Brazilin
Brazilin is a naturally occurring red dye obtained from the wood of Paubrasilia echinata, Caesalpinia sappan, , and Haematoxylum brasiletto (also known as Natural Red 24 and CI 75280). Brazilin has been used since at least the Middle Ages to dye fabric, and has been used to make paints and inks as well. The specific color produced by the pigment depends on its manner of preparation: in an acidic solution brazilin will appear yellow, but in an alkaline preparation it will appear red. Brazilin is closely related to the blue-black dye precursor hematoxylin, having one fewer hydroxyl group. Brazilein, the active dye agent, is an oxidized form of brazilin.
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Brazilin
Brazilin is a naturally occurring red dye obtained from the wood of Paubrasilia echinata, Caesalpinia sappan, , and Haematoxylum brasiletto (also known as Natural Red 24 and CI 75280). Brazilin has been used since at least the Middle Ages to dye fabric, and has been used to make paints and inks as well. The specific color produced by the pigment depends on its manner of preparation: in an acidic solution brazilin will appear yellow, but in an alkaline preparation it will appear red. Brazilin is closely related to the blue-black dye precursor hematoxylin, having one fewer hydroxyl group. Brazilein, the active dye agent, is an oxidized form of brazilin.
has abstract
A brasilina ou brazilina (tamb ...... ma forma oxidada da brasilina.
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Brasilin ist ein Naturfarbstof ...... der Neoflavonoide zugerechnet.
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Brasilin är ett rött färgämne ...... nds inte längre inom måleriet.
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Braziel is een rood pigment da ...... ook bekend als Natural Red 24.
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Brazilin is a naturally occurr ...... an oxidized form of brazilin.
@en
La brasilina è un colorante na ...... ituita da coloranti sintetici.
@it
La brazilina es un pigmento ro ...... bre para el pigmento oxidado.
@es
ブラジリン (Brazilin) は、ブラジルボクの心材から ...... と強い関連がある。ブラジレインは、ブラジリンの酸化型である。
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alternative name
Brasilin; Natural Red 24; CI 75280
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IUPAC name
(6aS,11bR)-7,11b-Dihydroindeno[2,1-c][1]benzopyran-3,6a,9,10(6H)-tetrol
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12,667,266
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1,021,350,699
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imagealt
Skeletal formula of brazilin
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Space-filling model of the brazilin molecule
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ImageFile
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OtherNames
Brasilin; Natural Red 24; CI 75280
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Verifiedfields
changed
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verifiedrevid
459,981,878
wikiPageUsesTemplate
subject
hypernym
comment
A brasilina ou brazilina (tamb ...... ma forma oxidada da brasilina.
@pt
Brasilin ist ein Naturfarbstof ...... der Neoflavonoide zugerechnet.
@de
Brasilin är ett rött färgämne ...... ärgämne, svårlösligt i vatten.
@sv
Braziel is een rood pigment da ...... ook bekend als Natural Red 24.
@nl
Brazilin is a naturally occurr ...... an oxidized form of brazilin.
@en
La brasilina è un colorante na ...... ituita da coloranti sintetici.
@it
La brazilina es un pigmento ro ...... bre para el pigmento oxidado.
@es
ブラジリン (Brazilin) は、ブラジルボクの心材から ...... と強い関連がある。ブラジレインは、ブラジリンの酸化型である。
@ja
label
Brasilin
@de
Brasilin
@sv
Brasilina
@it
Brasilina
@pt
Braziel
@nl
Brazilin
@en
Brazilina
@es
ブラジリン
@ja