50790

Gold(III) chloride hydrate

~50% Au basis

• Synonym(s): Auric chloride, Chloroauric acid, Hydrogen tetrachloroaurate(III) hydrate, Tetrachloroauric(III) acid
• Linear Formula: HAuCl₄ · aq
• CAS Number: 27988-77-8
• Molecular Weight: 339.79 (anhydrous basis)
• EC Number: 240-948-4
• MDL number: MFCD00149903
• UNSPSC Code: 12352302
• PubChem Substance ID: 57651272
• NACRES: NA.23

Properties

• form: powder or crystals
• concentration: ~50% Au
• color: yellow
• density: 3.9 g/mL at 25 °C
• SMILES string: O.Cl.Cl[Au](Cl)Cl
• InChI: 1S/Au.4ClH.H2O/h;4*1H;1H2/q+3;;;;;/p-3
• InChI key: OVJUDSKPNIBLOO-UHFFFAOYSA-K

Description

General description

Gold (III) chloride hydrate,also known as chloroauric acid, is used as precursor to synthesize gold nanoparticles. It also exihibits very high catalytic activity.

Application

Used as a catalyst in asymmetric aldol reactions, diboration of vinylarenes, dehydrogenative dimerizations of trialkystannanes, carbonylation of olefins and amines, C-C, C-O bond couplings, oxidation of sulfides, selective oxidation of thioethers.

Safety Information

• pictograms: GHS08,GHS05,GHS07,GHS09
• signalword: Danger
• hcodes: H290,H302,H314,H373,H411
• pcodes: P260 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338 - P314
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - STOT RE 2 Oral
• target_organs: Kidney
• Storage Class: 8B - Non-combustible corrosive hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges