Sodium sulfate decahydrate
SIGMA/71969 - BioUltra, ≥99.0% (calc. on dry substance, T)
Synonym: Glauber’s salt
CAS Number: 7727-73-3
Empirical Formula (Hill Notation): Na2O4S · 10H2O
Molecular Weight: 322.20
EC Number: 231-820-9
MDL Number: MFCD00149189
Linear Formula: Na2SO4 · 10H2O
Product Type: Chemical
λ | 1 M in H2O |
anion traces | chloride (Cl-): ≤10 mg/kg |
phosphate (PO43-): ≤10 mg/kg | |
assay | ≥99.0% (calc. on dry substance, T) |
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 | |
density | 1.46 g/mL at 25 °C (lit.) |
form | crystals |
impurities | insoluble matter, passes filter test |
≤0.0005% total nitrogen (N) | |
InChI | 1S/2Na.H2O4S.10H2O/c;;1-5 |
InChI key | RSIJVJUOQBWMIM-UHFFFAOYSA |
loss | 53-57% loss on drying |
pH | 5.0-7.0 (25 °C, 1 M in H2O) |
product line | BioUltra |
Quality Level | 200 |
SMILES string | O.O.O.O.O.O.O.O.O.O.[Na+] |
solubility | H2O: 1 M at 20 °C, clear, colorless |
UV absorption | λ: 260 nm Amax: ≤0.025 |
λ: 280 nm Amax: ≤0.021 |
Application: |
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Other Notes: | Protein precipitant in the purification of nitrate reductase; Fractionation of nucleotides by inorganic salt co-precipitation; Diluent in the luciferase assay of bacterial content |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥99.0% (calc. on dry substance, T) |
Density | 1.46 g/mL at 25 °C (lit.) |
UNSPSC | 12352302 |