Art Spectrum Artists' Soft Pastel - Flinders Blue Violet 520T

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Product Details
- Description:
- Soft Pastel
- Color:
- Flinders Blue Violet
- No.
- 520T
- Mfg #:
- 520T
Pigment Information
This color contains the following pigments:
PV23-Dioxazine Violet
PV15-Ultramarine Violet
Pigment Name
PV23-Dioxazine Violet
Pigment Type
organic
Chemical Name
carbazole dioxazine
Chemical Formula
C34H22Cl2N4O2
Properties
Dioxazine Violet is transparent and has very high tinting strength. It is a staining pigment, very dark valued when it is used at full strength. Concentrated, it paints out nearly black, but it mixes with Titanium White to form bright, opaque tints of purple. PV23 produces slightly redder shades than PV37. Because the hue can vary with the conditions of preparation and grinding, it may be offered in red shade, blue shade, and so forth.
Permanence
Dioxazine Violet has good lightfastness. There may be some concern about it fading or shifting in color in tints and washes. Some artists have reported that PV37, a molecular variant, is more lightfast than PV23.
Toxicity
History
Two molecular variants of Dioxazine Violet, PV23 and PV37, are available. They have similar properties, but mix slightly differently.
Pigment Name
PV15-Ultramarine Violet
Pigment Type
inorganic
Chemical Name
complex silicate of sodium and aluminum with sulfur
Chemical Formula
H2Na(4-6)Al6Si6O24S2
Properties
Ultramarine Violet is a semi-transparent, dull purple to pale violet with low tinting strength. As a pigment, it is weak in most oil applications, but it performs better in water-based mediums, pastels, and chalks. It is generally the bluest of the violet pigments, although there can be significant differences in color across brands. It is not suitable for fresco work and does not mix well with yellows. Ultramarine Violet is a variant of Ultramarine Blue, and their pigment properties are identical.
Permanence
Ultramarine Violet has excellent permanence and lightfastness.
Toxicity
Ultramarine Violet has no significant hazards.
History
Unknown.
Safety Data Sheet
UPC Code: 9323926008013
ASIN #: B000GBTV8A