Ammonium tetrachloroaurate(III) hydrate CMI Part 2034 Ammonium tetrachloroaurate(III) hydrate CAS Number13874-04-9 Molecular Weight361.77 Molecular FormulaNH4AuCl4.xH2O Download Specifications PDF Download Specifications PDF Request A Quote For all quote requests, please email Sales@colonialmetals.com or call 410.398.7200