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HomeProduct name listGOLD(I) IODIDE

GOLD(I) IODIDE

Synonym(s):Gold monoiodide

  • CAS NO.:10294-31-2
  • Empirical Formula: AuI
  • Molecular Weight: 323.87
  • MDL number: MFCD00014175
  • EINECS: 233-656-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-10-17 17:11:55
GOLD(I) IODIDE Structural

What is GOLD(I) IODIDE?

Chemical properties

yellowish to greenish yellow powder(s); decomposes slowly at ordinary temp, rapidly at elevated temp [MER06]

The Uses of GOLD(I) IODIDE

Gold(I) iodide is employed in the synthesis of chemicals.

General Description

AuI can be prepared by adding KI in an acidic solution of HAuCl4.

Purification Methods

It has been prepared by heating gold and iodine in a tube at 120o for 4 months. Since it decomposes to Au and I2 in the presence of UV light and heat, then the main impurity is Au. The salt is therefore purified by heating at 120o with I2 for several weeks. The crystals should be kept dry and in a cool place in the dark. [Weiss & Weiss Z Naturforsch 11B 604 1956.]

Properties of GOLD(I) IODIDE

Melting point: 120 °C (dec.)(lit.)
Density  8.25 g/mL at 25 °C(lit.)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  insoluble in H2O; soluble in CN solution
form  Powder
color  yellowish-green
Specific Gravity 8.25
Water Solubility  Insoluble in water. Soluble in alkali iodide, cyanide solutions. Decomposes in warm acids
Sensitive  Moisture Sensitive
Solubility Product Constant (Ksp) pKsp: 22.8
Stability: store cold
CAS DataBase Reference 10294-31-2(CAS DataBase Reference)
EPA Substance Registry System Gold iodide (AuI) (10294-31-2)

Safety information for GOLD(I) IODIDE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
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) IODIDE

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