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Cadmium Metal

Cadmium Metal

CAS No.: 7440-43-9

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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

image003

GHS08 Health Hazard

image004


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