Difference between revisions of "Scarlet lake"
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== Description == | == Description == | ||
| − | Originally, scarlet lake was prepared from cochineal. Since the late 19th century, scarlet lake has been made with synthetic red colorants, such as an azo dye, precipitated on barium sulfate. Scarlet red is not used as an artist pigment because it is fugitive and may bleed in oil. | + | Originally, scarlet lake was prepared from cochineal. Since the late 19th century, scarlet lake has been made with synthetic red colorants, such as an [[azo dye]], precipitated on [[barium sulfate]]. Scarlet red is not used as an artist pigment because it is fugitive and may bleed in oil. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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Pigment Red 60; CI 16105; laque écarlate (Fr.); laca escarlate (Port.) | Pigment Red 60; CI 16105; laque écarlate (Fr.); laca escarlate (Port.) | ||
| − | == | + | == Risks == |
| − | Azo dyes may be carcinogenic | + | * Azo dyes may be carcinogenic |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 12:44, 15 June 2022
Description
Originally, scarlet lake was prepared from cochineal. Since the late 19th century, scarlet lake has been made with synthetic red colorants, such as an Azo dye, precipitated on Barium sulfate. Scarlet red is not used as an artist pigment because it is fugitive and may bleed in oil.
Synonyms and Related Terms
Pigment Red 60; CI 16105; laque écarlate (Fr.); laca escarlate (Port.)
Risks
- Azo dyes may be carcinogenic