Acid Green 22 (CI 42170)  is a synthetic triphenylmethane green dye. Triphenylmethane is a hydrocarbon.

Chemical Name:

 sodium;3-[[4-[(E)-(2-chlorophenyl)-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate

What it is used for and where

Cosmetics

Restricted cosmetic ingredient as IV/65 a Relevant Item in the Annexes of the European Cosmetics Regulation 1223/2009. Substance or ingredient reported: Hydrogen [4-[(2-chlorophenyl)[4-[ethyl(3-sulphonatobenzyl)amino]-o-tolyl]methylene]-3-methylcyclohexa-2,5-dien-1-ylidene](ethyl)(3-sulphonatobenzyl)ammonium, sodium salt

Cosmetics - INCI Functions

Colorant. This ingredient has the 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.

Safety

It is an ingredient that has some important health-related contraindications: it should only be used in cosmetic products that have contact with the skin for a short time.

Molecular Formula  C₃₉H₃₈ClN₂NaO₆S₂

Molecular Weight    753.3 g/mol

CAS   5863-51-4

 EC number 227-513-4

UNII C86OTQ9YRV

DTXSID40974175

Synonyms:

CI 42170