Agent Name
CAS Number
Major Category
Magenta formula graphical representation
4-((4-Aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl)-2- methylbenzenamine monohydrochloride; Fuchsin, basic; 12418 Red; 4-((4-Aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl)-2-methylbenzenamine HCl; Aizen Magenta; Aniline red; Astra Fuchsine B; Basic Fuchsine (VAN); Basic Violet 14; Basic fuchsin; Basic fuchsine; Basic Magenta; Basic Magenta E-200; Benzenamine, 4-((4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl)-2-methyl-, monohydrochloride; C-WR Violet 8; C.I. 42510; C.I. Basic Violet 14; C.I. Basic Violet 14 monohydrochloride; CI 42510; CI Basic Violet 14; CI Basic Violet 14, monohydrochloride; Calcozine Magenta RIN; Calcozine Magenta RTN; Calcozine Fuchsine HO; Calcozine Magenta XX; Cerise B; Diabasic Magenta; Diamond Fuchsin; Diamond Fuchsine; Fuchsin; Fuchsin basic; Fuchsine; Fuchsine A; Fuchsine CS; Fuchsine Crystals; Fuchsine G; Fuchsine HO; Fuchsine N; Fuchsine RTN; Fuchsine SBP; Fuchsine Y; Magenta DP; Magenta E; Magenta G; Magenta I; Magenta Large Crystals; Magenta PN; Magenta S; Magenta Super Fine; Magenta powder N; Magenta superfine; Methyl fuchsin; Mitsui Magenta; Orient Basic Magenta; Rosaniline; Rosaniline chloride; Rosaniline hydrochloride; Rosanilinium chloride; Rosanilinium hydrochloride; Rose aniline; Violet zasadita 14 [Czech]; [ChemIDplus]
Di- and Triaryl Dyes
Metallic green solid; [Merck Index] Reddish-brown solid; [Hawley] Dark green crystalline powder; [MSDSonline]
Used as dye or dye intermediate for textiles, fabrics, paper products, cotton, wool, jute, china clay products, leather, printing inks, photography (filter dye), biological stains, and thin-layer chromatography; Also used as lab reagent and therapeutic antifungal agent; [HSDB] One of the dyes in the mixture produced in the past during "magenta production"; [Reference #1]
May cause allergic reactions; [CAMEO] An irritant; [MSDSonline] There is inadequate evidence in humans for the carcinogenicity of magenta, but magenta manufacturing is a known human carcinogen (Group 1); [IARC] See "Magenta production."
Biomedical References

Exposure Assessment

Vapor Pressure
7.49E-10 mm Hg

Adverse Effects

IARC Carcinogen
Possible (2b)

Diseases, Processes, and Activities Linked to This Agent


Activities with risk of exposure: