Brilliant Black BN

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Brilliant Black BN
Brilliantschwarz BN.svg
Names
IUPAC name
Tetrasodium (6Z)-4-acetamido-5-oxo-6-[[7-sulfonato-4-(4-sulfonatophenyl)azo-1-naphthyl]hydrazono]naphthalene-1,7-disulfonate
Other names
C.I. Food Black 1; 1743 Black; Black PN; Blue Black BN; Brilliant Acid Black; C.I. 28440; Certicol Black PNW; Cilefa Black B; E 151; Edicol Supra Black BN; Hexacol Black PN; L Black 8000; Melan Black; Xylene Black F
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.017.951
EC Number 219-746-5
E number E151 (colours)
Properties
C28H17N5Na4O14S4
Molar mass 867.66 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Brilliant Black BN, Brilliant Black PN, Brilliant Black A, Black PN, Food Black 1, Naphthol Black, C.I. Food Black 1, or C.I. 28440, is a synthetic black diazo dye. It is soluble in water. It usually comes as tetrasodium salt. It has the appearance of solid, fine powder or granules. Calcium and potassium salts are allowed as well.

When used as a food dye, its E number is E151. It is used in food decorations and coatings, desserts, sweets, ice cream, mustard, red fruit jams, soft drinks, flavored milk drinks, fish paste, lumpfish caviar and other foods.[1]

E151 has been banned in the United States, Belgium, Denmark, Germany, Sweden, Austria, Switzerland, Japan, Finland.[citation needed] It is approved in the European Union.[2] It was banned in Norway until 2001 when it was unbanned due to trade relationships with other countries.[citation needed]

It is used for staining animal by-products in category 2.[clarification needed]

References[edit]