Malachite green oxalate, pure, certified

Supplier: Thermo Scientific
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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

ACRO413490250EA 25.3 GBP
ACRO413490250 ACRO413491000
Malachite green oxalate, pure, certified
Malachite green oxalate
Formula: C₅₂H₅₄N₄O₁₂
MW: 927.02 g/mol
Melting Pt: 144…150 °C
Storage Temperature: Ambient
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 Green to dark green Crystalline powder or crystals
Infrared spectrum Conforms
Dye content ≥90 %
UV Lambda max 614 to 620 nm (in water)
Absorption Ratio P-15/P+15 1.00 to 1.15
Visual transition interval from pH 0.0 (yellow) to pH 2.0 (green)
Visual transition interval from pH 11.6 (blue-green) to pH 14.0 (colorless)
BSC Certification Passes

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