Merck Potassium nitrate

Agency:  reag. ISO

              reag. Ph. Eur.

Quality Level:  300

product line:  EMSURE®

Assay:  ≥99.0% (alkalimetric)

Form:  solid

Potency:  3015 mg/kg LD50, oral (Rat)

pH:  5.0-7.5 (20 °C, 50 g/L in H2O)

mp:   334 °C

bulk density:  800 kg/m3

anion traces:

chloride (Cl-): ≤0.001%

iodate (IO3-): ≤0.0005%

nitrite (NO2-): ≤0.001%

phosphate (PO43-): ≤0.0005%

sulfate (SO42-): ≤0.003%

cation traces:

Ca: ≤0.001%

Cu: ≤0.0001%

Fe: ≤0.0003%

Mg: ≤0.0015%

NH4+: ≤0.001%

Na: ≤0.02%

Pb: ≤0.0001%

heavy metals (as Pb): ≤0.0005%

storage temp.:  2-30°C

SMILES string:  [K+].[N+](=O)([O-])[O-]

InChI:  1S/K.NO3/c;2-1(3)4/q+1;-1

InChI key:  FGIUAXJPYTZDNR-UHFFFAOYSA-N

Application

• The scientific rationale and development of an optimized dentifrice for the treatment of dentin hypersensitivity.: This clinical study details the development of a dentifrice containing potassium nitrate, aimed at treating dentin hypersensitivity, showcasing the compound′s application in dental health products (Tavss et al., 2004).

Analysis Note

Assay (alkalimetric): ≥ 99.0 %

pH-value (5 %; water): 5.0 - 7.5

Chloride (Cl): ≤ 0.001 %

Iodate (IO₃): ≤ 0.0005 %

Nitrite (NO₂): ≤ 0.001 %

Phosphate (PO₄): ≤ 0.0005 %

Sulfate (SO₄): ≤ 0.003 %

Heavy metals (as Pb): ≤ 0.0005 %

Ca (Calcium): ≤ 0.001 %

Cu (Copper): ≤ 0.0001 %

Fe (Iron): ≤ 0.0003 %

Mg (Magnesium): ≤ 0.0015 %

Na (Sodium): ≤ 0.02 %

NH₄ (Ammonium): ≤ 0.001 %

Pb (Lead): ≤ 0.0001 %

Corresponds to ISO,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany