توضیحات
دي سديم هيدروژن فسفات 1 كيلوگرم كمپاني شارلو اسپانيا
di-Sodium hydrogen phosphate dihydrate
EMPROVE® ESSENTIAL Ph Eur,BP,USP
Synonym: sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate, Sodium monohydrogen phosphate, Sodium phosphate dibasic, Sodium phosphate dibasic dihydrate, di-Sodium hydrogen phosphate dihydrate
- CAS Number 10028-24-7
- Linear Formula Na2HPO4 · 2H2O
- Molecular Weight 177.99
- MDL number MFCD00149182
- EC Index Number 231-448-7
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Analysis Note
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 %
Identity: passes test
Appearance of solution: passes test
In water insoluble matter: ≤ 0.3 %
pH-value (5 %; water): 8.9 – 9.2
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.02 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0002 %
Fe (Iron): ≤ 0.001 %
Sodium dihydrogen phosphate (NaH₂PO₄): ≤ 1.7 %
Residual solvents (ICH Q3C): excluded by manufacturing process
Substances reducing potassium permanganate (as O): passes test
Loss on drying (130 °C): 19.5 – 21.0 %
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 (*).
Corresponds to Ph Eur, BP, USP
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