Product Identification

Product Name

Digold trioxide

Synonyms

Auric oxide
Digold trioxide
Gold sesquioxide
Gold trioxide

CAS

1303-58-8

Formula

Au2O3

Molecular Weight

441.93

EINECS

215-122-1

Merck

12,4545

Physical and Chemical Properties

Appearance

Odorless, brown powder.

Solubility in water

Insoluble

Melting Point

150

Density

3.6 g/cm3 (20 C)

First Aid Measures

Ingestion

Seek medical treatment.

Inhalation

Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.

Skin

Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.

Eyes

Rinse opened eye for several minutes under running water. Then consult a doctor.

Handling and Storage

Storage

Keep container tightly sealed. Store in cool, dry place in tightly closed containers. Store in the dark

Exposure Controls/Personal Protection

Personal Protection

Impervious gloves. Safety glasses. Protective work clothing.

Exposure Effects

Gold compounds may cause irritation to the eyes and respiratory tract. Aplastic anemia may result from damage to the blood forming organs. Gold has caused tumors and reproductive effects in laboratory animals via implant, intraperitoneal and subcutaneous routes.

Fire Fighting Measures

Fire Fighting

Product is not flammable. Use fire fighting measures that suit the surrounding fire. Wear self-contained respirator. Wear fully protective impervious suit.

Accidental Release Measures

Small spills/leaks

Pick up mechanically.

Stability and Reactivity

Stability

Decomposition will not occur if used and stored according to specifications.

Incompatibilities

Gold can form explosive compounds with ammonia, ammonium hydroxide + aqua regia, and hydrogen peroxide.