1.05063

Potassium nitrate

for analysis EMSURE^® ISO,Reag. Ph Eur

• Synonym(s): Potassium nitrate, Nitric acid potassium salt
• Empirical Formula (Hill Notation): KNO₃
• CAS Number: 7757-79-1
• Molecular Weight: 101.10
• MDL number: MFCD00011409
• UNSPSC Code: 12352302
• EC Index Number: 231-818-8
• NACRES: NA.21

Properties

• 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 (PO₄^3-): ≤0.0005%; sulfate (SO₄^2-): ≤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
• InChI: 1S/K.NO3/c;2-1(3)4/q+1;-1
• InChI key: FGIUAXJPYTZDNR-UHFFFAOYSA-N

Description

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

Safety Information

• Pictograms: GHS03
• signalword: Warning
• hcodes: H272
• pcodes: P210 - P220 - P280 - P370 + P378 - P501
• Hazard Classifications: Ox. Sol. 3
• Storage Class: 5.1B - Oxidizing hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable