNo' 012358.22

Beschreibung

CAS: 7446-08-4 | O2Se | 110.97 g/mol

It is used in the manufacture of other selenium compounds. Selenium dioxide is an oxidizing agent mostly used in the allylic oxidation of alkenes to produce allylic alcohols. It is used in creating colorless glass and toner in photographic developing.

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

Spezifikation

Chemische Identifikatoren

• 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
• SMILES: O=[Se]=O

• Melting Point: 340°C to 350° (sublimation)
• Color: White
• Physical Form: Powder
• Quantity: 100 g
• Assay Percent Range: 99.4% (Metals Basis)
• Solubility Information: Partially soluble in water,methanol,ethanol,and acetone. Soluble in concentrated sulfuric acid.
• IUPAC Name: selenium dioxide
• Formula Weight: 110.96
• Odor: Odorless
• Density: 3.95 g/cm³ at 20°C
• Chemical Name or Material: Selenium(IV) oxide

Sicherheit und Handhabung

Produktidentifikator

• Selenium (IV) oxide

Signalwort

• Danger

Gefahrenkategorie

• Acute toxicity Category 3
• LONG-TERM AQUATIC HAZARD Chronic 1
• ACUTE AQUATIC Acute 1
• Specific target organ toxicity after repeated exposure Category 2

Gefahrenhinweis

• H301-Toxic if swallowed.
• H331-Toxic if inhaled.
• H373-May cause damage to organs.
• H400-Very toxic to aquatic life.
• H410-Very toxic to aquatic life with long lasting effects.

Sicherheitshinweis

• P260-Do not breathe dust/fume/gas/mist/vapours/spray.
• P273-Avoid release to the environment.
• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
• P310-Immediately call a POISON CENTER/doctor/.

Ergänzende Informationen

• MIXTURE LIST-Contain: Selenium dioxide

RUO – Research Use Only