Sigma-Aldrich Di-Sodium Hydrogen Phosph.

Agency

reag. ISO
reag. Ph. Eur.

Quality Level

300

Product Line

EMSURE^®

Assay

99.0-102.0% (alkalimetric)

Form

solid

Potency

>2000 mg/kg LD₅₀, oral (Rat)

Composition

Water, 57-61%

Impurities

≤2.5% Sodium Dihydrogene phospate

Ph

9.0-9.3 (20 °C, 50 g/L in H₂O)

Solubility

218 g/L

Related Categories

Exclusive Savings

Phosphates

Salts

Linkage

Replaces: SX0718; SX0718-1

Analysis Note

Assay (alkalimetric): 99.0 - 102.0 %
Identity: passes test
Appearance of solution: passes test
Sodium Dihydrogene phospate: ≤ 2.5 %
pH-value (5 %; water): 9.0 - 9.3
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.00005 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.005 %
Pb (Lead): ≤ 0.0005 %
Reducing substances: passes test
Water: 57.0 - 61.0 %
Corresponds to ISO,Reag. Ph EurEMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany