71638

di-Sodium hydrogen phosphate dihydrate

puriss. p.a., ≥99.0% (T)

• Synonym(s): sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate, Sodium phosphate dibasic dihydrate
• Linear Formula: Na₂HPO₄ · 2H₂O
• CAS Number: 10028-24-7
• Molecular Weight: 177.99
• EC Number: 231-448-7
• MDL number: MFCD00149182
• UNSPSC Code: 12352300

Properties

• grade: puriss. p.a.
• assay: ≥99.0% (T)
• impurities: ≤0.001% total nitrogen (N)
• pH: 8.9-9.2 (25 °C, 50 mg/mL in H₂O)
• anion traces: chloride (Cl^-): ≤10 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 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
• SMILES string: O.O.[Na+].[Na+].OP([O-])([O-])=O
• InChI: 1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2
• InChI key: KDQPSPMLNJTZAL-UHFFFAOYSA-L

Description

Other Notes

This product has been replaced by 30435-Sigma-Aldrich | Sodium phosphate dibasic dihydrate, puriss. p.a., Reag. Ph. Eur., 98.5-101.0% (calc. to the dried substance) | Na2HPO4