توضیحات
متيلن بلو 25 گرم كد 34048 كمپاني BDH انگلستان
Methylene blue (C.I.52015)
Synonym: Methylene Blue trihydrate, Methylthioninium chloride, 3,7-
- CAS Number 7220-79-3
- Empirical Formula (Hill Notation) C16H18ClN3S · 3H2O
- Molecular Weight 373.90
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Analysis Note
Dye content (spectrophotometrically): ≥ 88 %
Identity
– Chloride:
passes test
– UV/VIS-Spectrum: passes test
Absorption maximum λ max (ethanol 50 %): 660 – 665 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.003 g/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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