Silver Carbonate

Basic Information of Silver Carbonate

CAS No.	534-16-7
EC No.	208-590-3
Chemical Formula	Ag₂CO₃
Molecular Weight	275.75 g/mol
Appearance	Fine pale yellow to light grayish powder
Odor	Odorless
Melting point	Decomposes ~218 °C to Ag + CO₂ + O₂
Boiling point	Not applicable (decomposes)
Density	5.56 g/cm³
Solubility	Low solubility in water (0.0033 g/100 mL at 20 °C); soluble in dilute acids, ammonia, cyanide solutions
Nature (hazards)	Causes skin and eye irritation, harmful if swallowed or inhaled, toxic to aquatic life with long lasting effects
RIDADR	UN 3077, Environmentally hazardous substance, solid, n.o.s. (Silver carbonate), Class 9, Packing Group III
Chemical Structure

Primary Applications of Silver Carbonate

Silver Carbonate provides a mild, carbonate-based source of Ag⁺ ions and is widely used in synthesis, catalysis, and antimicrobial formulations.

1. Silver Nanoparticle Synthesis
   Preferred precursor for controlled reduction in aqueous or organic media to produce monodisperse Ag nanoparticles for plasmonics, SERS substrates, antimicrobial coatings, and catalysis.

2. Organometallic Silver Complex Synthesis
   Serves as starting material for preparing Ag(I) complexes with phosphines, carbenes, or other ligands in coordination chemistry and homogeneous catalysis research.

3. Antimicrobial & Biocidal Applications
   Incorporated into coatings, textiles, medical devices, and polymers for controlled release of Ag⁺ ions with strong antimicrobial activity against bacteria and fungi.

4. Supported Silver Catalyst Preparation
   Used in impregnation or reduction to deposit Ag on carbon, alumina, or oxide supports for selective oxidation and ethylene oxide catalysis.

5. Advanced Materials & Electrochemistry
   Employed in preparation of silver oxide/carbonate composites, reference electrodes, and functional materials requiring controlled silver ion release.

6. Organic Synthesis & Reagent Applications
   Used as a mild oxidant or silver source in organic transformations, such as halide-to-acetate exchange or silver-assisted reactions.

• Accurate Silver Content & Purity
  Precise analytical control ensures uniform Ag content, low heavy metal impurities, and batch reproducibility for reliable reduction or synthesis performance.

• Secure Precious Metal Sourcing
  Transparent, responsible silver procurement with inventory buffering to provide supply stability and competitive pricing.

• Technical Application Support
  Dedicated specialists provide advice on reduction protocols, nanoparticle stabilization, antimicrobial formulation, and process optimization.

• Full Regulatory Compliance
  Comprehensive COA, REACH, RoHS, and detailed SDS documentation to facilitate global operations and audits.

• Sustainability & Recycling Commitment
  Ethical sourcing practices and silver recovery/recycling programs aligned with ESG objectives and circular economy principles.

Hazards Classification

• GHS Classification: Skin Irritation (Category 2); Eye Irritation (Category 2A); Acute Toxicity, Oral (Category 4); Aquatic Chronic (Category 2)

• Hazard Statements: H315: Causes skin irritation; H319: Causes serious eye irritation; H302: Harmful if swallowed; H411: Toxic to aquatic life with long lasting effects

• UN Number: UN 3077

• Hazard Class: 9 (Miscellaneous dangerous substances and articles)

• Packing Group: III