Winsor & Newton Professional Watercolor - Indian Yellow, Half Pan
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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