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About This Item
Product Name
di-Sodium hydrogen phosphate dihydrate, for analysis EMSURE®
InChI
1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2
SMILES string
O.O.[Na+].[Na+].OP([O-])([O-])=O
InChI key
KDQPSPMLNJTZAL-UHFFFAOYSA-L
grade
Laboratory Reagent
product line
EMSURE®
assay
≥99.5% (acidimetric)
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
pH
9.0-9.2 (20 °C, 50 g/L in H2O)
mp
92.5 °C (Elimination of water of crystallisation)
solubility
93 g/L
density
2.1 g/cm3 at 20 °C
bulk density
850‑1000 kg/m3
anion traces
chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.005%
cation traces
Cu: ≤0.0003%
Fe: ≤0.001%
K: ≤0.005%
N: ≤0.001%
Pb: ≤0.001%
heavy metals (as Pb): ≤0.001%
storage temp.
2-30°C
Quality Level
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Other Notes
Analysis Note
Identity: passes test
pH-value (5 %; water): 9.0 - 9.2
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Cu (Copper): ≤ 0.0003 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %
Application
- Buffering agent in size exclusion chromatography (SEC) analysis of adalimumab.
- Phosphorus source in the synthesis of hydroxyapatite via wet chemical precipitation.
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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