Sudan Red 7B, also known as Solvent Red 19, Ceres Red 7B, Fat Red 7B, Hexatype carmine B, Lacquer red V3B, Oil violet, Organol bordeaux B, Sudanrot 7B, Typogen carmine, and C.I. 26050, is a red diazo dye.[1][2][3] Chemically it is N-ethyl-1-[[p-(phenylazo)phenyl]azo]-2-naphthalenamine. It is soluble in oils and insoluble in water.
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Names | |
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Preferred IUPAC name N-Ethyl-1-{[4-(phenyldiazenyl)phenyl]diazenyl}naphthalen-2-amine | |
Other names Solvent Red 19; Ceres Red 7B; Fat Red 7B; Hexatype carmine B; Lacquer red V3B; Oil violet; Organol bordeaux B; Sudanrot 7B; Typogen carmine; C.I. 26050; N-ethyl-1-[[p-(phenylazo)phenyl]azo]-2-naphthalenamine | |
Identifiers | |
3D model (JSmol) | |
ChemSpider | |
ECHA InfoCard | 100.026.238 |
KEGG | |
PubChem CID | |
UNII | |
CompTox Dashboard (EPA) | |
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Properties | |
C24H21N5 | |
Molar mass | 379.467 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
It is used in biology for staining, and in industry as one of the fuel dyes. It can be also present in red laser toners.
References
edit- ^ PubChem. "Sudan Red 7B". pubchem.ncbi.nlm.nih.gov. Retrieved 2022-11-22.
- ^ "Sudan Red 7B | CAS 6368-72-5". www.scbt.com. Retrieved 2022-11-22.
- ^ "Sudan Red 7B (CAS 6368-72-5)". www.caymanchem.com. Retrieved 2022-11-22.
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