Difference between revisions of "Brilliant yellow"
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== Risks == | == Risks == | ||
| − | 2) | + | 2) * Toxic by ingestion and inhalation. |
| − | * Toxic by ingestion and inhalation. | + | * NIH: [https://pubchem.ncbi.nlm.nih.gov/compound/Brilliant-Yellow Information sheet] |
| − | * NIH: [https://pubchem.ncbi.nlm.nih.gov/compound/Brilliant-Yellow Information sheet] | ||
==Physical and Chemical Properties== | ==Physical and Chemical Properties== | ||
Revision as of 10:11, 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.
* 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