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209139

Sigma-Aldrich

Silver nitrate

ACS reagent, ≥99.0%

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Synonym(s):
Nitric acid silver(I) salt
Linear Formula:
AgNO3
CAS Number:
7761-88-8
Molecular Weight:
169.87
EC Number:
231-853-9
MDL number:
MFCD00003414
PubChem Substance ID:
329752056
NACRES:
NA.21

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%

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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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 - H410

Hazard Classifications

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

Storage Class Code

5.1B - Oxidizing hazardous materials

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

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Catalytic hydrogen evolution from hydrolytic oxidation of organosilanes with silver nitrate catalyst
Teo AKL and Fan WY
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