GOLD (I) CHLORIDE
Synonym(s):Aurous chloride;Gold monochloride
- CAS NO.：10294-29-8
- Empirical Formula: AuCl
- Molecular Weight: 232.42
- MDL number: MFCD00046175
- EINECS: 233-655-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:15:32
What is GOLD (I) CHLORIDE?
Chemical properties
Yellow orthorhombic crystals; density 7.6 g/cm3; decomposes on heating at about 298°C; loses its stoichiometric composition at 170°C; very slightly soluble in cold water; decomposes in hot water; soluble in hydrochloric and hydrobromic acids, and alkali cyanide solutions.
Physical properties
Yellow orthorhombic crystals; density 7.6 g/cm3; decomposes on heating at about 298°C; loses its stoichiometric composition at 170°C; very slightly soluble in cold water; decomposes in hot water; soluble in hydrochloric and hydrobromic acids, and alkali cyanide solutions.
The Uses of GOLD (I) CHLORIDE
Gold(I) chloride is used as a starting material for the preparation of Phosphine ligated gold(I) complexes, which is used as catalysts in synthetic chemistry. It is also used to prepare metallic gold and potassium auric bromide and potassium chloride.
Preparation
Gold(I) chloride is prepared by thermal decomposition of gold trichloride: AuCl3 AuCl + Cl2.
General Description
The structure of gold chloride is monoclinic. It sublimes at elevated temperatures.
Properties of GOLD (I) CHLORIDE
| Melting point: | 289 °C (dec.)(lit.) |
| Density | 7.57 g/mL at 25 °C(lit.) |
| storage temp. | Inert atmosphere,2-8°C |
| form | Powder |
| color | Yellow to green |
| Specific Gravity | 7.57 |
| Water Solubility | Very slightly soluble in water. soluble in HCl, HBr organic solvents. |
| Sensitive | Moisture Sensitive |
| Merck | 14,4515 |
| Solubility Product Constant (Ksp) | pKsp: 12.7 |
| CAS DataBase Reference | 10294-29-8(CAS DataBase Reference) |
| EPA Substance Registry System | Gold chloride (AuCl) (10294-29-8) |
Safety information for GOLD (I) CHLORIDE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H317:Sensitisation, Skin |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for GOLD (I) CHLORIDE
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