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Description

Color Swatch

Pigment Info

00495-3760 — Old Holland Red Gold Lake

Old Holland has been making artist colors since 1664, as one of the oldest continuously operating companies in the art supply industry. The company is known for uncompromising adherance to its techniques and standards. All color making is done by hand

Old Holland Red Gold Lake

This color contains the following pigments:

PY95—Disazo Condensation Yellow
PR177—Anthraquinone Red

PY95—Disazo Condensation Yellow

Pigment Type

organic, disazo condensation

Chemical Name

n/a

Chemical Formula

n/a

Properties

Pigment PY95 is a semi-transparent reddish yellow pigment with high tinting strength, slightly less reddish in hue than the popular PY83.

Permanence

For a yellow organic pigment, Disazo Condensation Yellow 95 has very good lightfastness, although its lightfastness is not as good as that of red disazo condensation pigments.

Toxicity

Disazo Condensation Yellow has no significant acute hazards. Chronic hazards have not been well studied.

History

Disazo Condensation Yellow PY95 is sometimes used in yellow inkjet printer inks and other high-grade, special purpose inks.

Alternate Names

Cromophtal Yellow GR, Transparent Yellow.

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PR177—Anthraquinone Red

Pigment Type

anthraquinone

Chemical Name

n/a

Chemical Formula

C₁₄H₈O₂

Properties

Anthraquinone Red is a magenta colored pigment that is transparent and moderately intense. It tends to fade in tints and is suitable for all media.

Permanence

Anthraquinone Red has good lightfastness and permanence in its masstone, while its tint lightfastness is moderate. Overall lightfastness and permanence varies by brand.

Toxicity

Anthraquinone Red has no significant acute toxicity.

History

Anthraquinone pigments originated as textile vat dyes before being used as pigments. They became more popular with artists once it was discovered that careful preparation and grinding helped them to retain brilliance of color.