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Cadmium Bromite
Indium(III) Selenide  (In2Se3)
 Cadmium Compounds 
Cadmium Compounds

Atomic number:  48               Period Number: 5              Group Number: 12

Cadmium & Compounds

A bluish-grey metal, cadmium (Cd) is closely related to the similar metal zinc, appearing in the same ores and being produced as a result of zinc refining. 


Despite being a relatively unknown material in the general conscious, cadmium and its compounds play critical roles in countless applications.

  • Batteries. The vast majority of cadmium, over 85% as of 2009, used commercially goes to the production of batteries, mostly rechargeable nickel-cadmium batteries.
  • Electroplating. A further 6% of global cadmium production goes into electroplating to protect steel components and tools from corrosion. This is primarily seen in the aircraft industry, though not exclusively.
  • Nuclear control rods. Cadmium acts as a so-called ‘neutron poison’ in the control rods used in nuclear reactors. By inserting these rods into active materials, further fission can be slowed and reactivity reduced.  
  • Pigment. A significant but decreasing portion of global cadmium production goes to the production of certain yellow, orange, and white pigments. Concerns about toxicity have seen this usage shrink in recent years.
  • Coatings. Outside of aircraft electroplating, cadmium and its compounds are also used for various other protective coatings.
  • Lasers. Cadmium is a primary component in the production of certain lasers used in the research of light.  
  • Low-melt alloys. Various solders, bearing alloys, and antifriction materials use cadmium as a component element.
  • Solar. Despite reduced use in a number of other fields due to toxicity concerns, cadmium has found new potential in solar technology.

Available from AHP Materials

Cadmium Resources:
Wikipedia - Basics on Cadmium
Chemicool - Cool way to learn about Cadmium
WebElements - The basic elements of Cadmium
Jefferson Lab - Learning about Cadmium

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