Gold(III) chloride hydrate
ALDRICH/50780 - ~52% Au basis
Synonym: Auric chloride; Chloroauric acid; Hydrogen tetrachloroaurate(III) hydrate; Tetrachloroauric(III) acid
CAS Number: 27988-77-8
Empirical Formula (Hill Notation): HAuCl4 · xH2O
Molecular Weight: 339.79 (anhydrous basis)
EC Number: 240-948-4
MDL Number: MFCD00149903
Linear Formula: HAuCl4 · aq
Product Type: Chemical
| color | brown |
| concentration | ~52% Au |
| density | 3.9 g/mL at 25 °C |
| form | powder |
| InChI | 1S/Au.4ClH.H2O/h;4*1H;1H2 |
| InChI key | OVJUDSKPNIBLOO-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| reaction suitability | core: gold |
| SMILES string | O.Cl.Cl[Au](Cl)Cl |
| Application: | Gold(III) chloride hydrate can be used:• As a precursor to synthesize blue-emitting gold nanoclusters. • As a dopant to enhance the optoelectronic properties of single-walled carbon nanotubes. • To produce composite colloids of gold and polypyrrole. |
| General description: | Gold(III) chloride hydrate is a yellowish crystalline solid and a powerful oxidizing agent widely used in gold electroplating, catalyst synthesis, and organic transformations. |
| Packaging: | 1, 5 g in glass bottle |
| Symbol | ![]() GHS05,GHS07 |
| Signal word | Danger |
| Hazard statements | H302 - H314 - H317 |
| Precautionary statements | P260 - P270 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 |
| Hazard Codes | C |
| Risk Statements | 22-34-43 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3260 8 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Density | 3.9 g/mL at 25 °C |
| UNSPSC | 12352302 |



