Black 7984

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Black 7984[1]
Black 7984.png
CAS number 2118-39-0 YesY
EC number 218-326-9
Jmol-3D images Image 1
Molecular formula C26H15N5Na4O13S4
Molar mass 825.64 g mol−1
Except where noted otherwise, 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 is discontinued in USA and EU since 1984. It is also not permitted in Australia and Japan.

Black 7984 is also used in cosmetics.

Black 7984 may cause allergic or intolerance reactions, particularly amongst those with an aspirin intolerance.[citation needed] It is a histamine liberator, and may worsen the symptoms of asthma.[citation needed] It is one of the colorants that the Hyperactive Children's Support Group recommends be eliminated from the diet of children.[citation needed]

See also[edit]