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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:
Molecular Weight:
330.47
Beilstein:
2140506
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

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.

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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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)
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)
Kamila Mitrowska et al.
Journal of chromatography. A, 1207(1-2), 94-100 (2008-09-06)
A liquid chromatography with visible and fluorescence detection (LC-vis/FLD) method for screening and a liquid chromatography with mass spectrometry (LC-MS/MS) method for the confirmation of malachite green (MG) and its major metabolite, leucomalachite green (LMG) residues in water have been
Juliana C Hashimoto et al.
Journal of AOAC International, 95(3), 913-922 (2012-07-24)
A simple method using LC/MS/MS was developed and validated to determine residues of malachite green (MG) and leucomalachite green (LMG) in fish fillet. A modified QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) technique was used to perform the sample
David Arroyo et al.
Journal of chromatography. A, 1216(29), 5472-5482 (2009-06-19)
This paper reports a multiresponse optimization of an extraction procedure in the simultaneous determination of malachite green (MG) and its metabolite (leucomalachite green, LMG) in fish by liquid chromatography with triple quadrupole mass spectrometry (LC-MS/MS). Prior to optimization, the active

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