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Utrecht Artists' Oil Paint - Cadmium-Free Yellow Medium, 37 ml tube

Item #:02122-4203
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Cadmium-Free Yellow Medium
Cadmium-Free Yellow Medium

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Product Details

Color:
Cadmium-Free Yellow Medium
Size:
37 ml
Format:
Tube

The cadmium oil colors you love, now in a cadmium-free formula! Utrecht Cadmium-Free Artists’ Oil Colors offer the same buttery texture, outstanding lightfastness, and excellent performance of Utrecht Cadmium Artists’ Oil Colors, but they're safe for artists — and safe for the environment. The eight vibrant colors have improved color richness, increased brilliance, and better color spacing than their cadmium counterparts.

Pigment Information

This color contains the following pigments:

PY73-Hansa Yellow

PY110-Isoindolinone Yellow

PW4-Zinc White

PY184-Bismuth Yellow


Pigment Name

PY73-Hansa Yellow

Pigment Type

monoazo

Chemical Formula

C17H15ClN4O5

Properties

This Hansa Yellow ranges from reddish yellow to greenish yellow with temperature shifts from cool to warm hues. It has good tinting strength and average to slow drying time.

Permanence

This Hansa Yellow has excellent lightfastness, 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.


Pigment Name

PY110-Isoindolinone Yellow

Pigment Type

organic synthetic

Chemical Name

isoindolinone yellow

Chemical Formula

Properties

Isoindolinone Yellow is a high performance pigment of excellent brightness and an average drying time.

Permanence

Isoindolinone Yellow has excellent lightfastness.

Toxicity

Isoindolinone Yellow is not considered toxic.

History

The first isoindoline pigments were patented in 1946, and commercial production of pigments in this group began in the 1960s. Several isoindoline yellow pigments are available.


Pigment Name

PW4-Zinc White

Pigment Type

inorganic

Chemical Name

zinc(II)-oxide

Chemical Formula

ZnO

Properties

Zinc White is the coolest white, and it has a cold, clean masstone and a slightly bluish tint. It has less hiding power and is more transparent than other whites. It dries slowly and is good for painting wet into wet and for glazing and scumbling. Zinc White is neither as opaque nor as heavy as Lead White, its covering power is not as good, and it takes much longer to dry. However, it does not blacken when exposed to sulfur in the air as Lead White does. It is very valuable for making tints with other colors. Unmixed Zinc White dries to a brittle and dry paint film that may crack over the years, so it is not good for frescoing. It is more transparent in acrylic form than Titanium White and is the most commonly used white with gouache. Chinese White is a version of Zinc White appropriate for opaque watercolor techniques.

Permanence

Zinc White has great permanence and lightfastness.

Toxicity

Zinc White is moderately toxic if ingested and slightly toxic if inhaled.

History

Though historians are divided on who first isolated the element zinc, they agree that it was first suggested as a white pigment in 1782. Zinc White was accepted as a watercolor in 1834 and was called Chinese White due to the popularity of oriental porcelain in Europe at the time. Ten years later, a suitable oil form was produced. By the early 20th century, it had improved to the point where it was an acceptable alternative to Flake White.


Pigment Name

PY184-Bismuth Yellow

Pigment Type

inorganic

Chemical Name

bismuth orthovanadate or bismuth vanadium oxide

Chemical Formula

BiVO4

Properties

Bismuth Yellow is an intense, light value, semi-opaque yellow pigment with good tinting strength.

Permanence

Bismuth Yellow has excellent lightfastness.

Toxicity

Bismuth orthovanadate is harmful if swallowed. It is irritating to the eyes, respiratory system, and skin. Exposure may cause conjunctivitis, rhinitis, and reversible irritation of the respiratory tract. More severe cases may cause bronchitis, bronchospas

History

Bismuth orthovanadate occurs naturally in several minerals. Although it was synthesized in the 1920s, it was not developed as a commercial pigment until the 1970s.


Safety Data Sheet