Paris Green
Also known as (Acetato)trimetaarsenitodicopper, Emerald green, Schweinfurt green, Vienna green, C.I. pigment green 21, imperial green, Mitis green, Veronese green
chemical compound
Chemical data
- Formula
- C4H6As6Cu4O16
- Molecular weight
- 1013.79 g/mol
- IUPAC name
- tetracopper;oxoarsinite;diacetate
- SMILES
- CC(=O)[O-].CC(=O)[O-].[O-][As]=O.[O-][As]=O.[O-][As]=O.[O-][As]=O.[O-][As]=O.[O-][As]=O.[Cu+2].[Cu+2].[Cu+2].[Cu+2]
- InChIKey
- HTSABAUNNZLCMN-UHFFFAOYSA-F
- Polar surface area
- 321 Ų
- H-bond donors
- 0
- H-bond acceptors
- 16
- Formal charge
- 0
via PubChem
Wikidata facts
- Image
- Paris Green (Schweinfurter Grün).JPG
Sources (1)
~8 min read
Article
Paris green (copper(II) acetate triarsenite or copper(II) acetoarsenite) is an arsenic- and copper-containing pigment. It is an emerald-green crystalline powder that is also known as Mitis green, Schweinfurt green, Sattler green, emerald green, Vienna green, emperor green or mountain green. It is highly toxic and has thus also been used as a rodenticide and insecticide. Its formula is Cu(C2H3O2)2·3Cu(AsO2)2.
It was manufactured in 1814 to be a pigment to make a vibrant green paint, and was used by many notable painters in the 19th century. The color of Paris green is said to range from a pale blue-green when very finely ground, to a deeper green when coarsely ground. Due to the presence of arsenic, the pigment is extremely toxic. In paintings, the color can degrade quickly.