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Supelco

Leucomalachite Green

analytical standard

Synonym(s):

4,4′-Benzylidenebis(N,N-dimethylaniline)

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About This Item

Linear Formula:
C6H5CH[C6H4N(CH3)2]2
CAS Number:
129-73-7
Molecular Weight:
330.47
Beilstein/REAXYS Number:
2140506
EC Number:
204-961-9
MDL number:
MFCD00008315
UNSPSC Code:
85151701
PubChem Substance ID:
329761851
NACRES:
NA.24

grade

analytical standard

Quality Level

100

assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

100-102 °C (lit.)

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

CN(C)c1ccc(cc1)C(c2ccccc2)c3ccc(cc3)N(C)C

InChI

1S/C23H26N2/c1-24(2)21-14-10-19(11-15-21)23(18-8-6-5-7-9-18)20-12-16-22(17-13-20)25(3)4/h5-17,23H,1-4H3

InChI key

WZKXBGJNNCGHIC-UHFFFAOYSA-N

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General description

Leucomalachite green is a triphenylmethane dye and a metabolite of malachite green.

Application

Leucomalachite green may be used as an analytical reference standard for the quantification of the analyte in fish samples using different chromatography techniques.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Muta. 2

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL7375
BCCG0651
1405114V
1405114

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Determination of malachite green and leucomalachite green in edible goldfish muscle by liquid chromatography?ion trap mass spectrometry
Lee C-K, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 843(2), 247-251 (2006)
Kevin J Farrugia et al.
Science & justice : journal of the Forensic Science Society, 51(3), 110-121 (2011-09-06)
This study investigates the optimisation of peroxidase based enhancement techniques for footwear impressions made in blood on various fabric surfaces. Four different haem reagents: leuco crystal violet (LCV), leuco malachite green (LMG), fluorescein and luminol were used to enhance the
Jun Bae Lee et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 27(7), 953-961 (2010-06-15)
This paper presents analysis of malachite green (MG) and crystal violet (CV) residues in processed fish products. Samples were homogenized and extracted with ammonium acetate buffer and acetonitrile. The extracted residues were partitioned into dichloromethane, in situ oxidized to chromic
A simple and rapid method for the identification and quantification of malachite green and its metabolite in hake by HPLC?MS/MS
Nebot C, et al.
Food Control, 31(1), 102-107 (2013)
Hongping Wan et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 49(12), 3031-3037 (2011-10-19)
Malachite green (MG) had been extensively used worldwide in the past few decades as an effective fungicide, bactericide, ectoparasiticide, and antiprotozoan on fish. It is rapidly and extensively metabolized to leucomalachite green (LMG) in fishes. To study the developmental toxicity
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