13571

Sodium sulfate decahydrate

puriss., meets analytical specification of Ph. Eur., BP, USP, ≥99.0% (calc. to the dried substance)

• Synonym(s): Glauber’s salt
• Linear Formula: Na₂SO₄ · 10H₂O
• CAS Number: 7727-73-3
• Molecular Weight: 322.20
• EC Number: 231-820-9
• MDL number: MFCD00149189
• UNSPSC Code: 12352302
• PubChem Substance ID: 329750241

Properties

• grade: puriss.
• assay: ≥99.0% (calc. to the dried substance)
• form: crystals
• quality: meets analytical specification of Ph. Eur., BP, USP
• impurities: acidity or alkalinity, complies; residual solvents, complies; ≤10 mg/kg heavy metals (as Pb); ≤200 mg/kg free alkali (as NaOH); ≤300 mg/kg free acid (as H₂SO₄)
• loss: 53-57% loss on drying, 130 °C
• density: 1.46 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤100 mg/kg
• cation traces: As: ≤2 mg/kg; Ca: ≤50 mg/kg; Fe: ≤5 mg/kg; Mg: ≤100 mg/kg; Zn: ≤20 mg/kg
• suitability: complies for appearance of solution; complies for identity
• SMILES string: O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O
• InChI: 1S/2Na.H2O4S.10H2O/c;;1-5(2,3)4;;;;;;;;;;/h;;(H2,1,2,3,4);10*1H2/q2*+1;;;;;;;;;;;/p-2
• InChI key: RSIJVJUOQBWMIM-UHFFFAOYSA-L

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable