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209139

Sigma-Aldrich

Silver nitrate

ACS reagent, ≥99.0%

Synonym(s):

Nitric acid silver(I) salt

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About This Item

Linear Formula:
AgNO3
CAS Number:
7761-88-8
Molecular Weight:
169.87
EC Number:
231-853-9
MDL number:
MFCD00003414
UNSPSC Code:
12352302
PubChem Substance ID:
329752056
NACRES:
NA.21

grade

ACS reagent

Quality Level

200

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%

storage temp.

room temp

SMILES string

[O-][N+]([O-])=O.[Ag+]

InChI

1S/Ag.NO3/c;2-1(3)4/q+1;-1

InChI key

SQGYOTSLMSWVJD-UHFFFAOYSA-N

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General description

Silver nitrate, also known as Nitric acid silver(I) salt, is an odorless, colorless, or white versatile inorganic compound widely used as an oxidant and cauterizing agent due to its sclerosing, dehydrating, and escharotic properties. It is commonly used as a catalyst in the hydrolytic oxidation of organosilanes, leading to the production of high hydrogen yield and organosilanols.

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.

Signal Word

Danger

Hazard Statements

H272,H290,H314,H360D,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Met. Corr. 1 - Ox. Sol. 2 - Repr. 1B - Skin Corr. 1A

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

危险化学品
易制爆化学品

Certificates of Analysis (COA)

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Catalytic hydrogen evolution from hydrolytic oxidation of organosilanes with silver nitrate catalyst
Teo AKL and Fan WY
Royal Society of Chemistry Advances, 4(71), 37645-37648 (2014)
Synthesis and electrical properties of uniform silver nanoparticles for electronic applications
Chen D, et al.
J. Mater. Sci., 44(4), 1076-1081 (2009)
Convenient Method for the Friedel-Crafts Acylation of Benzene Derivatives Using Silver Nitrate as Catalyst
Rai KML, et al.
Synthetic Communications, 41(7), 953-955 (2011)
Oxidation of aniline with silver nitrate accelerated by p-phenylenediamine: a new route to conducting composites
Patrycja B, et al.
Macromolecules, 43, 10406-10413 (2010)
Revitalising silver nitrate for caries management
Sherry Shiqian G, et al.
International Journal of Environmental Research and Public Health, 15, 80-80 (2018)
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