HomePaint and MediumsGouacheWinsor & Newton Designers GouacheWinsor & Newton Designers Gouache - Red Ochre, 14 ml tube

Winsor & Newton Designers Gouache - Red Ochre, 14 ml tube

Item #:00801-3682
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Red Ochre
Red Ochre

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AP Non-Toxic.

Products bearing the AP seal of the Art & Creative Materials Institute, Inc. (ACMI) are certified non-toxic. A product can be certified non-toxic only if it contains no materials in sufficient quantities to be toxic or injurious to humans, or to cause acute or chronic health problems.

Product Details

Color:
Red Ochre
Mfg #:
0605564
Series:
1
No.
564
Size:
14 ml

Pigment Information

This color contains the following pigments:

PR12-Permanent Bordeaux

PR101-Red Iron Oxide


Pigment Name

PR12-Permanent Bordeaux

Pigment Type

organic, monoazo

Chemical Formula

Properties

Permanent Bordeaux has excellent tinting strength.

Permanence

Permanent Bordeaux is reported to have good lightfastness.

Toxicity

History

Permanent Bordeaux (PR12) was discovered by H. Wagner in 1921. It has been used in many printing inks, plastics colorants, textile paints, and industrial paints. It is widely manufactured.


Pigment Name

PR101-Red Iron Oxide

Pigment Type

earth, synthetic

Chemical Name

iron oxides (synthetic), iron oxide, silica, alumina, lime, and magnesia or hydrated iron oxide

Chemical Formula

Fe2O2 or Fe2O3 • H2O

Properties

Red iron oxide varies in hue and transparency, depending on hydration and slight impurities. Indian Red is a slightly duller, deep brick hue with a bluish undertone. It is very dense and opaque, with excellent tinting strength and covering power. It is dependable when mixing with all other permanent pigments and yields good flesh tints when mixed with Zinc White. It is the synthetic version of PR102, which is a pigment made from earth reds, or natural red iron oxides, and the names applied to PR101 and PR102 often overlap. The synthetic red iron oxides have mostly replaced natural red iron oxides and are brighter, stronger, finer, and more permanent. Indian Red is the highest grade bluish shade. Light Red, English Red, and Venetian Red are yellowish shades. Mars Violet is a dull and subdued bluish or purplish oxide.

Permanence

Red iron oxide is very lightfast with excellent permanence.

Toxicity

Red iron oxide has no significant hazards.

History

Natural red iron oxide comes from the mineral ore hematite, called bloodstone by the ancient Greeks from the word hema, meaning blood. It is one of the oldest pigments, has been used by every major civilization, and was an important mineral for medieval alchemists. It was not widely used in artists' materials until the 17th century and was not produced in large quantities until the 18th century.


Safety Data Sheet

UPC Code: 50947379

ASIN #: B0052XXDO0