Cadmium oxide

CAS Number
1306-19-0
EC Number
215-146-2
Chemical Formula
CdO
Molecular Weight
128.41 g/mol

Description

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. It serves as a source material for producing other cadmium compounds and functional coatings where controlled electrical or catalytic properties are required for specific manufacturing applications.

In electronics manufacturing, it is used to produce electroplating baths and conductive thin-film coatings applied to contacts and semiconductors. The compound acts as a catalyst precursor in select organic synthesis processes. This includes the production of certain polymers and specialty chemicals. In the plastics and polymers sector, it has been used as a stabilizer component and pigment precursor for high-temperature processing.

Pulp and paper operations have historically employed cadmium compounds in specific process chemistry, though regulatory pressure has significantly narrowed this use in recent years across the global market. The material is supplied as a brown-to-black powder in technical and high-purity grades. Purity levels typically range from 99% to 99.999% (5N), with higher-purity material directed toward electronics.

Packaging is available in small laboratory quantities through to bulk industrial quantities. All shipments are subject to applicable hazardous materials handling requirements and safety protocols.

Other Names (Synonyms)

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

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

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)

Documentation

Safety & Handling 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.

Trade & Regulatory

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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