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Blockx Soft Pastel - Viridian 622
Soft Pastel
Recorded retailer price · not live
$6.16
Blick Art Materials · recorded 2026-10-21T05:07:36.328377000Z
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Product details
- Blick SKU
- 21918-7622
About this product range
Blockx Soft Pastels are handmade in Belgium using pure pigments in the same tradition started by company founder and chemist Jacques Blockx in 1844. Four subsequent generations of Blockx family members have combined traditional methods with modern chemistry to create artist's colors that are pure, permanent, lightfast, and stable.
Colors are named in such a way as to make it easy for artists to choose the exact shades they need. For example, Apple Green's five shades are: Apple Green 641, Apple Green 642, Apple Green 643, Apple Green 644, and Apple Green 645.
If the color name ends in:
- 1 — the pure color is upgraded with black
- 2 — this is the pure color
- 3 — the pure color is tinted with white
- 4 — the pure color is tinted with more white
- 5 — the pure color is tinted with much more white
These watersoluble pastels are soft and velvety in texture, possess a superb tinting strength, and will draw on any surface, although they're best-suited for pastel paper.
Individually wrapped pastel sticks are 2-1/2" L x 1/2" Dia (65 mm x 12 mm).
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.
Phthalo Blue
- Pigment code
- PB15:1
- Type
- organic
- Chemical name
- alpha copper phthalocyanine
- Chemical formula
- C32H16CuN8
- Properties
- Phthalo Blue PB15:1 is a structural variant of Phthalo Blue PB15 that produces more reddish 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 Red Shade, Winsor Blue Red Shade
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.
Related supplies
- Blockx Soft Pastel - Viridian 621
- Blockx Soft Pastel - Viridian 623
- Blockx Soft Pastel - Viridian 624
- Blockx Soft Pastel - Viridian 625
- Blockx Soft Pastel - Cobalt Blue 533
- Blockx Soft Pastel - Cobalt Blue 534
- Blockx Soft Pastel - Cobalt Blue 535
- Blockx Soft Pastel - Ultramarine Violet 301
- Blockx Soft Pastel - Ultramarine Violet 302
- Blockx Soft Pastel - Ultramarine Violet 303
- Blockx Soft Pastel - Ultramarine Violet 304
- Blockx Soft Pastel - Ultramarine Violet 305