Description
ACS reagent, ≥99.0%
Synonym: Chile salpeter
Empirical Formula (Hill Notation): NaNO3
General description
Sodium nitrate is a water soluble inorganic salt that is commonly used in fertilizers. Due to its thermal stability at high temperature, it shows potential as a phase change material (PCM) for thermal energy storage.
Application
Sodium nitrate may be used for the modification of natural phosphate for use as a basic catalyst for Claisen-Schmidt condensation. It may also be used in the nitration of benzene in trifluoroacetic acid.
PROPERTIES
grade
ACS reagent
Pack Size
500g
Assay
≥99.0%
form
powder or crystals
impurities
≤0.005% insolubles
pH
5.5-8.3 (25 °C, 5%)
mp
306 °C (dec.) (lit.)
anion traces
chloride (Cl–): ≤0.001%
iodate (IO3–): ≤5 ppm
nitrite (NO2–): ≤0.001%
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.003%
cation traces
Ca: ≤0.005%
Fe: ≤3 ppm
Mg: ≥0.002%
heavy metals: ≤5 ppm (by ICP-OES)
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