Q:What’s the Minimum Order Quantity?
A:1000KG

Q: How to Get Sample?
A: Sample within 500g could be sent for free once buyer’s DHL account is advised for freight collect or courier cost is paid. The courier cost could be deducted when bulk order is placed.

Q: What is Lead Time?
A: Generally, cargo could be loaded on ship in about two weeks after the date of receiving prepayment or L/C. Sometimes one week earlier or later.

Q: What’s the bulk Packing of Selenium Dioxide?
A:25kg paper barrel. If pouch packing is in need, it could be customized.

Q: How About the Selenium Dioxide of ZXCHEM?
A: Selenium Dioxide, also known as selenium(IV) oxide or selenium dioxide gas, is a chemical compound with the formula SeO2. It has various applications in different fields. Here are some of its uses:

Chemical Synthesis: Selenium dioxide is utilized as an oxidizing agent in organic synthesis. It can convert primary alcohols to aldehydes and secondary alcohols to ketones, making it an important reagent in the preparation of these functional groups.

Catalysis: Selenium dioxide can act as a catalyst or co-catalyst in several chemical reactions, such as the oxidation of various organic compounds. Its catalytic properties find applications in pharmaceutical and fine chemical industries.

Electronics and Semiconductors: Selenium dioxide is employed in the electronics industry for the production of photovoltaic (solar) cells. It is used as a dopant to modify the electrical properties of semiconductors.

Glass Industry: Selenium dioxide is added to glass formulations to decolorize and remove the green tint caused by iron impurities. This results in the production of clear and colorless glass, commonly used in the manufacturing of optical lenses, windows, and glass containers.

Photography: Selenium dioxide is used in photographic toners and developers. It is responsible for converting exposed silver halide grains in black-and-white photographic prints into metallic silver, enhancing image quality and longevity.

Pharmaceuticals: Selenium dioxide can be used in the synthesis of certain pharmaceutical intermediates, contributing to the production of drugs and other pharmaceutical compounds.

Textile Industry: Selenium dioxide is employed as a dyeing agent and a chemical modifier in the textile industry. It helps improve the color fastness and performance of dyes on fabrics.

Rubber Industry: Selenium dioxide can be used as a vulcanization agent for rubber, contributing to the cross-linking of polymer chains and enhancing the mechanical properties of rubber products.

Preservative: Selenium dioxide is utilized as a preservative in certain materials, such as wood and paints, to protect against decay and degradation