4N5 Indium Metal
| Appearance | Silver-white |
| Size/ Weight | 500+/-50g per ingot |
| Molecular Formula | In |
| Molecular Weight | 8.37 mΩ cm |
| Melting Point | 156.61°C |
| Boiling Point | 2060°C |
| Relative Density | d7.30 |
| CAS No. | 7440-74-6 |
| EINECS No. | 231-180-0 |
|
Chemical information |
|
|
In |
5N |
|
Cu |
0.4 |
|
Ag |
0.5 |
|
Mg |
0.5 |
|
Ni |
0.5 |
|
Zn |
0.5 |
|
Fe |
0.5 |
|
Cd |
0.5 |
|
As |
0.5 |
|
Si |
1 |
|
Al |
0.5 |
|
Tl |
1 |
|
Pb |
1 |
|
S |
1 |
|
Sn |
1.5 |
Indium is a white metal, extremely soft, extremely malleable and ductile. Cold weldability, and other metal friction can be attached, liquid indium excellent mobility. The metal indium is not oxidized by air at normal temperature, the indium starts to be oxidized at about 100℃, (At temperatures above 800 ℃), indium burns to form indium oxide, which has a blue-red flame. Indium is not obviously harmful to human body, but soluble compounds are toxic.
Description：
Indium is a very soft, silverywhite, relatively rare true metal with a bright luster. Like gallium, indium is able to wet glass. Indium has a low melting point, compared to those of most other metals.
Main Applications Indium’s current primary application is to form transparent electrodes from indium tin oxide in liquid crystal displays and touchscreens, and this use largely determines its global mining production. It is widely used in thin-films to form lubricated layers. It is also used for making particularly low melting point alloys, and is a component in some lead-free solders.
Application:
1.It is used in flat panel display coating, information materials, high temperature superconducting materials, special solders for integrated circuits, high-performance alloys, national defense, medicine, high-purity reagents and many other high-tech fields.
2.It is mainly used to make bearings and extract high purity indium, and also used in electronic industry and electroplating industry;
3.It is mainly used as a cladding layer (or made into an alloy) to enhance the corrosion resistance of metallic materials, and is widely used in electronic devices.
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