Category
page 1Acid dyes
methyl orange
pH indicator
fluorescein
Fluorescein is an organic compound and dye based on the xanthene tricyclic structural motif, formally belonging to triarylmethine dyes family. It is available as a dark orange/red powder slightly soluble in water and alcohol. It is used as a fluorescent tracer in many applications.
tartrazine
Tartrazine is a synthetic lemon yellow azo dye primarily used as a food coloring. It is also known as E number E102, C.I. 19140, FD&C Yellow 5, Yellow 5 Lake, Acid Yellow 23, Food Yellow 4, and trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate.
sunset yellow FCF
chemical compound
carmoisine
Azorubine, also known as carmoisine, is an azo dye consisting of two naphthalene subunits. It is a red solid. It is mainly used in foods that are heat-treated after fermentation. It has E number E122.
indigotindisulfonate sodium
chemical compound
brilliant blue FCF
chemical compound
ponceau 4R
chemical compound, food colourant
Green S
chemical compound
amaranth
chemical compound
Coomassie Brilliant Blue
chemical compound
Yellow 2G
chemical compound
Fast Yellow AB
chemical compound
Patent Blue V
chemical compound
Chrysoine resorcinol
chemical compound
methyl blue
chemical compound
orange G
chemical compound
rose bengal
tetrachloro-tetraiodo-fluorescein used as stain
xylene cyanol
chemical compound
Scarlet GN
chemical compound
Black 7984
chemical compound
Ponceau 6R
chemical compound
Naphthol Green B
chemical compound
Acid orange 7
chemical compound
amido black 10B
chemical compound
metanil yellow
chemical compound
Water blue
chemical compound
Orange B
chemical compound
Biebrich scarlet
chemical compound
Orange I
chemical compound
acid dye
dye that is typically applied to animal-fiber or synthetic-fiber textiles in an acidic solution
Tropaeolin OO
chemical compound
Ext. D&C yellow no. 7
chemical compound