Description
Synonym: Nitric acid silver(I) salt
Linear Formula: AgNO3
Application
Silver nitrate can be used as a catalyst:
- For the Friedel-Crafts acylation of benzene derivatives to synthesize corresponding ketones.
- In the hydrolytic oxidation of organosilanes to produce hydrogen.
It can be used to prepare some supported acid catalysts for various organic transformations. For example:
- AgNO3–SiO2 based catalyst is used to dearomatize spirocyclization.
- Polyaniline-AgNO3-PTSA (para-toluene sulfonic acid) catalyst is used to synthesize anti-β-amino ketones via the three-component Mannich reaction of aromatic aldehydes, aromatic amines, and cyclohexanone.
AgNO3 is also used as a precursor salt to synthesize silver nanoparticles.
PROPERTIES
grade
ACS reagent
vapor density
5.8 (vs air)
Assay
≥99.0%
form
solid
reaction suitability
reagent type: catalyst
core: silver
clarity of soln
passes test
impurities
Free acid, passes test
≤0.01% not HCl pptd.
mp
212 °C (dec.) (lit.)
anion traces
chloride (Cl–): ≤5 ppm
sulfate (SO42-): ≤0.002%
cation traces
Cu: ≤2 ppm
Fe: ≤2 ppm
Pb: ≤0.001%
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