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SZSE:002741
Chemical Reagents
Potassium nitrite COA Report
  • CAS No.:7758-09-0
  • Molecular weight:85.10
  • Aliases:Potassium nitrite?
  • Molecular formula:KNO2
  • UN Code:1488
  • EC No.:231-832-4
  • HS-No:28341000
Information
Specification category:
Product No. Product name specifications
1.01766.015 Potassium nitrite AR500g
1.01766.035 Potassium nitrite AR25kg
Characteristic: Appearance and properties: White or light yellow,prismatic or roblike crystal,moisture sensitive.
Relative density: 1.92(water=1)(20℃)
Melting point(℃): 440
Concentration: Pure
Solubility: Soluble in water,insoluble in ethanol.
Technical indicators:
Item AR CP
Assay(KNO2) ≥97.0% ≥94.0%
Clarity of solution Pass Pass
Insoluble matter in water ≤0.003% ≤0.005%
Chloride(Cl) ≤0.01% ≤0.02%
Sulfate(SO4) ≤0.005% ≤0.010%
Sodium(Na) ≤0.5% ≤1.0%
Calcium(Ca) ≤0.005% ≤0.001%
Iron(Fe) ≤0.0002% ≤0.0004%
Heavy metals(as Pb) ≤0.0005% ≤0.002%
Hazard characteristics:

IATA-DGR UN 1488 POTASSIUM NITRITE,5.1,Ⅱ

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