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PO20:1—Cadmium-Barium Orange

Pigment Type

inorganic

Chemical Name

cadmium selenosulfide lithopone

Chemical Formula

CdS + CdSe + BaSO4

Properties

Cadmium Orange PO20:1 shares the properties of Cadmium Orange PO20, except that it has lower tinting strength.

Permanence

Cadmium selenosulfide lithopone has excellent lightfastness. It shares the permanance of pure cadmium selenosulphide (Cadmium Orange PO20).

Toxicity

Cadmium is a known human carcinogen. It is extremely toxic if inhaled and slightly toxic if ingested. Barium sulfate is extremely insoluble in water, and thus is not biologically active. It is used medically as a contrast medium in radiological procedures.

History

Cadmium Orange PO20:1 is cadmium orange pigment that contains 15% or more barium sulfate. It is used to create a fuller spectrum of reds and oranges from cadmiums, and also to create a less expensive alternative to PO20.

Alternate Names

Cadmium Orange, Cadmium Red Light