Difference between revisions of "Brilliant yellow"
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An unstandardized pigment name. | An unstandardized pigment name. | ||
| − | 1. Brilliant yellow was used for [ | + | 1. Brilliant yellow was used for [[Naples yellow]] and for a mixture of [[cadmium yellow]] with either [[lead white]] or [[zinc white]]. This yellow mixture is very toxic and no longer in use. |
| − | 2. Brilliant Yellow is also a brand name used for a synthetic [ | + | 2. Brilliant Yellow is also a brand name used for a synthetic [[disazo dye]] developed in 1886 by F. Bender and G. Schulz. It is used to directly dye [[cotton]], [[rayon fiber|rayon], [[flax]], and [[paper]] fibers. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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[[[SliderGallery rightalign|brillyellowcs.jpg~Chemical structure]]] | [[[SliderGallery rightalign|brillyellowcs.jpg~Chemical structure]]] | ||
| − | == | + | == Risks == |
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| + | * 2) Toxic by ingestion and inhalation. | ||
| + | * 2) NIH: [https://pubchem.ncbi.nlm.nih.gov/compound/Brilliant-Yellow Information sheet] | ||
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| + | ==Physical and Chemical Properties== | ||
2) Soluble in water. Max abs. at 497 nm. pH indicator dye (6.6=yellow to 8.0=orange). | 2) Soluble in water. Max abs. at 497 nm. pH indicator dye (6.6=yellow to 8.0=orange). | ||
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| − | == | + | ==Resources and Citations== |
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| − | * | + | * M. Doerner, ''The Materials of the Artist'', Harcourt, Brace & Co., 1934 |
| − | * | + | * Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing) |
* Colour Index International online at www.colour-index.org | * Colour Index International online at www.colour-index.org | ||
Latest revision as of 11:12, 10 May 2022
Description
An unstandardized pigment name.
1. Brilliant yellow was used for Naples yellow and for a mixture of Cadmium yellow with either Lead white or Zinc white. This yellow mixture is very toxic and no longer in use.
2. Brilliant Yellow is also a brand name used for a synthetic Disazo dye developed in 1886 by F. Bender and G. Schulz. It is used to directly dye Cotton, [[rayon fiber|rayon], Flax, and Paper fibers.
Synonyms and Related Terms
2) Direct Yellow 4; CI 24890; amarillo brillante (Esp.); giallo brillante (It.)
Risks
- 2) Toxic by ingestion and inhalation.
- 2) NIH: Information sheet
Physical and Chemical Properties
2) Soluble in water. Max abs. at 497 nm. pH indicator dye (6.6=yellow to 8.0=orange).
| Composition | 2) C26H20N4O8S2 |
|---|---|
| CAS | 2) 3051-11-4 |
Resources and Citations
- M. Doerner, The Materials of the Artist, Harcourt, Brace & Co., 1934
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Colour Index International online at www.colour-index.org
- Sigma Dyes, Stains and Natural Pigments, Infrared Library, Nicolet, 1991-1995 Comment: OMNIC: formula= C26H20N4O8S2, CAS= 3051-11-4