λ | 0.5 M in H2O |
anion traces | sulfate (SO42-): ≤50 mg/kg, chloride (Cl-): ≤10 mg/kg |
assay | ≥99.5% (T) |
cation traces | Bi: ≤5 mg/kg, Sr: ≤10 mg/kg, Mo: ≤5 mg/kg, Al: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Cr: ≤5 mg/kg, Mn: ≤5 mg/kg, As: ≤0.2 mg/kg, Mg: ≤5 mg/kg, Ca: ≤10 mg/kg, Pb: ≤5 mg/kg, Cu: ≤5 mg/kg, Ba: ≤5 mg/kg, Fe: ≤5 mg/kg, Zn: ≤5 mg/kg, Ni: ≤5 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg |
form | fine crystals, powder, coarse powder |
grade | for molecular biology |
impurities | phosphatases, none detected, RNases, none detected, ≤0.001% total nitrogen (N), proteases, none detected, insoluble matter, passes filter test, DNases, none detected |
InChI key | BNIILDVGGAEEIG-UHFFFAOYSA-L |
InChI | 1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2 |
loss | ≤0.1% loss on drying, 110 °C |
pH | 8.8-9.4 (25 °C, 0.5 M in H2O) |
pKa (25 °C) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
product line | BioUltra |
Quality Level | 200 |
SMILES string | [Na+].[Na+].[H]OP([O-])([O-])=O |
solubility | H2O: 0.5 M at 20 °C, clear, colorless |
UV absorption | λ: 280 nm Amax: ≤0.020, λ: 260 nm Amax: ≤0.025 |