Pigment Classification: Synthetic Organic (Mixture)Color Index Name: PR112 / PR5Color Index Number: 73915 / 12490Chemical Description: Naphthol AS-D / Naphthol ITROpacity/Transparency: Semi-TransparentLightfastness Rating: 2Permanency: Very GoodMunsell Notation Listing: Hue 9

sometimes referred to as Anthraquinone Blue

Colour number: 22

Lightfastness: Lightfast pigment according to ASTM category 1 and 2

raw umber vallejo akrylmaling 1 Size:125ml Pigment Classification: Synthetic Organic (Mixture)ColorColor: Raw Umber Permanence: AA Opacity: Opaque Pigment: PY42, PR101, PBk7 Pigment description: Synthetic Iron Oxide, Synthetic Red Iron Oxide, Nearly Pure Amorphous Carbon ASTM Rating Ligthfastness: Pigment classification: Mixture Color Index Number: Viscosity range (mPa. s): 15. 000 20. 000 Color Index The pigments used for artists' colours are inorganic as well as organic. The inorganic pigments have been used since antiquity; most of them are