1 - Product Identification

Synonyms: Silver(I) Carbonate

CAS: 534-16-7

Formula Weight: 275.75 (78.23% Silver metal by weight)

Chemical Formula: Ag₂CO₃

2 - Composition

Silver: 78.23%

Carbon: 4.37%

Oxygen: 17.4%

3 - Hazards    NFPA 704

Health Rating: -

Flammability Rating: 0 - Not flammable

Reactivity Rating: 0 - Not reactive

Lab Protective Equip: Safety goggles, dust respirator. Good ventilation.

4 - First Aid Measures

Ingestion: If swallowed, give plenty of water. Get medical attention if symptoms appear.

Skin or Eye Contact: Flush with plenty of water. Get medical attention if symptoms appear.

5 - Fire Fighting Measures

Fire: Silver Carbonate does not burn. If involved in a fire, it first converts into Silver Oxide, then into Silver Powder.

6 - Accidental Release Measures

Wear protective equipment. Clean up in a way that doesn't disperse the crystals into the air.

7 - Handling and Storage

Store in a closed container. Silver Carbonate is light sensitive. It does not absorb moisture from the air.

9 - Physical and Chemical Properties

Appearance: Yellow to yellow-grey colored powder.

Odor: Odorless.

Solubility: 0.033g/1000ml water @ 20°C (68°F).

Specific Gravity: 6.0

pH: none - does not affect the pH of solutions.

Melting Point: Decomposes to Silver Oxide at 218°C (424°F).

Dissolves in acid, releasing CO₂ gas.

10 - Stability and Reactivity

Stability: Stable at room temperature in sealed containers.

All sources of Chlorine will change Silver Carbonate into the white Silver Chloride.

11 - Toxicity

Acute oral toxicity (LD50) 3.73g/kg - Mouse, 5g/kg - Guinea Pig.

Inhalation causes mucus membrane irritation.

14. Transport Information

Non-hazardous for air, sea and road freight.

Not a DOT controlled material.