CA Index Name: Methanaminium, N-[4-[[4-(dimethy-lamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride (1:1)
Other Names: C.I. Basic Green 4; Methanaminium, N-[4-[[4-(dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride; Victoria Green WB; ADC Malachite Green Crystals; Acryl Brilliant Green B; Aizen Malachite Green; Aizen Malachite Green Crystals; Aizen Malachite Green Liquid; Aniline Green; Astra Malachite Green; Astra Malachite Green B; Astra Malachite Green BXX; Atlantic Malachite Green; Basacryl Green X-BF; Basic Green 4; Basonyl Green 830; Basonyl Green NB 832; Benzal Green; Benzaldehyde Green; Bronze Green Toner A 8002; Burma Green B; C.I. 42000; Calcozine Green V; China Green; Diabasic Malachite Green; Diamond Green B; Diamond Green B Extra; Diamond Green BX; Diamond Green P Extra; Green MX; Green Malaquite; Grenoble Green; Hidaco Malachite Green Base; Hidaco Malachite Green LC; Hidaco Malachite Green SC; LC 6220; Light Green N; Lincoln Green Toner B 15-2900; Malachite Green 4; Malachite Green A; Malachite Green AN; Malachite Green B; Malachite Green CP; Malachite Green Crystals; Malachite Green Crystals BPC; Malachite Green J 3E; Malachite Green Powder; Malachite Green WS; Mala- chite Green XLS; Malachite Lake Green A; Malachite Green; Malachite Green Chloride; Mitsui Malachite Green; New Victoria Green Extra I; New Victoria Green Extra II; New Victoria Green Extra O; Oji Malachite Green; Solid Green Crystals O; Solid Green O; Super Ick Cure; Tertrophene Green M; Tokyo Aniline Malachite Green; Verona Basic Green M; Victoria Green; Victoria Green (basic dye); Victoria Green B; Victoria Green S; Victoria Green WPB
Merck Index Number: 5699
Chemical / Dye Class: Triphenylmethane
Molecular Formula: C23H25ClN2
Molecular Weight: 364.91
Physical Form: Green crystals with metallic luster
Solubility: Very soluble in water; soluble in ethanol, methanol, amyl alcohol
Melting Point: 112-114 °C
pH Range: 0.0-2.0; 11.6-14.0
Color Change at pH: Yellow (0.0) to green (2.0); green (11.6) to colorless (14.0)
pKa: 6.90
Absorption (λmax): 614 nm, 425 nm
Synthesis: Synthetic methods
Staining Applications: Antigens; antibodies; bacteria; bone cement; collagen; oxidized regenerated cellulose; alginates; chitosans; galactomannans; glycosaminoglycans; erythroblast; nucleic acids; peptides; proteins; skin
Biological Applications: Antiseptic formulation; detecting nucleic acids; early diagnosis of tuberculosis; identifying mammal genes; treating cancers, fungal diseases, pulmonary tuberculosis; medical device
Industrial Applications: Color filters; light-emitting devices; liquid crystal displays; optical recording materials; photoresists; inks; highlighters; toners; printed circuit board; photographic materials; adhesives; textiles
Safety / Toxicity: Acute toxicity; chronic toxicity; carcinogenicity; cytotoxicity; genotoxicity; mitochondrial toxicity; mutagenicity; nucleic acid damage