542040

Potassium nitrate

99.999% trace metals basis

• Synonym(s): Saltpeter
• Empirical Formula (Hill Notation): KNO₃
• CAS Number: 7757-79-1
• Molecular Weight: 101.10
• EC Number: 231-818-8
• MDL number: MFCD00011409
• UNSPSC Code: 12352302
• PubChem Substance ID: 24878578
• NACRES: NA.23
• assay: 99.999% trace metals basis
• form: crystalline

Properties

• Quality Level: 100
• assay: 99.999% trace metals basis
• form: crystalline
• reaction suitability: core: potassium
• technique(s): flow cytometry: suitable
• impurities: ≤15.0 ppm Trace Metal Analysis
• mp: 334 °C (lit.)
• SMILES string: [K+].[O-][N+]([O-])=O
• InChI: 1S/K.NO3/c;2-1(3)4/q+1;-1
• InChI key: FGIUAXJPYTZDNR-UHFFFAOYSA-N

Description

Application

• Improving drought and salinity tolerance in barley by application of salicylic acid and potassium nitrate: Studies the ameliorative effects of potassium nitrate and salicylic acid on barley, showing improved tolerance to drought and salinity stress (KA Fayez, SA Bazaid, 2014).
• Prior application of 10% potassium nitrate to reduce post-bleaching sensitivity: a randomized triple-blind clinical trial: Evaluates the use of potassium nitrate in reducing sensitivity post dental bleaching, providing clinical evidence of its effectiveness (M Rezende, KL da Silva, TC Miguel, PV Farago, 2020).

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
• ppe: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges