Brilliant green is a triarylmethane dye used as a histological stain and antiseptic, with the chemical formula
C27H34N2O4Scap C sub 27 cap H sub 34 cap N sub 2 cap O sub 4 cap S𝐶27𝐻34𝑁2𝑂4𝑆. It is also known as Basic Green 1 and has the CAS number 633-03-4. It is applied to inanimate objects as a disinfectant and has some use in medicine for its antibacterial properties.
Chemical composition and properties
- Chemical Name: 4-{4-(diethylamino)phenylmethylidene}-N,N-diethylcyclohexa-2,5-dien-1-iminium hydrogen sulfate
- CAS Number: 633-03-4
- Molecular Formula:
C27H34N2O4Scap C sub 27 cap H sub 34 cap N sub 2 cap O sub 4 cap S
𝐶27𝐻34𝑁2𝑂4𝑆
- Molecular Weight: 482.6 g/mol
Uses
- Histological dye: Used in microscopy to stain cells and tissues.
- Antiseptic: Applied to the skin to prevent infection.
- Disinfectant: Used to kill microorganisms on inanimate objects.
- Antibacterial agent: Inhibits the growth of certain bacteria, such as Gram-positive microorganisms.







