Alfa Aesar Potassium nitrite, ACS, 96.0% min
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Alfa Aesar Potassium nitrite, ACS, 96.0% min
MDL
MFCD00011408
EINECS
231-832-4
Chemical Properties
Formula
KNO2
Formula Weight
85.11
Form
Solid
Melting point
350° dec.
Density
1.915
Storage & Sensitivity
Hygroscopic. Store under Nitrogen. Ambient temperatures.
Solubility
Soluble in water, hot alcohol, liquid NH{3}Soluble in water, alcohol and ammonia.
Grade Specifications
Maximum level of impurities: Insoluble matter 0.01%, Cl 0.03%, SO4 0.01%, Ca 0.005%, Mg 0.002%, Heavy Metals (as Pb) 0.001%, Fe 0.001%, Na 0.5%
Applications
In analytical chemistry (testing for amino acids, cobalt, iodine, urea).Potassium nitrite is used as a food preservative, paint and coating additives and analytical reagent. It is used as a strong oxidizing agent as well as involved in the preparation of heat transfer salts. In addition, it is employed as corrosion inhibitors and anti-scaling agents.