POTASSIUM NITRITE CRYST. FOR ANALYSIS

Analysis Note

Assay (cerimetric): ≥ 97.0 %
Insoluble matter: ≤ 0.01 %
pH-value (5 %; water): 7.0 - 10.0
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.0005 %
Ca (Calcium): ≤ 0.003 %
Fe (Iron): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.002 %
Na (Sodium): ≤ 0.5 %
Corresponds to ACS

Legal Information

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

Molecular Weight: 85.10. Empirical Formula: KNO₂. grade: ACS reagent. Quality Level: 300. product line: EMSURE^®. . Assay: ≥. 97.0% (cerimetric). form: solid. impurities: ≤. 0.01% Insoluble matter. pH: 7-10 (20 . °C, 50 . g/L in H₂O). mp: 407 . °C. solubility: 2810 . g/L. density: 1.92 . g/cm³ . at 20 . °C. bulk density: 980 . kg/m³. anion traces: chloride (Cl^-): ≤. 0.005%, sulfate (SO₄^2-): ≤. 0.005%. cation traces: Ca: ≤. 0.003%, Fe: ≤. 0.0005%, Mg: ≤. 0.002%, Na: ≤. 0.5%, heavy metals (as Pb): ≤. 0.0005%. storage temp.: 2-30°C. InChI: 1S/K.HNO2/c. 2-1-3/h. (H,2,3)/q+1. /p-1. InChI key: BXNHTSHTPBPRFX-UHFFFAOYSA-M. Pictograms: GHS03,GHS06,GHS09. Signal Word: Danger. Hazard Statements: H272 - H301 - H400. Precautionary Statements: P210 - P220 - P264 - P273 - P280 - P301 + P310. Hazard Classifications: Acute Tox. 3 Oral - Aquatic Acute 1 - Ox. Sol. 2. Storage Class Code: 5.1B - Oxidizing hazardous materials. WGK: WGK 2. Flash Point(F): Not applicable. Flash Point(C): Not applicable.