Sodium dihydrogen phosphate monohydrate

grade

ACS reagent

Quality Level

200
300

Agency

reag. Ph. Eur.

product line

EMSURE^®

Assay

99.0-102.0% (alkalimetric)

form

crystals

potency

>2000 mg/kg LD₅₀ oral (Rat)
>7940 mg/kg LD₅₀ skin (Rabbit)

impurities

≤0.01% Insoluble matter

pH

4.1-4.5 (25 °C 50 g/L in H₂O)

solubility

850 g/L

density

2.04 g/cm³ at 20 °C

bulk density

880 kg/m³

anion traces

chloride (Cl^–): ≤0.0005%
sulfate (SO₄^2-): ≤0.003%

cation traces

Ca: ≤0.005%
Fe: ≤0.0005%
K: ≤0.005%
N: ≤0.001%
heavy metals: ≤0.0005%

UV absorption

λ: 280 nm A_max: ≤0.05

storage temp.

2-30°C

SMILES string

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

InChI

1S/Na.H3O4P.H2O/c;1-5(2 3)4;/h;(H3 1 2 3 4);1H2/q+1;;/p-1

InChI key

BBMHARZCALWXSL-UHFFFAOYSA-M