Leuco crystal violet, Sigma-Aldrich®
Leverantör: SIGMA-ALDRICH MICROSCOPY
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Synonyms:
4,4',4''-Methanetriyltris(N,N-dimethylaniline), Tris(4-dimethylaminophenyl)methane, 4,4',4''-Methylidynetris(N,N-dimethylaniline)
M-Clarity™ quality level = MQ200
Leucocrystal Violet has been used to identify histamine-producing lactobacilli in cheese.
Leucocrystal Violet (LCV) is a cationic triarylmethane dye. LCV is a reduced form of gentian violet (crystal violet) and thus, it is colourless. It has an affinity for both cellulosic and proteinaceous materials. LCV and hydrogen peroxide react with the hemoglobin in blood and turn the blood impression to purple/violet colour. Therefore, the dye is widely used to stain blood residue on both porous and non-porous materials.
Observera: Photo-ionisation can cause color variations.
Formel:
C₂₅H₃₁N₃ MW: 373,54 g/mol Smältpunkt: 175,..177 °C (lit.) Storage Temperature: Room Temperature |
MDL Number:
MFCD00008314 CAS nummer: 603-48-5 EINECS: 210-043-9 |
Specifikation testresultat
Appearance (Colour); White to Grey to Lavender | Conforms to Requirements |
Appearance (Form) | Powder |
Infrared spectrum | Conforms to Structure |
Wavelength, C = 0.01 G/L IN 0.1N HCL IN MEOH | 257 - 263 nm |
Extinction Coefficient | ≥38000 |
Wavelength | 587 - 593 nm |
Absorbance | ≤0.01 |
Carbon | 77.6 - 83.2% |
Nitrogen | 10.8 - 11.6% |
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