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Malachite Green oxalate salt

VETRANAL®, analytical standard

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Synonym(s):
N,N,N′,N′-Tetramethyl-4,4′-diaminotriphenylcarbenium oxalate, Basic Green 4
Empirical Formula (Hill Notation):
C23H25N2 · C2HO4 · 0.5C2H2O4
CAS Number:
2437-29-8
Molecular Weight:
463.50
Colour Index Number:
42000
Beilstein/REAXYS Number:
3644550
EC Number:
219-441-7
UNSPSC Code:
41116107
PubChem Substance ID:
24870123
NACRES:
NA.24

grade

analytical standard

Quality Level

100

product line

VETRANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

C[N+](C)=C1C=CC(C=C1)=C(C2=CC=C(N(C)C)C=C2)C3=CC=CC=C3.[O-]C(C(O)=O)=O

InChI

1S/C23H25N2.C2H2O4/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;3-1(4)2(5)6/h5-17H,1-4H3;(H,3,4)(H,5,6)/q+1;/p-1

InChI key

REZFCYOVFCJTDG-UHFFFAOYSA-M

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Application

Malachite green oxalate salt may be used as an analytical standard for investigating the ultrasound assisted sorption of malachite green from aqueous solutions using dead needles of Aleppo pine as the sorbent.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Legal Information

VETRANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

signalword

Danger

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Repr. 2

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sigma-Aldrich

Sigma-Aldrich

20-104

Malachite Green Additive

Malachite green oxalate (C.I. 42000) for microscopy Certistain®

Sigma-Aldrich

1.15942

Malachite green oxalate (C.I. 42000)

Sigma-Aldrich

Sigma-Aldrich

20-105

Malachite Green Solution A

Ultrasound-assisted removal of malachite green from aqueous solution by dead pine needles
Hamdaoui O, et al.
Ultrasonics Sonochemistry, 15(5), 799-807 (2008)
Jia Zeng et al.
Biophysical journal, 104(1), 139-145 (2013-01-22)
It is shown that the nonlinear optical phenomenon known as second-harmonic generation can be used for label-free, time-resolved study of the transport of molecules through living cell membranes. The adsorption and transport of a 300-Da molecular-mass hydrophobic ion at the
Xiaofang Jia et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 18(42), 13494-13500 (2012-09-05)
This work describes a novel strategy for the highly sensitive and selective detection of cysteine (Cys) and glutathione (GSH) based on the Hg(2+)-AGRO100-malachite green (MG) complex system. The dye MG, which has a very low quantum yield in aqueous solution
Liping Wen et al.
Advanced materials (Deerfield Beach, Fla.), 24(46), 6193-6198 (2012-09-29)
A highly efficient and perfectly reversible ionic gate that can be activated by pH or UV light is demonstrated. Switching between the OFF state and the ON state is mainly dependent on the surface charge transition brought about by a
Jianwei Dong et al.
The Analyst, 137(19), 4571-4576 (2012-08-18)
A new surface-initiated polymerization based on pasting the initiator on a sensor chip surface was applied to prepare a malachite green (MG) imprinted ultrathin film on a surface plasmon resonance (SPR) sensor. First, the initiator (2,2-azoisobutyronitrile) was pasted on the
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