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219215

Sigma-Aldrich

Leucocrystal Violet

Sinónimos:

4,4′,4′′-Methylidynetris(N,N-dimethylaniline), Leuco Crystal Violet

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About This Item

Fórmula lineal:
CH[C6H4N(CH3)2]3
Número de CAS:
603-48-5
Peso molecular:
373.53
EC Number:
210-043-9
MDL number:
MFCD00008314
UNSPSC Code:
12171500
PubChem Substance ID:
24853114
NACRES:
NA.47

form

powder

mp

175-177 °C (lit.)

λmax

260 nm

ε (extinction coefficient)

≥700 at 257-263 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CN(C)c1ccc(cc1)C(c2ccc(cc2)N(C)C)c3ccc(cc3)N(C)C

InChI

1S/C25H31N3/c1-26(2)22-13-7-19(8-14-22)25(20-9-15-23(16-10-20)27(3)4)21-11-17-24(18-12-21)28(5)6/h7-18,25H,1-6H3

InChI key

OAZWDJGLIYNYMU-UHFFFAOYSA-N

Application

Leucocrystal Violet has been used to identify histamine-producing lactobacilli in cheese.

Biochem/physiol Actions

Leucocrystal Violet (LCV) is a cationic triarylmethane dye. LCV is a reduced form of gentian violet (crystal violet) and thus, it is colorless. 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 color. Therefore, the dye is widely used to stain blood residue on both porous and non-porous materials.

Caution

Photo-ionization can cause color variations

related product

Referencia del producto
Descripción
Precios

32834

Leucocrystal Violet-d6, analytical standard

pictograms

Environment
GHS09

signalword

Warning

hcodes

H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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J E Roybal et al.
Journal of chromatography, 467(1), 259-266 (1989-04-21)
High-performance liquid chromatographic conditions are reported for the electrochemical detection (ED) of Gentian Violet, its demethylated metabolites, Leucogentian Violet and Methylene Blue. Gentian Violet, its demethylated metabolites and Leucogentian Violet were separated within 14 min on a cyano column eluted
R T Wilson et al.
Journal of AOAC International, 77(5), 1137-1142 (1994-09-01)
A gas chromatographic/mass spectrometric (GC/MS) procedure for confirming the identity of leucogentian violet (LGV) in chicken fat was developed for regulatory application. The unused portion of the extract remaining from a determinative procedure was back-extracted into an organic phase, concentrated
Xueli Wu et al.
Journal of chromatography. A, 1172(2), 121-126 (2007-10-24)
A method has been developed for the simultaneous determination of malachite green, gentian violet and their leuco-metabolites in various aquatic products using isotope dilution liquid chromatography-linear ion trap mass spectrometry without post-column oxidation. Sample was extracted with McIlvaine buffer and
J E Roybal et al.
Journal - Association of Official Analytical Chemists, 73(6), 940-946 (1990-11-01)
A method is presented for determination of residues of gentian violet (GV), its demethylated metabolites (pentamethyl and tetramethyl), and leucogentian violet (LGV) in chicken tissue. The analytes are extracted from tissue with acetonitrile/buffer and partitioned into methylene chloride. Polar lipids
J J McDonald et al.
Drug metabolism and disposition: the biological fate of chemicals, 12(3), 330-336 (1984-05-01)
Cellular suspensions of microflora isolated from human feces and from intestinal contents of rat and chicken transformed the triphenylmethane dye gentian violet under anaerobic conditions. Pure cultures of nine genera of strict and facultative anaerobes were also active. All pure
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