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MX0095

Malachite Green Oxalate

90% (TiCl3, titration), Amax, 616-620 nm 0.51

Synonym(s):

Malachite Green Oxalate, Basic Green 4

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About This Item

Linear Formula:
2[NH(CH3)2C6H4C(C6H5)=C6H4=N(CH3)2]+3HOOCCOOH
CAS Number:
18015-76-4
Colour Index Number:
42000
UNSPSC Code:
41116121
EC Index Number:
241-922-5
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Quality Segment

200

assay

90% (TiCl3, titration)

form

crystals

color

green

mp

~159 °C

Amax

0.51 at 616-620 nm

application(s)

diagnostic assay manufacturing
hematology
histology

shipped in

ambient

storage temp.

15-25°C

SMILES string

N(C)(C)c1ccc(cc1)[C+](c3ccc(cc3)N(C)C)c2ccccc2

InChI

1S/C23H25N2/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/h5-17H,1-4H3/q+1

InChI key

VFCNQNZNPKRXIT-UHFFFAOYSA-N

General description

For staining of bacterial polysaccharides and spores
Malachite Green Oxalate
MX0095-3 25g Glass Bottle

Application

For In-Vitro Diagnostic Use.
For Professional Use.
For staining of bacterial polysaccharides and spores

Analysis Note

Absorbance at maximum0.51AU minAbsorbance maximum wavelength616-620nmAbsorbance ratio; (P-15/P+15)1.00-1.15Assay (TiCl3 titration)90% minColorGreenFormCrystals

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Repr. 2

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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Questions

  1. Regarding MX0095-3 on the SDS it use to carry the Molecular weight and now it does not. I have 2 questions: 1. why does the SDS not have this molecular weight listed anymore and 2. when was this material discontinued?

    1 answer

    1. This product has been deleted for over 1 year. Other Malachite Green oxalate salt products remain available. The molecular weight for this product is not published on the product page or other documents. However, it is reported under the CAS number at PubChem. See the links below for additional information:

      PubChem CAS 18015-76-4
      https://pubchem.ncbi.nlm.nih.gov/compound/14513293

      Other Malachite Green product options
      https://www.sigmaaldrich.com/search/malachite-green-oxalate-salt?focus=products&page=1&perpage=30&sort=relevance&term=malachite%20green%20oxalate%20salt&type=product

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