Synonyms: Tetrachloroauric(III) acid, Hydrogen tetrachloroaurate(III) 

Molecular Weight: 393.83

Linear Formula: HAuCl₄ · 3H₂O

CAS Number: 16961-25-4 

Properties: Orange hygroscopic, light sensitive crystals.

Synonyms: Auric chloride, Chloroauric acid, Hydrogen tetrachloroaurate(III) hydrate, Tetrachloroauric(III) acid

Molecular Weight: 339.79

Linear Formula: HAuCl₄ · xH₂O

CAS Number: 27988-77-8

Properties: Brown hygroscopic, light sensitive crystals.

Synonyms: Gold trichloride, Auric chloride

Molecular Weight: 393.83

Linear Formula: HAuCl₄ · 3H₂O

CAS Number: 16903-35-8

Properties: Yellow to orange liquid.

Synonyms: Potassium dicyanoaurate(I), Potassium gold cyanide

Molecular Weight: 288.33

Linear Formula: KAu(CN)₂

CAS Number: 13967-50-5

Properties: Clear, water-soluble crystals.