Winsor & Newton Professional Watercolor - Permanent Sap Green, 14 ml tube

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Item #:00319-7392
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Winsor & Newton Professional Watercolor - Permanent Sap Green, 14 ml tube and swatch

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Product Details

Description:
Watercolor
Color:
Permanent Sap Green
Size:
14 ml (0.47 oz)
Format:
Tube
No.
503
Series:
1
Mfg #:
0105503

Colors on Monitors -

Due to differences in users’ monitors, the colors presented are an approximation of the true color.
Shipping Note - Due to manufacturer distribution restrictions, Winsor & Newton products cannot be shipped to addresses outside of North America.

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Pigment Information

This color contains the following pigments:

PG36-Phthalo Green

PY110-Isoindolinone Yellow


Pigment Name

PG36-Phthalo Green

Pigment Type

organic

Chemical Name

polybromopolychlorinated 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.  Pigment PG36 differs from PG7 in that a portion of the chlorine atoms are replaced with bromine atoms, which are reactively similar, but cause a yellow shift that is especially noticeable in mixtures. Phthalo Green 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

PY110-Isoindolinone Yellow

Pigment Type

organic synthetic

Chemical Name

isoindolinone yellow

Properties

Isoindolinone Yellow is a high performance pigment of excellent brightness and an average drying time.

Permanence

Isoindolinone Yellow has excellent lightfastness.

Toxicity

Isoindolinone Yellow is not considered toxic.

History

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


Safety Data Sheet

UPC Code: 50694464

ASIN #: B0006L4TRS