Blick Artists' Acrylic - Cadmium Orange, 4.65 oz tube

Item #:00624-4534
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Cadmium Orange
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Cadmium Orange

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California Proposition 65


CL Cautionary Label

Products bearing the CL seal of the Art & Creative Materials Institute ("Caution Label") contain ingredients that are toxic or hazardous, but when used in properly supervised and controlled conditions, they can be enjoyed with complete safety.

Product Details

Artists' Acrylic
Cadmium Orange
4.65 oz (138 ml)

Pigment Information

This color contains the following pigments:

PO20:1-Cadmium-Barium Orange

Pigment Name

PO20:1-Cadmium-Barium Orange

Pigment Type

inorganic, cadmium

Chemical Name

cadmium selenosulfide lithopone

Chemical Formula

CdS + CdSe + BaSO4


Cadmium Orange PO20:1 shares the properties of Cadmium Orange PO20, except that it has lower tinting strength. Cadmium Orange was the first true orange and was made by mixing Cadmium Yellow with Cadmium Red. It is a pure hue with excellent opacity and low toxicity compared with its predecessors. It also has very high hiding power. The greatest tinting strengths are possessed by the deeper shades. Only the highest grades contain pure Cadmium Orange without barium mixed in it. Cadmium pigments have been partially replaced by azo pigments, which are similar in lightfasness to the cadmium colors, cheaper, and non-toxic.


Cadmium selenosulfide lithopone has excellent lightfastness. It shares the permanance of pure cadmium selenosulphide (Cadmium Orange PO20). However, cadmium colors are not recommended for outdoor use, or for mural and fresco painting.


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


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. Cadmiums get their names from the Latin word cadmia, meaning zinc ore calamine, and the Greek word kadmeia, meaning Cadmean earth,  first found near Thebes, the city founded by the Phoenician prince Cadmus. Metallic cadmium was discovered in 1817 by Friedrich Strohmeyer. It was used sparingly after its discovery due to the scarcity of cadmium metal.

Safety Data Sheet

UPC Code: 741389009306