Citronine N extra by Societe Anonyme des Matieres...
Citronine N extra by Societe Anonyme des Matieres Colorantes
Citronine N extra by Societe Anonyme des Matieres Colorantes et Produits Chimique de St Denis 69 Rue Miromesnil Paris 8e in France. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1900.