Silver nitrite

• Catalog No.: 11418
• CAS Number: 7783-99-5
• M. F.: AgNO2
• M. W.: 153.8737
• Purity: 99% (metals basis)

SYNONYMS

• Title: 亚硝酸银
• IUPAC name: silver(1+) ion nitrite
• IUPAC Traditional name: silver(1+) ion nitrite

DATABASE IDS

• Merck Index: 148519
• MDL Number: MFCD00003413
• CAS Number: 7783-99-5
• EC Number: 232-041-7

PROPERTIES

• Purity: 99% (metals basis)
• Apperance: Crystalline
• Density: 4.45
• Melting Point: 140°C dec.
• GHS Hazard statements: H272-H400-H410-H315-H319
• European Hazard Symbols: Irritant (Xi)
• European Hazard Symbols: Oxidising (O)
• European Hazard Symbols: Nature polluting (N)
• GHS Precautionary statements: P221-P280G-P273-P305+P351+P338-P501A
• Risk Statements: 8-36/38-50/53
• Safety Statements: 17-26-37-60-61
• Storage Warning: Light Sensitive
• TSCA Listed: 是
• Hazard Class: 5.1
• UN Number: UN2627
• Packing Group: II

REFERENCES

• Forms complexes with alkenes, used in the separation of mixtures; see, e.g.: Org. Synth. Coll., 5, 315 (1973).
• For a brief feature on uses of the reagent in synthesis, see: Synlett, 3016 (2005).
• Promotes the reactivity of NCS in the cleavage of 2-acylated 1,3-dithianes: Synthesis, 17 (1969), and of NBS in the 1-bromination of terminal alkynes: Angew. Chem. Int. Ed., 23, 727 (1984).
• In combination with Br₂ or I₂ in refluxing methanol, brings about the rearrangement of acetophenones to methyl arylacetates, a reaction previously induced by thallium(III) nitrate: J. Chem. Soc., Perkin 1, 235 (1982):
  
• The Hunsdiecker reaction of Ag salts of carboxylic acids with Br₂ provides alkyl bromides with one less carbon atom which is lost as CO₂; see, e.g.: Org. Synth. Coll., 3, 578 (1955). Reviews: Chem. Rev., 56, 219 (1956); Org. React., 9, 332 (1957). Compare also Mercury(II) oxide, A16157.
• For the alkylation of substrates by radicals derived from decarboxylation of acids, see Trimethylacetic acid, A10776.