Disodium hydrogen phosphate dodecahydrate 98.5-102.5% (by acidimetry), crystals, EMPROVE® ESSENTIAL Ph. Eur., BP, JP, USP, SAFC®

Supplier: EMD MILLIPORE – PCS CA EXCEP

Certificates

About this item

CAS Number:10039-32-4

Formula:Na₂HPO₄·12H₂O

MDL Number:MFCD00149181

:358.14 g/mol

Merck Index:13,08733

Melting Pt:35 °C

Density:1.52 g/cm³ (20 °C)

Storage Temperature:Ambient

EINECS:231-448-7

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Specification Test Results

Assay (acidimetric):
98.5 - 102.5 %
Assay (acidimetric; calculated on dried substance):
98.5 - 100.5 %
Assay (acidimetric, calculated on dried substance according to JP):
98.0 - 101.0 %
Identity:
passes test
Appearance of solution:
passes test
In water insoluble matter:
≤ 0.15 %
pH-value (2 %; water):
9.0 - 9.4
pH-value (5 %; water):
9.0 - 9.3
Carbonate:
passes test
Chloride (Cl):
≤ 0.001 %
Sulfate (SO₄):
≤ 0.01 %
Heavy metals (as Pb):
≤ 0.0008 %
As (Arsenic):
≤ 0.0001 %
Fe (Iron):
≤ 0.001 %
Sodium dihydrogen phosphate (NaH₂PO₄):
≤ 0.8 %
Residual solvents (ICH Q3C):
excluded by production process
Substances reducing potassium permanganate (as O):
passes test
Loss on drying (130 °C):
57.0 - 61.0 %
Water (according to Karl Fischer):
57.0 - 61.0 %