Winsor & Newton Griffin Alkyds - Permanent Sap Green, 37 ml tube
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Products bearing the CL seal of the Art & Creative Materials Institute ("Caution Label") contain ingredients that are toxic or hazardous, but when used in properly supervised and controlled conditions, they can be enjoyed with complete safety.
Product Details
- Color:
- Permanent Sap Green
- Size:
- 37 ml
- No.
- 503
- Series:
- 2
- Mfg #:
- 1914503
Pigment Information
This color contains the following pigments:
PG7-Phthalo Green
PY129-Green Gold
PR88-Thioindigoid Red
Pigment Name
PG7-Phthalo Green
Pigment Type
organic
Chemical Name
polychlorinated copper(II) phthalocyanine
Chemical Formula
C32H3Cl13CuN8 to C32HCl15CuN8 or C32H16CuN8Cl15 (PG7) or C32Br6Cl10CuN8 (PG36)
Properties
Phthalo Green is a transparent, cool, bright, high intensity color used in oil and acrylics. It comes from a Phthalocyanine Blue pigment where most of the hydrogen atoms have been replaced with chlorine, forming highly stable molecules. It has similar pigment properties and permanence to Phthalo Blue. It is slow drying and an excellent base color for mixing a range of bright greens. Phthalo Green is considered a very good alternative to Viridian because it is intense and mixes well and can be used to emphasize mineral colors in various tints. However, its tinting strength is very high, so it can overpower other colors. This pigment most closely resembles the discontinued and toxic Verdigris.
Permanence
Phthalo Greens are completely lightfast and resistant to alkali, acids, solvents, heat, and ultraviolet radiation. They are currently used in inks, coatings, and many plastics due to their stability and are considered a standard pigment in printing ink and the packaging industry.
Toxicity
Phthalo Green has no significant hazards, but it contained PCBs (polychlorinated biphenyls) until 1982.
History
This bright blue-green was developed in 1935 and has been in use since 1938.
Pigment Name
PY129-Green Gold
Pigment Type
organic, polymethine
Chemical Name
copper azomethine green
Chemical Formula
Properties
A transparent greenish yellow pigment with low tinting strength.
Permanence
Pigment PY129 has been reported to have very good lightfastness.
Toxicity
Pigment PY129 is not considered to be hazardous.
History
Pigment Yellow PY129 has been used in automotive coatings.
Pigment Name
PR88-Thioindigoid Red
Pigment Type
indigoid, vat
Chemical Formula
C16H4Cl4O2S2
Properties
Thioindigoid Red is a relatively clean red considered to be a vat pigment. It has an average drying time.
Permanence
Thioindigoid Red has excellent lightfastness.
Toxicity
Thioindigoid Red is not considered toxic.
History
Unknown.
Safety Data Sheet
UPC Code: 094376916850
ASIN #: B0014ZQS60