Sodium phosphate dibasic, anhydrous 98.0-100.5% (by acidometric titration), EMPROVE® ESSENTIAL Ph. Eur., BP, USP, JPE, E339, SAFC®

Supplier: EMD MILLIPORE – PCS CA EXCEP

Synonyms: di-Sodium hydrogen phosphate anhydrousSodium phosphate dibasicsec-Sodium phosphateDisodium phosphatedi-Sodium hydrogen orthophosphateSodium hydrogen phosphate

1.06585.9013 1.06585.9013 1.06585.5000
CA1.06585.5000CS 1570.2 CAD
CA1.06585.5000 CA1.06585.9013 EM1.06585.9013
Sodium phosphate dibasic, anhydrous 98.0-100.5% (by acidometric titration), EMPROVE® ESSENTIAL Ph. Eur., BP, USP, JPE, E339, SAFC®
di-Sodium hydrogen phosphate

Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).


Certifications: Corresponds to Ph. Eur., BP, USP, JPE, E 339
Conforms to the purity criteria on food additives according to the current European Commission Regulation.

Formula: Na₂HPO₄
MW: 141.96 g/mol
Melting Pt: 250 °C
Density: 1.53 g/cm³ (20 °C)
MDL Number: MFCD00003496
CAS Number: 7558-79-4
Merck Index: 12,08805

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Specification Test Results

Assay (calculated on dried substance according to Ph Eur) 98.0 - 101.0 %
Assay (calculated on dried substance according to USP) 98.0 - 100.5 %
Assay (acidimetric; dried substance) 99.0 - 101.0 %
Identity passes test
Appearance of solution passes test
In water insoluble matter (calculated on dried substance) ≤ 0.20 %
Sodium dihydrogen phosphate (NaH₂PO₄) ≤ 1.7 %
pH-value (1 %, water) 9.0 - 9.4
Carbonate passes test
Chloride (Cl) ≤ 0.01 %
Fluoride (F) ≤ 0.001 %
Sulfate (SO₄) ≤ 0.03 %
Heavy metals (as Pb) ≤ 0.001 %
As (Arsenic) ≤ 0.0001 %
Cd (Cadmium) ≤ 0.0001 %
Fe (Iron) ≤ 0.002 %
Hg (Mercury) ≤ 0.0001 %
Ni (Nickel)* ≤ 0.0002
Pb (Lead) ≤ 0.0001 %
Residual solvents (ICH Q3C) excluded by production process
Substances reducing potassium permanganate passes test
Loss on drying (130 °C) ≤ 1.0 %
Particle size ( 0.315 mm) about 99 %

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