CAS AlkydPro Fast-Drying Alkyd Oil Color - Scarlet Ochre, 37 ml tube

Pigment Information

This color contains the following pigments:

PY42-Yellow Iron Oxide

PR166-Cromophtal Scarlet

Pigment Name

PY42-Yellow Iron Oxide

Pigment Type

Chemical Name

iron(III)-oxide, hydrated

Chemical Formula

Fe2O3 • H2O

Properties

Yellow Ochre provides artists with earthtones from cream to brown. It has good hiding power, produces a quick drying paint, and can be safely mixed with other pigments. Its transparency varies widely from opaque shades to more transparent ones, which are valued for their use as glazes. If gypsum is present, Yellow Ochre is not suitable for frescoing. (See Brown Ochre, PY43.) PY42 is made from synthetic iron oxides. PY43 is made from natural iron oxide.

Permanence

Yellow Ochre has excellent permanence because ochres are some of the most permanent pigments available.

Toxicity

Yellow Ochre is non-toxic unless it contains manganese.

History

Ochre comes from the Greek word ochros, meaning pale yellow. It was one of the first pigments to be used by human beings, and evidence of its use has been found at 300,000 year old sites in France and the former Czechoslovakia.

Pigment Name

PR166-Cromophtal Scarlet

Pigment Type

organic, disazo

Chemical Formula

Properties

Pigment Red 166 has a yellowish red tone. It is semi-transparent and has high tinting strength.

Permanence

Pigment Red 166 has very good lightfastness.

Toxicity

History

Pigment Red 166 is a disazo condensation pigment, and is used in paints, plastics, printing inks, packaging, textiles, and many other applications.