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Is Mordant Orange 1 vegan?

Mordant Orange 1

Vegan Vegan
Vegetarian Vegetarian

Alizarin Yellow R (CI 14030), also known as Mordant Orange 1, is a synthetic azo dye produced by diazo coupling reaction, typically available as a sodium salt. In its pure form it is a rust-coloured solid mainly used as a pH indicator in analytical chemistry.

Also known as 2243-76-7, Alizarin Yellow R, Mordant Orange 1
CAS number 1718-34-9
CI number CI 14030
Last reviewed 3 June 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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