Williamsburg Handmade Oil Paint - Permanent Orange, 150 ml tube
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Product Details
- Color:
- Permanent Orange
- Size:
- 150 ml
- Format:
- Tube
- No.
- 542
- Series:
- 4
Pigment Information
This color contains the following pigments:
PY154-Benzimidazolone Yellow
PR112-Naphthol Red AS-D
Pigment Name
PY154-Benzimidazolone Yellow
Pigment Type
monoazo
Chemical Formula
Properties
Benzimidazolone Yellow is a pigment with dull tints and an average drying time.
Permanence
Benzimidazolone Yellow has excellent lightfastness.
Toxicity
Benzimidazolone Yellow 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.
Pigment Name
PR112-Naphthol Red AS-D
Pigment Type
organic, monoazo
Chemical Formula
C24H16Cl3N3O2
Properties
This Naphthol Red is an intense scarlet red pigment that is heavily staining. It has an average drying time. It is semi-transparent and has relatively poor covering power.
Permanence
This Naphthol Red has been rated as having excellent lightfastness under ASTM testing, but other testing methods have demonstrated some tendancy for the color to fade with exposure to strong ultraviolet light. It has been considered a replacement for less lightfast naphthol reds such as PR3. Not suitable for exterior use.
Toxicity
Naphthol Reds are not considered toxic. Naphthol Red AS-D may cause eye, skin, or respiratory irritation. Contact with dry pigment should be avoided.
History
Unknown.