Malachite green , AR , 2437-29-8

Synonym(s):
N,N,N′,N′-Tetramethyl-4,4′-diaminotriphenylcarbenium chloride;N,N,N′,N′-Tetramethyl-4,4′-diaminotriphenylcarbenium oxalate;Basic Green 4;Malachite Green

CAS NO.：2437-29-8

Empirical Formula: C52H54N4O12

Molecular Weight: 927

MDL number: MFCD00011766

EINECS: 219-441-7

PRODUCT Properties

• Melting point: 164°C (dec.)
• storage temp.: room temp
• solubility: 110g/l
• Colour Index: 42000
• form: Powder/Solid
• pka: 6.9(at 25℃)
• color: S. No.: 754
• PH: 2.4 (10g/l, H2O, 24℃)
• PH Range: 0.0(YELLOW)-2.0(GREEN); 11.0(GREEN)-13.5(CORLORLESS)
• Water Solubility: 60 g/L (20 ºC)
• λmax: 614 nm, 425 nm
• Merck: 14,5699
• BRN: 3644550
• Stability: Stable. Substances to be avoided include strong oxidizing agents.
• Biological Applications: Detecting bacterial growth; treating fish diseases,malignant neoplasm
• InChIKey: CNYGFPPAGUCRIC-UHFFFAOYSA-L

Description and Uses

Malachite Green oxalate salt has been used:

• in the preparation of Alexander staining solution for cell viability test
• in malachite green-ammonium molybdate assay for determining the adenosine triphosphatase (ATPase) activity of binding immunoglobulin protein (BiP)
• as a hydrophobic ion, to study the label-free molecular transport in the living cell membranes of Escherichia coli in real time by second-harmonic generation (SHG) method

Safety

• Symbol(GHS): GHS05,GHS06,GHS08,GHS09
• Signal word: Danger
• Hazard statements: H301-H318-H361d-H410
• Precautionary statements: P201-P202-P273-P280-P301+P310-P305+P351+P338
• Hazard Codes: Xn,N,Xi
• Risk Statements: 22-41-50/53-63-25-21-40-36/37/38-20/21/22-52/53-51/53-36/38
• Safety Statements: 26-39-45-61-60-46-36/37-2-36/37/39-36-22
• RIDADR: UN 2811 6.1/PG 3
• WGK Germany: 3
• RTECS: BQ1190000
• HazardClass: 6.1(b)
• PackingGroup: III
• HS Code: 32041300