Nickel azo green
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Description
A yellow-green, lightfast, chloroaniline dye complexed with nickel. Nickel azo green was developed after World War II by Woodward and Kvalnes at DuPont. It was introduced under the brand name Green Gold starting in 1947. Nickel azo green is used as an artists pigment.
Synonyms and Related Terms
Pigment Green 10; CI 12775; Green Gold; nickel azo yellow
Other Properties
Dissolves in concentrated sulfuric acid to give orange/brown solution.
| Composition | C30H18O4N6Cl2Ni |
|---|
Hazards and Safety
Similar to some cancer causing chemicals.
Additional Information
M.de Keijzer, "Microchemical Analysis on Synthetic Organic Artists Pigments Discovered in the Twentieth Century" ICOM Dresden 1990, p. 221-225.
Sources Checked for Data in Record
- Reed Kay, The Painter's Guide To Studio Methods and Materials, Prentice-Hall, Inc., Englewood Cliffs, NJ, 1983
- Monona Rossol, The Artist's Complete Health and Safety Guide, Allworth Press, New York, 1994
- B. Berrie, S.Q. Lomax, 'Azo Pigments: Their History, Synthesis, Properties and Use in Artists' Materials', Studies in the History of Art , National Gallery of Art, Washington DC, No. 57, 1997