Cadmium oxide

CAS Number
1306-19-0
EC Number
215-146-2

What is Cadmium oxide?

Cadmium oxide (CAS 1306-19-0), also known as cadmium monoxide, is an inorganic compound used primarily as a precursor and catalyst in industrial chemical synthesis and electrochemical processes.

Where is Cadmium oxide used?

  • Source material for other cadmium compounds and functional coatings with controlled electrical or catalytic properties
  • Electronics: electroplating baths and conductive thin-film coatings for contacts and semiconductors
  • Catalyst precursor in select organic synthesis processes, including certain polymers and specialty chemicals
  • Plastics and polymers: stabilizer component and pigment precursor for high-temperature processing
  • Pulp and paper operations have historically employed cadmium compounds in specific process chemistry.

Good to know: Regulatory pressure has significantly narrowed the pulp and paper use in recent years. All shipments are subject to applicable hazardous materials handling requirements and safety protocols.

Commercial specifications

  • Purity levels typically range from 99% to 99.999% (5N), with higher-purity material directed toward electronics
  • Packaging from small laboratory quantities through to bulk industrial quantities

Other Names (Synonyms)

Cadmium(II) oxide|cadmium monoxide|cadmium fume|Cadmium oxide (CdO)|0H3KWS8KJ3|RefChem:573249|CADMIUM FUME (AS Cd)

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What are the physical properties of Cadmium oxide?

Melting Point 900-1000 °C
Boiling Point 1385 °C
Density 8.15 g/cm³
Appearance Cadmium oxide forms brownish-red crystals or a yellow to dark brown amorphous powder.
Color brown
Odor Odorless
Form powder
Water Solubility insoluble. <0.1 g/100 mL at 20 ºC
pH 9-10 (H2O)(aqueous suspension)

How is Cadmium oxide classified and handled safely? Learn More

Danger
GHS06· Toxic GHS08· Health Hazard GHS09· Environmental Hazard GHS05· Corrosive GHS07· Irritant

Hazard Statements

H301 Toxic if swallowed
H315 Causes skin irritation
H318 Causes serious eye damage
H319 Causes serious eye irritation

Precautionary Statements

P203 Obtain, consult and follow expert instructions for use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.

Which trade and regulatory codes apply to Cadmium oxide?

HS Code 2825 90 60
UN Number 2570
ADR Class 6.1
Packing Group III
Storage Class 6.1A - Combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
WGK (Germany) 2
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