567547
Sodium phosphate dibasic
Molecular Biology Grade; Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.
Recommended Products
Quality Level
Assay
≥99% (titration)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
desiccated (hygroscopic)
color
white
pKa (25 °C)
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)
solubility
water: 10%
cation traces
heavy metals (as Pb): ≤0.001%
absorption
≤0.01 at 260 nm
≤0.01 at 280 nm
foreign activity
DNases, proteases, RNases, none detected
shipped in
ambient
storage temp.
10-30°C
SMILES string
[Na+].[Na+].[H]OP([O-])([O-])=O
InChI
1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
InChI key
BNIILDVGGAEEIG-UHFFFAOYSA-L
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This Item | 71640 | 567550 | 795410 |
|---|---|---|---|
| assay ≥99% (titration) | assay ≥99.0% (T) | assay - | assay ≥99% |
| form solid | form powder (or crystals) | form solid | form powder |
| storage condition OK to freeze, desiccated (hygroscopic) | storage condition - | storage condition OK to freeze, desiccated | storage condition - |
| color white | color - | color white | color - |
| solubility water: 10% | solubility - | solubility water: soluble | solubility - |
| cation traces heavy metals (as Pb): ≤0.001% | cation traces Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg, heavy metals: ≤0.001% (by ICP-OES) | cation traces heavy metals: ≤0.001% | cation traces Fe: ≤0.002%, heavy metals: ≤0.001% (by ICP-OES) |
General description
Warning
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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