Chroma A2 Student Acrylics - India Yellow, 120 ml tube

Item #:00656-4164
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Chroma A2 Student Acrylic - India Yellow, 120 ml tube and swatch

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Product Details

Color:
India Yellow
Size:
120 ml
Format:
Tube
No.
6564164
Mfg #:
781

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Pigment Information

This color contains the following pigments:

PO5-Dinitraniline Orange

PY74-Hansa Yellow

PY42-Yellow Iron Oxide


Pigment Name

PO5-Dinitraniline Orange

Pigment Type

monoazo

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.


Pigment Name

PY74-Hansa Yellow

Pigment Type

monoazo

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.


Pigment Name

PY42-Yellow Iron Oxide

Pigment Type

Chemical Name

iron(III)-oxide, hydrated

Chemical Formula

Fe2O3 • H2O

Properties

Yellow Ochre provides artists with earthtones from cream to brown. It has good hiding power, produces a quick drying paint, and can be safely mixed with other pigments. Its transparency varies widely from opaque shades to more transparent ones, which are valued for their use as glazes. If gypsum is present, Yellow Ochre is not suitable for frescoing. (See Brown Ochre, PY43.) PY42 is made from synthetic iron oxides. PY43 is made from natural iron oxide.

Permanence

Yellow Ochre has excellent permanence because ochres are some of the most permanent pigments available.

Toxicity

Yellow Ochre is non-toxic unless it contains manganese.

History

Ochre comes from the Greek word ochros, meaning pale yellow. It was one of the first pigments to be used by human beings, and evidence of its use has been found at 300,000 year old sites in France and the former Czechoslovakia.


Safety Data Sheet

UPC Code: 09278121

ASIN #: B00E8GMEHY