Sennelier Artists' Oil Stick - Sepia

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Product Details
- Color:
- Sepia
- Size:
- 38 ml
- No.
- 438
- Mfg #:
- 10-130125-438
Pigment Information
This color contains the following pigments:
PY83-Diarylide Yellow 83
PBk1-Aniline Black
PR101-Mars Orange
Pigment Name
PY83-Diarylide Yellow 83
Pigment Type
organic, disazo
Chemical Formula
C36H32Cl4N6O8
Properties
Diarylide Yellow is a semi-opaque, moderately staining, intense deep reddish yellow pigment with good tinting strength.
Permanence
Diarylide Yellow 83 has very good lightfastness and permanence. However, it can fade in tints, so some artists do not consider it suitable as an artists' color. Many other diarylide yellow pigments are reported to have fair to poor lightfastness, and some are completely fugitive. Diarylide Yellow 83 is reputed to be one of the most permanent of the entire group.
Toxicity
Diarylide Yellow has no significant acute hazards, but chronic hazards have not been well studied.
History
Diarylide Yellow comes from a family of azo pigments called Diarylide. These yellow hued pigments were developed around 1940 and are very important in printing inks.
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
PR101-Mars Orange
Pigment Type
Chemical Name
iron oxides
Chemical Formula
Fe2O2 or Fe2O3 • H2O
Properties
Mars Orange is a bright, extremely light red and appears almost pinkish when contrasted with darker colors. It has incredible tinting strength and opacity. The synthetic form of Mars Orange is made from iron oxides and is cleaner, brighter, and denser than its ochre-based counterparts.
Permanence
Mars Orange has good permanence and lightfastness.
Toxicity
Mars Orange has no significant hazards.
History
The word Mars refers to the Roman god of iron and war. Mars Orange has been manufactured as a pigment since the 17th century.
Safety Data Sheet
UPC Code: 3046450188216
ASIN #: B0014ZWALM