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219215

Sigma-Aldrich

Leucocrystal Violet

Sinonimo/i:

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

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About This Item

Formula condensata:
CH[C6H4N(CH3)2]3
Numero CAS:
603-48-5
Peso molecolare:
373.53
Numero CE:
210-043-9
Numero MDL:
MFCD00008314
Codice UNSPSC:
12171500
ID PubChem:
24853114
NACRES:
NA.47

Stato

powder

tecniche

microbe id | staining: suitable

Punto di fusione

175-177 °C (lit.)

λmax

260 nm

ε (coefficiente d’estinzione)

≥700 at 257-263 nm

applicazioni

diagnostic assay manufacturing
hematology
histology

Temperatura di conservazione

room temp

Stringa SMILE

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
OAZWDJGLIYNYMU-UHFFFAOYSA-N

Applicazioni

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

Azioni biochim/fisiol

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.

Avvertenza

Photo-ionization can cause color variations

Prodotti correlati

N° Catalogo
Descrizione
Determinazione del prezzo

Pittogrammi

Environment
GHS09

Avvertenze

Warning

Indicazioni di pericolo

H410

Consigli di prudenza

P273 - P391 - P501

Classi di pericolo

Aquatic Acute 1 - Aquatic Chronic 1

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
MKBW1177V
MKBR8820V
MKBR8440V
S11859
S41106

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Sigma-Aldrich

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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
P G Schermerhorn et al.
Journal of AOAC International, 77(6), 1454-1460 (1994-11-01)
A laboratory trial was completed for a liquid chromatographic method that can quantitate leucogentian violet (LGV) in chicken fat at 10 ppb. With this method, LGV is isolated from the fat matrix by a series of liquid-liquid extractions. This trial
L G Rushing et al.
Journal of chromatography. B, Biomedical applications, 674(1), 125-131 (1995-12-01)
A sensitive analytical procedure for the determination of residues of leucogentian violet (LGV) and gentian violet (GV) in catfish tissue is presented. Frozen (-20 degrees C) catfish fillets were cut into chunks and then blended in a Waring blender. A
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
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