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Tetrachloroaurate Solution | CAS: 16903-35-8

"Synonym(s)": Auricacid, Tetrachloroauric, Tetrachloroauric acid, Gold chloride

Internal Heraeus Name: Tetrachloroaurate Solution | CAS: 16903-35-8

Product Details

  • ID
  • Color
  • Physical State
  • Molecular weight
    339,79  g/mol
  • Product Type
  • Packaging Type
    5 Liter Bottle Narrow Neck  


Price upon Request

Additional Information


Heraeus Ident-No. 81147494
CAS - Number 16903-35-8


Chemical formula HAuCl4
Counter Ion Chloride

Precious Metal Content

Gold 37.00 - 43.50 %

Classification of the Substance or Mixture

Substance or mixture corrosive to metals Category 1
Acute toxicity Category 4
Skin corrosion Category 1B
Serious eye damage Category 1
Specific target organ toxicity - repeated exposure Category 2
Long-term aquatic hazard Category 2
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Benefits and Applications

Tetrachloroacid is used as a precursor for heterogeneous catalysts. Furthermore, tetrachloroauric acid serves as the starting substance to produce other gold compounds. In addition, tetrachloroauric acid is used in electroplating. Another area of ​​application is the use of tetrachloroauric acid for gold plating.