Malachite green oxalate, Technical Grade, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY
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Synonyms: Bis (N-{4-[[4-(dimethylamino)phenyl](phenyl)methylene]cyclohexa-2,5-dien-1-ylidene}-N-methylmethanaminium) trioxalateN-[4-[[4-(Dimethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-methanaminium, ethanedioate, ethanedioate(2:2:1)Basic Green 4Malachite green hemioxalateN,N,N',N'-Tetramethyl-4,4'-diaminotriphenylcarbenium oxalate

M-Clarity™ quality level = MQ200

M6880-100GEA 73.3 GBP
M6880-100G M6880-25G
Malachite green oxalate, Technical Grade, Sigma-Aldrich®
Malachite green oxalate

The release of phosphate or pyrophosphate in an enzymatic reaction can be detected by malachite green and is measured spectrometrically at 660 nm.


  • Malachite Green oxalate salt has been used in biliary phospholipid analysis
  • Malachite Green oxalate salt has been used in the preparation of malachite green-ammonium molybdate reagent, as a stop solution for starch synthase activity assay
  • To terminate the phosphatase and tensin homologue deleted on chromosome 10 (PTEN) inhibition assay using phosphatidylinositol (3,4,5) triphosphate (PI(3,4,5)P3) as substrate
  • To determine trypanothione synthetase activity to measure inorganic phosphate release from adenosine triphosphate (ATP) during catalysis


Malachite green is used in the treatment of fungal and parasitic infections in fish.

Formula: C₅₂H₅₄N₄O₁₂
MW: 927.02 g/mol
Melting Pt: ∼159 °C
Storage Temperature: Room Temperature
MDL Number: MFCD00011766
CAS Number: 2437-29-8
EINECS: 219-441-7
UN: 2811
ADR: 6.1,III
Merck Index: 13,05722
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Specification Test Results

Appearance (Colour) Metallic Green
Conforms
Appearance (Form) Powder or Solid or Crystals or Crystalline Chunk(s) or Chunk(s)
Solubility (Colour)
1 mg/ml, H₂O
Dark Blue to Dark Green
Carbon 60.5 - 68.6%
Nitrogen 5.3 - 6.6%
UV-Vis Spectrum
in H₂O
616 - 620 nm

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