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Sodium selenite is an inorganic fine chemical derived from scattered‑metal resources, classified as Class 6.1 toxic hazardous goods under UN2630. Different grades differ significantly in purity and heavy‑metal impurity indexes. Pure powder and premix formulations show distinct physical‑chemical risks as well as packaging & shipping requirements. It is water‑soluble and shall be stored in sealed condition in compliance with hazardous‑goods safety regulations.
Industry Applications
As a functional selenium‑source raw material, sodium selenite is mainly used as trace‑element additive for animal feed, decolorizer & colorant for special glass, raw material for selenium‑enriched foliar fertilizer, as well as feedstock for biochemical analysis and selenium‑compound synthesis. Various industries have different grade requirements: feed applications stress heavy‑metal control while glass production focuses on consistent purity.
