159270 Methylene blue (C.I. 52015) Reag. Ph Eur
atau disebut juga : Methylthioninium chloride, 3,7-Bis(dimethylamino)phenothiazinium chloride, Tetramethylthionine chloride
Suhu penyimpanan : tidak ada batasan.
Appearance | Dark green powder, eventually with granular and bright parts. |
Identity (UV/VIS-Spectrum) | passes test |
Absorption maximum λmax. (ethanol 50 %) | 660 - 665 nm |
Spec. Absorptivity A 1%/1cm (λmax; 0.003 g/l; ethanol 50 %) | 2250 - 2750 |
Loss on drying (110 °C) | 10 - 15 % |