Sennelier Artists' Oil Stick - Indigo Blue
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Product Details
- Color:
- Indigo Blue
- Size:
- 38 ml
- No.
- 308
- Mfg #:
- 10-130125-308
Pigment Information
This color contains the following pigments:
PBk1-Aniline Black
PB15:3-Phthalo Blue
Pigment Name
PBk1-Aniline Black
Pigment Type
organic, azine
Chemical Formula
Properties
Analine black was the first black dye used to color cotton.
Permanence
As a clothing dye, it has been reported to have excellent lightfastness.
Toxicity
Testing of analine black dye on rabbits has shown that it is not an skin or eye irritant.
History
Analine Black was discovered by Lightfoot in 1863. It has been used ever since as a black dye for coloring cotton.
Pigment Name
PB15:3-Phthalo Blue
Pigment Type
organic
Chemical Name
beta copper phthalocyanine
Chemical Formula
C32H16CuN8
Properties
Phthalo Blue PB15:3 is a structural variant of Phthalo Blue PB15 that produces more greenish tones.
Permanence
Phthalo Blues are completely lightfast and stable and are permanent for all paint uses. 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 Blues have no significant hazards, although those made before 1982 contained some PCBs (polychlorinated biphenyls).
History
Developed by chemists using the trade name Monastral Blue, the organic blue dyestuff now known as Phthalo Blue was presented as a pigment in November 1935 in London. Its discovery was accidental. The dark color was observed in a kettle where a dye was being made from a British dyestuff plant. The demand for such a pigment came from commercial printers who wanted a cyan to replace Prussian Blue.
Safety Data Sheet
UPC Code: 3046450188193
ASIN #: B0014ZUA2S