1 - Product Identification

Synonyms: Gold Powder

CAS: 7440-57-5

Formula Weight: 196.96654 (for pure Gold metal)

Chemical Formula: Au

2 - Composition

Gold: 99.99%

3 - Hazards     NFPA 704

Health Rating: - 0 Not dangerous

Flammability Rating: 0 - Not flammable

Reactivity Rating: ) 0 - Not reactive

Lab Protective Equip: Safety goggles

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: All Metal Powders are flammable. Dry chemical or carbon dioxide should be used on surrounding fire. Do not use water on fire where molten metal is present.

6 - Accidental Release Measures

Clean up in a way that doesn't disperse the powder 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: Brownish Gold colored powder.

Odor: Odorless.

Solubility: Not soluble in water.

Theoretical Density: 19.32 grams/cc (for solid gold)

Bulk Density, Powder: ~1.5 grams/cc (for gold powder)

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

Melting Point: 1,064.2°C (1,947.6°F).

Boiling Point: 2,808°C (5,086°F).

10 - Stability and Reactivity

Stability: Stable at room temperature in sealed containers.

Incompatibility: Avoid exposure to acids, acid fumes.

Unusual Fire and Explosive Hazards: None.

Special Note: Gold Powder is reactive with Aqua Regia.

11 - Toxicity

Acute oral toxicity: Toxicology not fully investigated.

Inhalation: Unknown. Avoid breathing all metal powders.

14. Transport Information

Non-hazardous for air, sea and road freight.

Not a DOT controlled material.