Basic Information of Cuprous Iodide
- Product Name (English): Cuprous Iodide
- English aliases: Copper(I) iodide, Copper iodide(I)
- Industry Abbreviations: CuI
- Other language names: Iodure de cuivre(I) (French), Kupfer(I)-iodid (German),Йодид меди(I)(Russian), 요오드화구리(I)(Korean),يوديد النحاس (I)(Arabic)
- CAS number: 7681-65-4
- EINECS number: 231-674-6
- UN number: 3260
- Hazard class: 8 (Corrosive substances)
- Molecular formula: CuI
- Molecular weight: 190.45 g/mol
- Product Grade: Industrial grade, Analytical reagent (AR), Electronic grade
- Main uses: Catalyst in organic synthesis (Heck reaction, Suzuki reaction), photovoltaic materials, pharmaceutical intermediate, animal feed additive
Physicochemical Properties of Cuprous Iodide
- Appearance and smell: White to pale yellow crystalline powder, odorless
- Solubility: Insoluble in water, ethanol, acetone; soluble in concentrated iodide solutions, ammonia water and dilute nitric acid
- Boiling point: 1290 °C
- Melting point: 605 °C
- Density: 5.62 g/cm³
- Moisture absorption: Non-hygroscopic, stable in air
- Purity: 98% min (industrial grade), 99.5% min (analytical grade), 99.99% min (electronic grade); Iodine content:66%min
- Toxicity: Low toxicity; may cause irritation to eyes, skin and respiratory tract
- Stability: Stable in air and water; decomposes at high temperature to release iodine vapor
- Particle size: 100-300 mesh (customizable)
Supplementary Technical Details for Cuprous Iodide
- Production methods: Reduction method (copper sulfate + potassium iodide + reducing agent), direct reaction of copper and iodine
- Acute toxicity (LD50): 1100 mg/kg (oral, rat)
- Chronic toxicity: Long-term excessive exposure may cause copper accumulation in the body
- Upstream and downstream products (raw materials): Copper sulfate, potassium iodide, copper metal, iodine
- Upstream and downstream products (downstream): Pharmaceuticals, solar cell materials, feed additives, organic synthesis products
- Quality Standards: Enterprise standard, GB/T 23046-2008 (modified)
- Detection methods: Atomic absorption spectrometry, titration analysis, X-ray fluorescence spectroscopy
- Transportation methods: Road transport, sea transport (non-dangerous goods for general quantities)
- Payment methods: T/T, L/C
Packaging and Storage of Cuprous Iodide
- Packaging: 1 kg vacuum-sealed aluminum foil bags, 25 kg fiber drums with plastic liners
- Storage: Store in cool, dry, well-ventilated warehouse; avoid direct sunlight and high temperature
- Shelf Life: 36 months when stored properly in original packaging
- CAS number: 7681-65-4
- Molecular formula: CuI
- Molecular weight: 190.45 g/mol
- Implementation Standards: Enterprise standard, GB/T 23046-2008 (modified)
- Precautions: Avoid generating dust; use in well-ventilated environment; wear basic protective equipment
- After-sales service: Technical support, quality testing report, customized particle size
Applications of Cuprous Iodide
Organic Synthesis Field
Cuprous Iodide is a transition metal catalyst widely used in Ullmann coupling reactions, Sonogashira coupling reactions, C-N/C-O bond formation reactions, and others.Due to its advantages of high catalytic efficiency and mild reaction conditions, Cuprous Iodide is a key reagent in the synthesis of fine chemical intermediates.
Ullmann coupling reaction: Under copper(I) iodide catalysis, it can be used in the preparation of side chains for cephalosporin antibiotics, the synthesis of biphenyl liquid crystal materials, or the synthesis of aryloxyalkyl herbicides, etc.
Sonogashira coupling reaction: Copper(I) iodide, used as a co-catalyst, can broaden the range of reaction substrates and improve reaction efficiency, and is commonly used in fine chemicals, pharmaceuticals, and materials science.
Optoelectronic Materials Field
- Electronic-grade Cuprous Iodide is a raw material component of CIGS thin-film solar cells, offering the advantages of low cost and good stability.
- Electronic-grade Cuprous Iodide can be used as a luminescent material in auxiliary layers, or as a substrate for fluorescent probes, etc.
- Electronic-grade Cuprous Iodide can be compounded with other metal powders to prepare conductive inks, which exhibit good conductivity and strong adhesion.
Pharmaceutical and Bioengineering Fields
- Pharmaceutical-grade Cuprous Iodide can be used as an active ingredient in research, for example, in antibacterial excipients and osteogenic materials.
- Pharmaceutical-grade Cuprous Iodide can also be used in trace amounts to regulate drug release or as a coating for medical devices.
Analytical Testing and Other Fields
- Reagent-grade Cuprous Iodide can be used for the qualitative and quantitative detection of heavy metal ions such as mercury ions and silver ions.Used as an auxiliary reagent in iodometric titration analysis, acting as a slow-release agent for iodide ions;Or it can be used as a color enhancer in certain colorimetric reactions.
- Feed-grade Cuprous Iodide, when added in trace amounts to animal feed, helps to supplement both copper and iodine elements, promoting animal growth and development.
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