InChI key
CXKWCBBOMKCUKX-UHFFFAOYSA-M
SMILES string
[Cl-].CN(C)c1ccc2N=C3C=C\C(C=C3Sc2c1)=[N+](/C)C
InChI
1S/C16H18N3S.ClH/c1-18(2)11-5-7-13-15(9-11)20-16-10-12(19(3)4)6-8-14(16)17-13;/h5-10H,1-4H3;1H/q+1;/p-1
form
solid
potency
1180 mg/kg LD50, oral (Rat)
composition
Dye, ≥82% spectrophotometric assay
pH
3 (20 °C, 10 g/L in H2O)
mp
190 °C (dec.) (lit.)
solubility
50 g/L
density
1.757 g/cm3 at 22 °C
bulk density
400‑600 kg/m3
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
2-30°C
Quality Level
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Analysis Note
Dye content (spectrophotometrically): ≥ 82 %
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
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
Application
for microscopy Certistain®
General description
Methylene blue (C.I. 52015) for microscopy Certistain® is a dry dye that is used in bacteriology for an overview stain and as counterstaining for Ziehl-Neelsen method in sample material of human origin. Bacteria appear blue. The dye has a further important application in hematology: Methylene blue and eosin are the main components of many staining solutions and dye mixtures. As a CERTISTAIN® dye it is chemically quality-certified according to highest standards and strict specifications.
Legal Information
CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
存储类别
11 - Combustible Solids
wgk
WGK 2
法规信息
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