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Features
CAS No.: | 7440-43-9 |
Linear Formula: | Cd |
Material: | Pure Cadmium |
Purity: | 99% - 99.99999% |
Appearance: | Silvery bluish-gray solid |
Shape: | Disc, granules, ingot, pellets, pieces, powder, rod, wire, sputtering target, etc. |
Cadmium Metal Description
Cadmium Metal is a silver-white element that is known for its versatility and unique properties. Cadmium is like tin and can be easily polished. It also makes a distinctive crackling sound when bent, like its metal counterpart.
Cadmium can be cut into thin pieces because it has low melting and boiling points. When it's heated, it makes a thick yellow liquid that shows how it's made up of only one part. When it's dry, Cadmium stays strong, but when it's wet, it forms a protective coating called an oxide. But be careful because inhaling cadmium dust or vapor can make you sick.
Cadmium is mostly used in electroplating processes to keep steel, iron, copper, brass, and other alloys from getting corroded. It can handle strong chemicals and is better than zinc in harsh environments. Cadmium plating is better than other types of plating because it has smaller grains and is easier to apply.
Cadmium helps rechargeable batteries work better and last longer by combining with nickel or silver oxide electrodes. Cadmium is a light metal that's good for airplanes because it stays stable even when it's discharged.
Also, Cadmium likes heavy metals and helps make strong alloys like bearing alloys and low-melting brazing alloy. In copper alloys, adding 1% Cadmium makes them stronger and harder, but it doesn't affect how well they conduct electricity. Its ability to form solders with a high shear strength, especially when combined with zinc, shows how versatile it is in different industrial applications.
Cadmium is used in nuclear technology as a control rod for certain reactors because it absorbs thermal neutrons well. In the field of materials science, Cadmium Metal is a great example of how new and reliable it can be, from electroplating to aerospace.
Applications and Related Industries for Cadmium Metal
● Semiconductors
● High-purity alloys
● Batteries
● Solders
● Control rods in nuclear reactors
● Solar cells
● Infrared detectors
● Metal plating
● Research & Laboratory
Chemical Identifiers
Linear Formula | Cd |
MDL Number | MFCD00010914 |
EC No. | 231-152-8 |
Beilstein/Reaxys No. | 8137359 |
Pubchem CID | 23973 |
SMILES | [Cd] |
InchI Identifier | InChI=1S/Cd |
InchI Key | BDOSMKKIYDKNTQ-UHFFFAOYSA-N |
Cadmium Metal Properties (Theoretical)
Molecular Weight | 112.41 |
Appearance | Silvery bluish-gray solid |
Melting Point | 321 °C |
Boiling Point | 767 °C |
Density | 8.65 g/cm3 |
Solubility in H2O | N/A |
Electrical Resistivity | 7.27 μΩ-cm (22 °C) |
Electronegativity | 1.69 Paulings |
Heat of Fusion | 6.21 kJ/mol |
Heat of Vaporization | 99.87 kJ/mol |
Poisson's Ratio | 0.30 |
Specific Heat | 0.231 kJ/kg·°K (25 °C) |
Thermal Conductivity | 96.6 W/(m·K) |
Thermal Expansion | 30.8 µm/(m·K) (25 °C) |
Young's Modulus | 50 GPa |
Cadmium Metal Health & Safety Information
Signal Word | Danger |
Hazard Statements | H330-H341-H350-H361-H372 |
Hazard Codes | T+, Xn, N |
Precautionary Statements | P260-P281-P284-P320-P405-P501 |
Risk Codes | R26 R45-48/23/25 R50/53 R62-68-63 |
Safety Statements | N/A |
RTECS Number | EU9800000 |
Harmonized Tariff Code | 8107.90 |
Transport Information | NONH for all modes of transport |
WGK Germany | 3 |
GHS Pictograms | GHS06 Skull and Crossbones
GHS08 Health Hazard
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