Cadmium Antimonide (CdSb) Semiconductors

Topics Covered

Chemical Properties
Mechanical Properties
Safety Information


Cadmium antimonide is a crystalline solid that does not occur in nature. It is an II-V compound semiconductor that is stable and does not undergo hazardous polymerization. It readily reacts with potassium, oxidizing agents and strong acids. It forms hydrogen gas, cadmium oxide and airborne cadmium fumes upon decomposition.


Cadmium antimonide finds applications in the following:

  • Solar energy or fuel cells
  • Etching

Chemical Properties

The chemical properties of cadmium antimonide are provided in the table below:

Chemical Properties
Chemical Formula CdSb
Molecular Weight 234.171
CAS No. 12014-29-8
Group Cadmium – 12
Antimony - 15
Crystal Structure Orthorhombic

Mechanical Properties

The mechanical properties of cadmium antimonide are provided in the tables below:

Mechanical Properties
Density 6.92 g/cm3
Melting Point 456°C
Specific Gravity 7.28 g/cm3

Safety Information

Safety Information
GHS Hazard Statements H316 - May cause an allergic skin reaction
H335 - May cause respiratory irritation
H373 - May cause damage to organs through prolonged or repeated exposure.
Safety Precautions P220 - Keep/Store away from clothing/combustible materials
P301+310 - If swallowed, immediately call a POISON CENTER or doctor/physician.
P306+360 - If on clothing, rinse immediately contaminated clothing and skin with plenty of water before removing clothes.

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