Gold(I) chloride

  • Aurous chloride
Formula
AuCl
Structure
Description
Odorless, yellow powder.

Registry Numbers and Inventories.
CAS
10294-29-8
EC (EINECS/ELINCS)
233-655-8
S: 26 36/37/39
UN (DOT)
3260
Merck
12,4528
Canada DSL/NDSL
DSL
US TSCA
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
AuCl
Formula mass
232.42
Melting point, °C
170
Boiling point, °C
 
Density
7.57 g/cm3 (20 C)
Solubility in water
Insoluble

Hazards and Protection.
Storage
Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Store under lock and key and with access restricted to technical experts or their assistants only.
Protection
Protective work clothing. Chemical protective gloves. Safety glasses or goggles.
Small spills/leaks
Use neutralizing agent. Ensure adequate ventilation.
Stability
Decomposition will not occur if used and stored according to specifications.
Incompatibilities
Oxidizing agents. Gold can form explosive compounds with ammonia, ammonium hydroxide + aqua regia, and hydrogen peroxide.
Decomposition
Hydrogen chloride.

Fire.
Fire fighting
Use fire fighting measures that suit the surrounding fire. Wear self-contained respirator. Wear fully protective impervious suit.
Fire potential
Product is not flammable.
Combustion products
Hydrogen chloride.
Health
1
 
Flammability
0
 
 
Reactivity
1
 

Health.
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.
   Ingestion
Swallowing will lead to a strong corrosive effect on mouth and throat and to the danger of perforation of esophagus and stomach.
   Inhalation
Inhalation may result in respiratory effects such as inflammation, edema, and chemical pneumonitis. May cause coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting.
   Skin
May cause skin burns or irritation depending on the severity of the exposure.
   Eyes
Eye contact may result in permanent damage and complete vision loss.

First aid
 
   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.

Transport.
UN number
3260
Response guide
Hazard class
8
Packing Group
III