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  7. Selenium(IV) oxide, 99.4% (metals basis), Thermo Scientific Chemicals

Selenium(IV) oxide, 99.4% (metals basis), Thermo Scientific Chemicals

Product Code. 11311739
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Quantity:
100 g
500 g

Description

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.

TRUSTED_SUSTAINABILITY

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
SMILES O=[Se]=O

Specifications

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
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Safety and Handling

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Product Identifier
  • Selenium (IV) oxide
 Signal Word
  • Danger
 Hazard Category
  • Acute toxicity Category 3
  • LONG-TERM AQUATIC HAZARD Chronic 1
  • ACUTE AQUATIC Acute 1
  • Specific target organ toxicity after repeated exposure Category 2
 Hazard Statement
  • 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.
 Precautionary Statement
  • 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/.
 Supplemental information
  • MIXTURE LIST-Contains : Selenium dioxide

RUO – Research Use Only

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