Sodium sulfate decahydrate

Product Name

Sodium sulfate decahydrate, BioUltra, ≥99.0% (calc. on dry substance, T)

InChI key

RSIJVJUOQBWMIM-UHFFFAOYSA-L

InChI

1S/2Na.H2O4S.10H2O/c;;1-5(2,3)4;;;;;;;;;;/h;;(H2,1,2,3,4);10*1H2/q2*+1;;;;;;;;;;;/p-2

SMILES string

O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O

grade

reagent grade

product line

BioUltra

assay

≥99.0% (calc. on dry substance, T)

form

crystals

impurities

insoluble matter, passes filter test
≤0.0005% total nitrogen (N)

loss

53-57% loss on drying

pH

5.0-7.0 (25 °C, 1 M in H₂O)

solubility

H₂O: 1 M at 20 °C, clear, colorless

density

1.46 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤10 mg/kg
phosphate (PO₄^3-): ≤10 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤20 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H₂O

UV absorption

λ: 260 nm A_max: ≤0.025
λ: 280 nm A_max: ≤0.021

Quality Level

200