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Selenium Sioxide Powder | SeO2

HTHP598

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Heeger Materials offers a selection of over 100 high purity products, including metals, metal oxides, and metal salts, with 99.999% purity or higher. We can provide Selenium Dioxide (SeO2) with the purity of 99.99%, 99.999%,99.9999%, and with high quality.

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Data sheet

SymbolSeO2
Purity99.99%-99.999% (4N-5N)
Sizepowder
ProductSelenium dioxide
CAS2025852

More info

Selenium dioxide is the chemical compound with the formula SeO2. This colorless solid is one of the most frequently encountered compounds of selenium. After pressurized liquefaction, it can produce a yellow liquid. Under normal pressure, it is heated to 317℃ for sublimation.

  • Chemical formula: SeO2
  • Molar mass: 110.96 g/mol
  • Appearance: White crystals, turn slightly pink with trace decomposition
  • Odor:  rotten radishes
  • Density: 3.954 g/cm3, solid
  • Melting point: 340 °C (644 °F; 613 K) (sealed tube)
  • Boiling point: 350 °C (662 °F; 623 K) sub.
  • Solubility in water: 38.4 g/100 mL (20 °C)
  •                      39.5 g/100 ml (25 °C)
  •                      82.5 g/100 mL (65 °C)
  • Solubility: soluble in benzene
  • Solubility in ethanol: 6.7 g/100 mL (15 °C)
  • Solubility in acetone: 4.4 g/100 mL (15 °C)
  • Solubility in acetic acid: 1.11 g/100 mL (14 °C)
  • Solubility in methanol: 10.16 g/100

Application

Selenium dioxide is mainly used in the electrolytic manganese industry, producing about 1 kg of selenium dioxide (with slightly different processes), and the electrolytic manganese industry accounts for about 80% of the amount of selenium dioxide. Secondly, it is used for the production of sodium selenite in the feed industry, and it is also used as the raw material of leaf selenium fertilizer in the agricultural industry. Other can also be used for analysis, precipitation of zirconium, hafnium. Verification of alkaloids. Oxidant. Manufacturing of other selenium compounds and highly pure selenium. Catalyst.

  1. Used to make high pure selenium and other selenium compounds or an oxidative agent and catalyst for organic synthetic drugs
  2. Used as a special reagent for plant alkaloids and can also be used to precipitate zirconium, hafnium, and preparation of selenium compounds
  3. Used as an organic compound oxidant, catalyst, chemical reagent, and various inorganic selenium compounds. Also used in photocopiers, rectifiers, etc.
  4. Used to makes other selenium compounds, alkaloid verification, and oxidants. Reacting with ammonia produces nitrogen and selenium and in alcohol solution ethyl ammonium selenite [NH₄ (CH5) SeO), nitrogen and black amorphous selenium with hydrazine, nitrogen and hydroxylamine hydrochloride with red-brown amorphous selenium, and selenic acid with nitrate acid.

Shipping and Packing

  • Class 6.1
  • UN3283
  • 7446-08-04
  • PG II

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