Sodium selenite pentahydrate
CAS Number26970-82-1
FormulaNa2SeO3 · 5H2O
Mol. Weight263.01 g/mol
Sodium selenite pentahydrate
What is Sodium selenite pentahydrate?
Sodium selenite pentahydrate is a chemical compound with CAS number 26970-82-1 and molecular formula Na2SeO3 · 5H2O. It is used in various industrial and research applications.
Specifications
Linear Formula
Na2SeO3 · 5H2O
Molecular Weight
263.01 g/mol
Grade
puriss. p.a.
Assay/Purity
≥99.0% (RT)
Impurities
≤0.005% total nitrogen (N)
Safety Information
GHS06
GHS09Signal Word
Danger
Hazard Statements
H300-H317-H331-H411
Precautionary Statements
P261-P264-P273-P280-P301 + P310-P311
Required PPE
Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Anion Traces
chloride (Cl-): ≤50 mg/kg
selenate, sulfate (as SO42-): ≤50 mg/kg
Cation Traces
Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
EC Number
233-267-9
WGK Germany
2