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Is Sulphur Black 11 vegan?

Sulphur Black 11

Vegan

Sulphur Black 11 is a sulfur dye used for dyeing cellulosic textile fibres, producing black shades. Like other sulfur dyes, it is applied through a reduction-oxidation process. It is a synthetic organic dye.

CAS number 1327-14-6
CI number CI 53190
Last reviewed 3 June 2026

Sources

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