Difference between revisions of "Permanent Red 2B"
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A BON type organic red azo-type colorant. Permanent Red 2B is the metal salt of the product of BON (3-hydroxy-2-naphthoic acid) combined with 1-amino-3-chloro-4-methylbenzenesulfonic acid (2B acid). First synthesized in the 1920s, Permanent Red 2B has fair lightfastness. It is used as the standard process red by the Gravure Technical Association in the U.S. | A BON type organic red azo-type colorant. Permanent Red 2B is the metal salt of the product of BON (3-hydroxy-2-naphthoic acid) combined with 1-amino-3-chloro-4-methylbenzenesulfonic acid (2B acid). First synthesized in the 1920s, Permanent Red 2B has fair lightfastness. It is used as the standard process red by the Gravure Technical Association in the U.S. | ||
| − | + | [[[SliderGallery rightalign|PR048.1 barium permanent red 2b.jpg~FTIR]]] | |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Pigment Red 48 | Pigment Red 48 | ||
| − | + | ==Resources and Citations== | |
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B.Berrie, S.Q.Lomax, "Azo Pigments: Their History, Synthesis, Properties and Use in Artists' Materials" in ''Studies in the History of Art'', No.57, National Gallery of Art, Washington DC, 1997. | B.Berrie, S.Q.Lomax, "Azo Pigments: Their History, Synthesis, Properties and Use in Artists' Materials" in ''Studies in the History of Art'', No.57, National Gallery of Art, Washington DC, 1997. | ||
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 17:03, 10 August 2022
Description
A BON type organic red azo-type colorant. Permanent Red 2B is the metal salt of the product of BON (3-hydroxy-2-naphthoic acid) combined with 1-amino-3-chloro-4-methylbenzenesulfonic acid (2B acid). First synthesized in the 1920s, Permanent Red 2B has fair lightfastness. It is used as the standard process red by the Gravure Technical Association in the U.S.
Synonyms and Related Terms
Pigment Red 48
Resources and Citations
B.Berrie, S.Q.Lomax, "Azo Pigments: Their History, Synthesis, Properties and Use in Artists' Materials" in Studies in the History of Art, No.57, National Gallery of Art, Washington DC, 1997.