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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.
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' Soft Pastel
- Color:
- Yellow 1
- No.
- 53
- Mfg #:
- 1570-53
Reviews
Pigment Information
This color contains the following pigments:
PY55-Diarylide Yellow Deep
PY97-Permanent Yellow
Pigment Name
PY55-Diarylide Yellow Deep
Pigment Type
organic, disazo
Chemical Formula
C34H30Cl2N6O4
Properties
Diarylide Yellow Deep is a semi-transparent deep yellow pigment with high tinting strength.
Permanence
Diarylide Yellow Deep is less lightfst than other diarylide yellows, often rated fair. Its fightfastness has been rated only 5 on the blue wool scale (5-8).
Toxicity
Diarylide Yellow pigments have no significant acute hazards, but possible chronic hazards have not been well studied.
History
Pigment Name
PY97-Permanent Yellow
Pigment Type
organic, monoazo
Chemical Formula
C26H27ClN4O8
Properties
Permanent Yellow PY97 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. Similar in shade to Hansa Yellow 1, it offers much better fastness properties and good heat stability.
Permanence
Pigment PY97 has excellent lightfastness, particularly in the darker shades.
Toxicity
No significant acute hazards of PY97 are known, though 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. Permanent Yellow (PY97) represents a further development of this line, with the aim of producing a yellow pigment that is suitable for exterior use.
Safety Data Sheet
UPC Code: 4938331290530
ASIN #: B0066OACSO