Black 7984

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Black 7984[1]
Black 7984.png
Names
IUPAC name
Tetrasodium 6-amino-4-hydroxy-3-[[7-sulfonato-4-[(4-sulfonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulfonate
Other names
Food Black 2
C.I. 27755
Identifiers
3D model (JSmol)
ECHA InfoCard 100.016.661
EC Number 218-326-9
Properties
C26H15N5Na4O13S4
Molar mass 825.63 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

Black 7984, Food Black 2, or C.I. 27755, is a brown-to-black synthetic diazo dye. It is often used as the tetrasodium salt.

When used as a food dye, it has E number E152. Its use in food has not been permitted in the United States and in the European Union since 1984.[citation needed] It is also not permitted in Australia and Japan.[citation needed]

Black 7984 is also used in cosmetics.

See also[edit]

References[edit]