Fosfato de sodio dibásico

Nombre del producto

Fosfato de sodio dibásico, anhydrous for analysis EMSURE^® ACS,Reag. Ph Eur

InChI

1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

SMILES string

[Na+].[Na+].[H]OP([O-])([O-])=O

InChI key

BNIILDVGGAEEIG-UHFFFAOYSA-L

grade

ACS reagent

agency

reag. Ph. Eur.

product line

EMSURE^®

assay

≥99.0% (alkalimetric)

form

solid

potency

>2000 mg/kg LD₅₀, oral (Rat)

impurities

≤0.01% Insoluble matter

loss

≤ 0.2% loss on drying, 105 °C

pH

8.7-9.3 (20 °C, 10 g/L in H₂O)

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

mp

>450 °C

bulk density

880 kg/m³

anion traces

chloride (Cl^-): ≤0.002%
sulfate (SO₄^2-): ≤0.005%

cation traces

Cu: ≤0.0003%
Fe: ≤0.001%
K: ≤0.01%
Pb: ≤0.001%
heavy metals: ≤0.001%

storage temp.

2-30°C

Quality Level

300