Documents
1.19753
di-Sodium hydrogen phosphate dihydrate
buffer substance for chromatography LiChropur™
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Quality Level
Assay
≥99.0% (acidimetric)
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
technique(s)
HPLC: suitable
pH
9.0-9.4 (20 °C, 50 g/L in H2O)
mp
92.5 °C (Elimination of water of crystallisation)
density
2.1 g/cm3 at 20 °C
bulk density
850‑1000 kg/m3
storage temp.
2-30°C
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
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1 of 4
This Item | 1.37036 | 1.06580 | 58087 |
|---|---|---|---|
| form solid | form solid | form solid | form - |
| pH 9.0-9.4 (20 °C, 50 g/L in H2O) | pH 8.9-9.2 (5% in H2O) | pH 9.0-9.4 (20 °C, 50 g/L in H2O) | pH 8.8-9.4 |
| mp 92.5 °C (Elimination of water of crystallisation) | mp 92.5 °C (Elimination of water of crystallisation) | mp 92.5 °C (Elimination of water of crystallisation) | mp - |
| density 2.1 g/cm3 at 20 °C | density 2.1 g/cm3 at 20 °C | density 2.1 g/cm3 at 20 °C | density - |
| Quality Level 100 | Quality Level 500 | Quality Level 300 | Quality Level - |
Analysis Note
pH-value (5 %; water): 9.0 - 9.2
Assay (acidimetric): ≥ 99.0 %
Self-absorption (215 nm; 0.2 mol/l; 1 cm; water): ≤ 0.15
Self-absorption (220 nm; 0.2 mol/l; 1 cm; water): ≤ 0.05
Self-absorption (254 nm; 0.2 mol/l; 1 cm; water): ≤ 0.02
Legal Information
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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