Methylene blue, Gurr™ for microscopical staining

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Synonyms: Basic Blue 9Swiss BlueMethylthioninium chlorideMethylene blue chloride3,7-Bis(dimethylamino)phenothiazin-5-ium chloride

M-Clarity™ quality level = MQ300

340484BEA 9105 INR
340484B
Methylene blue, Gurr™ for microscopical staining
Methylene blue

Methylene blue for microbiological staining and reagent for molybdate

Formula: C₁₆H₁₈ClN₃S
MW: 337,87 g/mol
Melting Pt: 180 °C
Density: 1,757 g/cm³ (22 °C)
Storage Temperature: ambient
MDL Number: MFCD00150008
CAS Number: 61-73-4
EINECS: 200-515-2
UN: 0000
Merck Index: 12,06137
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Specification Test Results

Dye content (spectrophotometrically) Min. 82 %
Identity (Chloride) Passes test
Identity (UV/VIS-Spectrum) Passes test
Absorption max. Lambda max (Ethanol 50%) 660 --> 665 nm
Spec.Absorptiv.(λm;0.003g/l;ethanol 50%) 2250 --> 2750
TLC-Test Passes test
Loss on drying (110°C) 10 --> 15 %
Suitability for microscopy Passes test

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