1 - Product Identification

Synonyms: Silver(I) Sulfide

CAS: 21548-73-2

Formula Weight: 247.80 (87.06% Silver metal by weight)

Chemical Formula: Ag₂S

2 - Composition

Silver: 87.06%

Sulfur: 12.94%

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 Sulfide does not burn.

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. It does not absorb moisture from the air.

9 - Physical and Chemical Properties

Appearance: Black powder.

Odor: Odorless.

Solubility: 0.00014g/1000ml water @ 20°C (68°F).

Specific Gravity: 7.234

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

Melting Point: 845°C (1,553°F).

10 - Stability and Reactivity

Stability: Stable at room temperature in sealed containers.

11 - Toxicity

Acute oral toxicity Toxicology not fully investigated.

Inhalation causes mucus membrane irritation.

14. Transport Information

Non-hazardous for air, sea and road freight.

Not a DOT controlled material.