Winsor & Newton Professional Watercolor - Indian Yellow, Half Pan

Item #:00319-4160
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Indian Yellow
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Indian Yellow
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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

Description:
Artists' Watercolor
Color:
Indian Yellow
Size:
Half pan
No.
319
Mfg #:
0101319

Pigment Information

This color contains the following pigments:

PY139-Isoindolinone Yellow

PO60-Benzimidazolone Orange


Pigment Name

PY139-Isoindolinone Yellow

Pigment Type

organic, azomethine

Chemical Formula

C16H19N5O6

Properties

Isoindolinone Yellow is a new-generation organic pigment that has a very high tinting strength and average drying time.

Permanence

Isoindolinone Yellow has excellent lightfastness.

Toxicity

Isoindolinone Yellow is not considered toxic.

History

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


Pigment Name

PO60-Benzimidazolone Orange

Pigment Type

organic, monoazo

Chemical Formula

C17H13ClN6O5

Properties

Benzimidazolone Orange is a yellowish orange pigment that can lose its intensity and become dull in tints. The yellowish orange varieties are transparent. It has an average drying time.

Permanence

Benzimidazolone Orange has excellent lightfastness and outstanding heat and solvent stability for a monoazo pigment.

Toxicity

Benzimidazolone Orange is not considered toxic.

History

The benzimidazolone group of pigments was developed and patented in 1960 by Hoechst A.G., a German chemical manufacturer that was a forerunner of the pharmaceutical company Aventis. Use of benzimidazolone pigments in the auto industry, especially Benzimidazolone Orange, became common in the 1980s because they were common replacements for lead chromate pigments, which were phased out during this period.


Safety Data Sheet

UPC Code: 094376550375

ASIN #: B005WJWATI