CI 42053 or Food Green 3, is a synthetic, triphenylmethane dye. Triphenylmethane is an hydrocarbon.

Chemical name Benzene-methanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(4-hydroxy-2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulfo-, hydroxide, inner salt, disodium salt

Molecular Formula C37H34N2Na2O10S3

Safety. Use in hair colouring products is prohibited.

What it is used for and where
Cosmetics
Colorant. This ingredient has the primary function of colouring the solution in which it is inserted in a temporary, semi-permanent or permanent manner, either alone or in the presence of the complementary components added for colouring.
Synonyms: EC number 219-091-5
UNII 9J3VQ0Y6BV
DTXSID3020673
F D and C Green #3
Solid Green FCF
Fast Green FCF
F D and C Green No. 3
Trade name:

CAS: 2353-45-9