1.05065

Potassium nitrate

99.995 Suprapur^®

• Synonym(s): Potassium nitrate, Nitric acid potassium salt
• Empirical Formula (Hill Notation): KNO₃
• CAS Number: 7757-79-1
• Molecular Weight: 101.10
• UNSPSC Code: 12352302
• EC Index Number: 231-818-8
• NACRES: NB.21
• MDL number: MFCD00011409
• Assay: 99.995%
• Form: solid
• Solubility: 320 g/L

Properties

• Quality Segment: 100
• description: for inorganic trace analysis
• assay: 99.995%
• form: solid
• potency: 3015 mg/kg LD₅₀, oral (Rat)
• pH: 5.0-7.5 (20 °C, 50 g/L in H₂O)
• mp: 334 °C
• solubility: 320 g/L
• bulk density: 800 kg/m³
• 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

Description

Application

• Effect of potassium nitrate on antioxidants production of date palm (Phoenix dactylifera L.) in vitro.: This study explores the role of potassium nitrate in enhancing antioxidant production in date palm cultures, indicating potential applications in plant tissue culture and agricultural biotechnology (Aldaej et al., 2014).


• Bioflocculant production by Bacillus sp. Gilbert isolated from a marine environment in South Africa.: While the primary focus is on bioflocculant production, this research discusses the analysis and application potentials of potassium nitrate as a component in marine biotechnology, offering insights into microbial and environmental bioprocessing (Ugbenyen et al., 2014).


• 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

Purity (metallic): ≥ 99.995 %
Assay (acidimetric): ≥ 99.0 %
Chloride (Cl): ≤ 5 ppm
Sulfate (SO₄): ≤ 30 ppm
Al (Aluminium): ≤ 0.05 ppm
Ba (Barium): ≤ 1.0 ppm
Ca (Calcium): ≤ 0.1 ppm
Cd (Cadmium): ≤ 0.005 ppm
Ce (Cerium): ≤ 0.005 ppm
Co (Cobalt): ≤ 0.005 ppm
Cr (Chromium): ≤ 0.005 ppm
Cs (Cesium): ≤ 5 ppm
Cu (Copper): ≤ 0.005 ppm
Eu (Europium): ≤ 0.005 ppm
Fe (Iron): ≤ 0.05 ppm
Hg (Mercury): ≤ 0.01 ppm
La (Lanthanum): ≤ 0.005 ppm
Li (Lithium): ≤ 0.2 ppm
Mn (Manganese): ≤ 0.005 ppm
Mg (Magnesium): ≤ 0.10 ppm
Na (Sodium): ≤ 20 ppm
Ni (Nickel): ≤ 0.005 ppm
Pb (Lead): ≤ 0.005 ppm
Rb (Rubidium): ≤ 30 ppm
Sc (Scandium): ≤ 0.005 ppm
Sm (Samarium): ≤ 0.005 ppm
Sr (Strontium): ≤ 0.10 ppm
Tl (Thallium): ≤ 0.005 ppm
Y (Yttrium): ≤ 0.005 ppm
Yb (Ytterbium): ≤ 0.005 ppm
Zn (Zinc): ≤ 0.010 ppm

Legal Information

SUPRAPUR 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: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable