di-Sodium hydrogen phosphate dihydrate

InChI key

KDQPSPMLNJTZAL-UHFFFAOYSA-L

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

grade

Molecular Biology

product line

BioUltra

assay

≥99.0% (T)

form

crystals

impurities

DNases, none detected, RNases, none detected, insoluble matter, passes filter test, phosphatases, none detected, proteases, none detected, ≤0.001% total nitrogen (N)

pH

8.9-9.2 (25 °C, 0.5 M in H₂O)

solubility

H₂O: 0.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl^-): ≤10 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, 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, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

λ

0.5 M in H₂O

UV absorption

λ: 260 nm A_max: 0.03, λ: 280 nm A_max: 0.03

application(s)

diagnostic assay manufacturing

Quality Level

200