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01704-4961 — Saffron Yellow

Enriched with honey for a sticky texture and to aid dilution with water, Fragonard watercolors are intense and transparent. Blick offers Fragonard's full range of colors. Fragonard colors are evenly spread across the chromatic range.

Saffron Yellow

This color contains the following pigments:

PO5—Dinitraniline Orange
PY74—Hansa Yellow

PO5—Dinitraniline Orange

Pigment Type

monoazo

Chemical Name

n/a

Chemical Formula

C₁₆H₁₀N₄O₅

Properties

Dinitraniline Orange is a clean, bright, reddish orange. It is generally low cost and has an average drying time.

Permanence

Dinitraniline Orange has full to medium tone lightfastness.

Toxicity

Dinitraniline Orange is not considered toxic.

History

Unknown.

Alternate Names

Permanent Orange.

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PY74—Hansa Yellow

Pigment Type

monoazo

Chemical Name

n/a

Chemical Formula

C₁₈H₁₈N₄O₆

Properties

Pigment PY74 is one of the most commercially important pigments of the Hansa Yellow group, considered superior to many others in its class based on both tinting strength and lightfastness. Several PY74 grades with different particle sizes are available. Grades with finer particle size are more brilliant and transparent. Pigment PY74 ranges from reddish yellow to greenish yellow, with temperature shifts from cool to warm hues. It has high tinting strength and average to slow drying time.

Permanence

This Hansa Yellow has better lightfastness that other yellow monoazo pigments, particularly in the darker shades.

Toxicity

Hansa Yellow has no significant acute hazards, though its chronic hazards have not been well studied.

History

Hansa Yellows were first made in Germany just before WW1 from a series of synthetic dyestuffs called Pigment Yellow. They were intended to be a synthetic replacement for Cadmium Yellow.