Molecular Formula: Na₂SeO₃ CAS No.: 10102-18-8 RTECS No.: VS7350000 Executive Standard: GB7300.302-2019 Certifications: GB/T19001-2016 & ISO9001:2015, GB/T24001-2016 & ISO14001:2015, GB/T45001-2020 & ISO45001:2018, ISO22000:2018 Assay%: 45.1–46.1 Product Approval No.: Lu Feed Additive (2019) 655014 Packaging: 25kg/D Storage: Sodium selenite should be stored in a cool, dry place; strictly prohibited from co-storage with other items. Applications: Mainly used in photography, printing and dyeing, chemical reagents, metallurgical industry, and biomedical applications.