Sennelier Oil Pastel - Charcoal Blue

Name: Sennelier Oil Pastel - Charcoal Blue
Brand: Sennelier

Oil Pastel

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$3.80

Blick Art Materials · recorded Oct 21, 2026, 7:23 AM UTC

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Product details

Blick SKU: 20038-5821

About this product range

Professional quality
Pure pigments, synthetic binder, pH-neutral mineral wax
Rich, lipstick soft texture
Brilliant, lightfast, and highly opaque
Individually wrapped sticks: 2-5/8"L × 3/8 "Dia
Made in France

Sennelier Oil Pastels are a benchmark in the art world: lipstick soft, highly pigmented pastels made in France with the same top-quality components found in all Sennelier colors.

Developed in collaboration with Pablo Picasso, they combine pure pigments, an exceptionally pure synthetic binding medium, and pH-neutral mineral waxes to create an oil pastel unlike any other.

Each stick is packed with an extraordinarily high pigment load, giving it superior covering power, exceptional brightness, and a high degree of lightfastness (with the exception of metallic and fluorescent colors).

The balance of wax and binder results in a uniquely rich, smooth texture that allows artists to work with freedom, whether creating thin veils of color or bold, impasto-like strokes.

The binder is inert and non-siccative, meaning it won’t oxidize, crack, or alter over time. Combined with mineral wax, this ensures excellent surface stability and makes blending and layering effortless.

Pigment information

General reference notes about pigments can describe other media (such as oil). They do not verify this product’s exact formulation or behavior.

Aniline Black

Pigment code: PBk1
Type: organic, azine
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.
Description: Diamond Black, Paliotol Black

Phthalo Green

Pigment code: PG7
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.
Description: Bocour Green, Cyan Green, Intense Green, Monastral Green, Phthalocyanine Green BS, Rembrandt Green, Thalo Green, Winsor Green.

Phthalo Blue

Pigment code: PB15:3
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.
Description: Phthalo Blue Green Shade, Winsor Blue Green Shade

Red Iron Oxide

Pigment code: PR101
Type: earth, synthetic
Chemical name: iron oxides (synthetic), iron oxide, silica, alumina, lime, and magnesia or hydrated iron oxide
Chemical formula: Fe2O2 or Fe2O3 x H2O
Properties: Red iron oxide varies in hue and transparency, depending on hydration and slight impurities. Indian Red is a slightly duller, deep brick hue with a bluish undertone. It is very dense and opaque, with excellent tinting strength and covering power. It is dependable when mixing with all other permanent pigments and yields good flesh tints when mixed with Zinc White. It is the synthetic version of PR102, which is a pigment made from earth reds, or natural red iron oxides, and the names applied to PR101 and PR102 often overlap. The synthetic red iron oxides have mostly replaced natural red iron oxides and are brighter, stronger, finer, and more permanent. Indian Red is the highest grade bluish shade. Light Red, English Red, and Venetian Red are yellowish shades. Mars Violet is a dull and subdued bluish or purplish oxide.
Permanence: Red iron oxide is very lightfast with excellent permanence.
Toxicity: Red iron oxide has no significant hazards.
History: Natural red iron oxide comes from the mineral ore hematite, called bloodstone by the ancient Greeks from the word hema, meaning blood. It is one of the oldest pigments, has been used by every major civilization, and was an important mineral for medieval alchemists. It was not widely used in artists' materials until the 17th century and was not produced in large quantities until the 18th century.
Description: Indian Red, Colcothar, English Red, Light Red, Mars Red, Mars Violet, Morelle Salt, Pompeian Red, Indian Red, Red Oxide, Sinopia, Spanish Red, Terra Rosa, Tuscan Red, Venetian Red, Venice Red.

Zinc White

Pigment code: PW4
Type: inorganic
Chemical name: zinc(II)-oxide
Chemical formula: ZnO
Properties: Zinc White is the coolest white, and it has a cold, clean masstone and a slightly bluish tint. It has less hiding power and is more transparent than other whites. It dries slowly and is good for painting wet into wet and for glazing and scumbling. Zinc White is neither as opaque nor as heavy as Lead White, its covering power is not as good, and it takes much longer to dry. However, it does not blacken when exposed to sulfur in the air as Lead White does. It is very valuable for making tints with other colors. Unmixed Zinc White dries to a brittle and dry paint film that may crack over the years, so it is not good for frescoing. It is more transparent in acrylic form than Titanium White and is the most commonly used white with gouache. Chinese White is a version of Zinc White appropriate for opaque watercolor techniques.
Permanence: Zinc White has great permanence and lightfastness.
Description: Chinese White, French White, Permanent White, Silver White, Snow White, Zinc Oxide.