Cadmium oxide
Cadmium oxide is an inorganic compound with formula CdO.
- 1Names
- 2Formulae and structures
- 3Properties
- 4Constituents
- 5Thermodynamic properties
- 6Solubility
- 7Hazards
- 8Preparations
- 9Chemical reactions
- 10References
- 11Related substances
- 12Related categories
Names
List of substance names
- Typical name
- Cadmium oxide
- Compositional nomenclature
- Cadmium oxide
Formulae and structures
List of formulae
- Typical formula
- CdO
- Compositional formula
- CdO
- Structural formula
- Lewis structure
- Colored Lewis structure
Properties
List of substance properties
Constituents
Constituent ions
Ion | Name | Charge number | Number |
---|---|---|---|
Cd2+ | Cadmium ion | 2 | 1 |
O2− | Oxide ion | -2 | 1 |
Constituent atoms
Atom | Name | Oxidation state | Number |
---|---|---|---|
Cd | Cadmium | +2 | 1 |
O | Oxygen | −2 | 1 |
Ratio of atoms
Atom | Atomic weight | Number | Atomic ratio | Weight ratio |
---|---|---|---|---|
Cd | 112.414 | 1 | 50.00% | 87.54% |
O | 15.999 | 1 | 50.00% | 12.46% |
Thermodynamic properties
Phase transition properties
- Enthalpy of fusion
- –
- Enthalpy of vaporization
- –
- Enthalpy of vaporization at 25°C
- 225.1 kJ · mol−1[1]
- Enthalpy of other transition
- –
Standard thermodynamic properties
Solubility
Qualitative solubility
Hazards
GHS label[3]
- Hazard pictograms
GHS06: Skull and crossbones GHS07: Exclamation mark GHS08: Health hazard GHS09: Environment
- Signal word
- Danger
- Hazard statements
- H301: Toxic if swallowed
- H330: Fatal if inhaled
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- H341: Suspected of causing genetic defects
- H350: May cause cancer
- H361: Suspected of damaging fertility or the unborn child
- H370: Causes damage to organs
- H370: Causes damage to respiratory system
- H370: Causes damage to digestive system
- H372: Causes damage to organs through prolonged or repeated exposure
- H372: Causes damage to respiratory system through prolonged or repeated exposure
- H372: Causes damage to kidney through prolonged or repeated exposure
- H372: Causes damage to bone through prolonged or repeated exposure
- H372: Causes damage to cardiovascular system through prolonged or repeated exposure
- H400: Very toxic to aquatic life
- H410: Very toxic to aquatic life with long lasting effects
Physical hazards[3]
Health hazards[3]
Environmental hazards[3]
Preparations
Reaction of metal and nonmetal
The reaction of cadmium oxide. and can yield
Reaction of hydroxide base and dehydrating basic oxide
The reaction of hydroxide base and dehydrating basic oxide can yield cadmium oxide.
Decomposition
Decomposition of thermally decomposable substance can yield cadmium oxide.
Reaction of active metal and water
The reaction of and water yields cadmium oxide and .
Chemical reactions
Reaction with acid
The reaction of cadmium oxide and acid yields salt and water.
Reaction with acidic oxide
The reaction of cadmium oxide and acidic oxide yields oxoacid salt.
Reaction with water
The reaction of cadmium oxide and water yields cadmium hydroxide.
Reaction with reducing nonmetal
The reaction of cadmium oxide yields elementary substance/oxide and . and
Reaction with reducing species
The reaction of reducing species and cadmium oxide yields a variety of products.
Reaction with oxidizable species
The reaction of oxidizable species and cadmium oxide yields a variety of products.
Reaction with oxidizing species
The reaction of cadmium oxide and yields cadmium chloride and .
References
List of references
- 1James G. Speight (2017)Lange's Handbook of Chemistry, 17th editionMcGraw Hill Education
- 2Janiel J. Reed (1989)The NBS Tables of Chemical Thermodynamic Properties: Selected Values for Inorganic and C1 and C2 Organic Substances in SI UnitsNational Institute of Standards and Technology (NIST)
- 3Chemical Management CenterGHS Classification ResultsNational Institute of Technology and Evaluation