Chromium oxide dihydrate, bright, transparent.

Viridian Green is a blue green hydrated oxide specifically manufactured for use in artists´ materials and catalysts.

Available in 100g bags. Can be special ordered in 500g and 1kg sizes - please contact us for pricing.

Technical Data:

• Chemical description:‍ Chromic oxide dihydrate. Pigment Green 18, C.I. 77289

• Chemical formula: Cr2O3

• Lightfastness - thinned: 8 (1 is bad, 8 is best)

• Lightfastness - medium: 8 (1 is bad, 8 is best)

• Lightfastness - concentrated: 8 (1 is bad, 8 is best)

• ColorIndex: PG 18.77289

• Suitability: Acrylics, Cement / Tadelakt, Lime / Fresco, Oil, Tempera, Watercolor / Gouache

• Colors: Green, Turquoise

• Forms: Powder

• Solubility in water: Insoluble

Typical Analysis:

• Chromium oxide: 75 wt%

• Boron as B2O3: 5 wt%

• Specific surface area: 125 m2/g (BET)

• Oil absorption: 55 g / 100 g

• Water soluble salts: 1.5 %

• Retention on 53 µ (325 mesh) screen: 0.1 %

• Average particle size: 2.5 µm

• pH: 8.0

• Lead (Pb): < 20 ppm

• Arsenic (As): < 3 ppm

• Mercury (Hg): < 1 ppm

Product information sheet

Safety Data Sheet (SDS)