Methyl green
- CAS NO.：54327-10-5
- Empirical Formula: C26H33Cl2N3
- Molecular Weight: 458.47
- MDL number: MFCD00011879
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:55:11
What is Methyl green?
Definition
ChEBI: Methyl green is an iminium salt composed of (4-{[4-(dimethylamino)phenyl][4-(trimethylazaniumyl)phenyl]methylidene}cyclohexa-2,5-dien-1-ylidene)(dimethyl)ammonium and chloride ions in a 1:2 ratio. A histological dye used to demonstrate nucleic acids by the Unna-Pappenheim stain, in conjunction with Pyronin Y. It has a role as a fluorochrome and a histological dye. It is an organic chloride salt, an iminium salt and a quaternary ammonium salt. It contains a methyl green(2+).
Properties of Methyl green
| Melting point: | >300°C |
| solubility | Solubility Soluble in water, ethanol; insoluble in xylene |
| form | powder |
| color | Green crystalline |
| PH Range | Yellow (0.1) to greenish-blue (2.3) |
| λmax | 635nm, 420nm |
| Major Application | Liquid crystal display device, photography, recording materials, inks, cosmetics, DNA staining, cancer detection |
Safety information for Methyl green
Computed Descriptors for Methyl green
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