Leucomalachitgrün, Pulver, Sigma-Aldrich®

Lieferant: SIGMA ALDRICH MICROSCOPY
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Synonyme: 4,4'-Bis(dimethylamino)triphenylmethane, 4,4'-(Phenylmethylene)bis(N,N-dimethylaniline), 4,4'-Tetramethyldiaminotriphenylmethane, 4,4'-Benzylidenebis(N,N-dimethylaniline), Leucomalachite green

M-Clarity™ Qualitätsstufe = MQ100

125660-25G 125660-5G
125660-25GEA 269 EUR
125660-25G 125660-5G
Leucomalachitgrün, Pulver, Sigma-Aldrich®
Leuco malachite green

Leucomalachite green has been used as a reagent in presumptive tests which are used to detect invisible blood stains.


Leucomalachite green (LMG) is a chief metabolite of malachite green, a triphenylmethane dye that has been used generally as an antifungal drug in the fish industry. DNA adducts formed in livers of rats fed with leucomalachite green have been observed with little mutagenic or carcinogenic effect. LMG is one of the most commonly used reagents for presumptive blood test. It gives a characteristic green color in the presence of blood. LMG destroys DNA in the blood, therefore, the chances of DNA recovery and amplification is reduced or eliminated.

Formel: C₂₃H₂₆N₂
Molecular Weight: 330.48 g/mol
Schmelzpunkt: 100...102 °C (Lit.)
Lagertemperatur: Room Temperature
MDL: MFCD00008315
CAS-Nummer: 129-73-7
EINECS: 204-961-9
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Spezifikation Testergebnisse

Appearance (Colour); White to Tan, Light Blue or Light Green Conforms to Requirements
Appearance (Form) Powder
Infrared spectrum Conforms to Structure
Wavelength, c = 0.01 g/L in CHCl₃ 259 - 265 nm
Extinction Coefficient Conforms to Structure
Carbon Typically 83.0 - 84.0%
Nitrogen Typically 8.0 - 9.0%


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