High Purity Indium Metal In CAS 7440-74-6 For ITO Target Of LCD And Flat Screen

The metal indium is a rare silver-white metal with the chemical symbol In, located in Group IIIA of the fifth cycle of the periodic table. Although indium is found in extremely low amounts in the Earth's crust, its unique physical and chemical properties make it a core material in many high-tech fields.

Indium has good ductility, strong plasticity, low melting point, low resistivity, and excellent electrical conductivity and light permeability. Therefore, it is widely used in the electronics industry, especially as a key material in liquid crystal displays (LCD) and flat panel displays (FPD) for the production of ITO (indium tin oxide) transparent conductive films, significantly improving display clarity and allowing touch screen operation. In addition, indium is also used in solar panels to improve the efficiency of photoelectric conversion.

In addition to the electronics industry, indium has important applications in alloy manufacturing, welding materials, medical fields (such as the radioactive isotope indium-111 for nuclear medical imaging), and defense technology. For example, indium is alloyed with metals such as tin and lead to make low-melting alloys and superconducting materials; Its low melting point feature makes it the ideal choice of lead-free soldering in electronic equipment.

product details

products features

Name: Indium metal, Indium foil

Molecular formula: In

CAS: 7440-74-6

Molecular weight: 114.82

Description

Indium is silvery white and slightly bluish metal. It is very soft and can be scored with nails. Indium has strong plasticity, ductility and can be pressed into pieces. 90% of the world's indium production comes from by-products of lead-zinc smelters. The recovery of indium is mainly from the smelting dross, slag and anode mud of copper, lead and zinc. Indium is recovered from the zinc processing residue by acid leaching, and then separated chemically from the accompanying element impurities (such as zinc, cadmium, aluminum, arsenic and antimony). The product with 99.9% purity was obtained through the final purification of salt by water electrolysis under controlled potential.

Specification

Name		In_6N	In_5N	In_4N
Molecular formula		In	In	In
CAS		7440-74-6	7440-74-6	7440-74-6
In	%	≥99.9999	≥99.999	≥99.99
Total impurities	%	≤1.0×10-4	≤10×10-4	≤100×10-4
Fe	%	≤0.1×10-4	≤0.5×10-4	≤5×10-4
Cu	%	≤0.1×10-4	≤0.5×10-4	≤5×10-4
Pb	%	≤0.1×10-4	≤1.0×10-4	≤10×10-4
Zn	%	≤0.05×10-4	≤0.5×10-4	≤10×10-4
Sn	%	≤0.3×10-4	≤1.0×10-4	≤10×10-4
Cd	%	≤0.05×10-4	≤0.5×10-4	≤5×10-4
Al	%	≤0.05×10-4	≤0.5×10-4	≤10×10-4
Si	%	≤0.1×10-4	≤1.0×10-4	≤10×10-4
S	%	≤0.1×10-4	≤1.0×10-4	≤10×10-4
property		Silver-white solid
Application Area		Indium is mainly used to form indium tin oxide (ITO) transparent electrode for LCD and touch screen devices.
package		conventional packaging, flexible packaging according to customer needs

Packing: topical 5kg / bag or 1kg / bag conventional packaging, also provided small package: 100g, 200g, 500g, vacuum small package.

Used

1. The first large-scale application of indium was used in the coating of high-performance aircraft bearings in World War II. After that, indium phosphide semiconductors and indium tin oxide thin films have attracted extensive attention in the application of LCD screens. At present, indium is mainly used to form indium tin oxide (ITO) transparent electrode for LCD and touch screen devices.

2. Indium is called "the vitamin of alloy". Special alloy can be made by using the low melting point of indium alloy. The service life of bearing alloy made by adding a small amount of indium is 4-5 times that of general bearing alloy. Because indium has strong corrosion resistance and light reflection ability, it can be made into warship or passenger ship Mirror on.

3. Indium is sensitive to neutron radiation and can be used as monitoring material in atomic energy industry. In medicine, indium colloid is often used in liver, spleen and bone marrow scanning. Indium alloy can also be used in dental treatment, steel and non-ferrous metal anti-corrosion decoration, plastic metallization, etc.