Color Swatch created using loose powder and was applied on 4" diameter × ½" deep dish of plastic material.
This color contains the following pigments:
PY42—Mars Orange
Pigment Type
inorganic, earth
Chemical Name
iron oxide
Chemical Formula
Fe2O2 or Fe2O3 • H2O
Properties
Mars Orange is a bright, extremely light red and appears almost pinkish in contrast with darker colors. It has incredible tinting strength and opacity. The synthetic form of Mars Orange is made from iron oxides and is cleaner, brighter, and denser than its ochre-based counterparts.
Permanence
Mars Orange has excellent permanence and lightfastness.
Toxicity
Mars Orange has no significant hazards.
History
The word Mars refers to the Roman god of iron and war. Mars Orange has been manufactured as a pigment since the 17th century.
Alternate Names
n/a
PBr23—Van Dyke Brown
Pigment Type
organic, disazo
Chemical Name
n/a
Chemical Formula
n/a
Properties
n/a
Permanence
n/a
Toxicity
n/a
History
This organic pigment has been called Van Dyke Brown because it is so similar to the brown used by Flemish painter Anthony van Dyck, although it is in fact a modern synthetic pigment. In addition to its use in art, it has been used as a pigment for coloring plastics and synthetic fibers.
Alternate Names
Cromophtal Brown, Microlith Brown