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116316 Methyl blue (C.I. 42780)

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116316
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Overview

Replacement Information
Description
Catalogue Number116316
SynonymsMethyl blue for microscopy and microbiology
DescriptionMethyl blue (C.I. 42780)
OverviewMethyl blue (C.I.42780), is a dry dye for the preparation of a color staining solution used for the polychrome staining of histological tissue sections of human origin. The dye is a CE certified IVD product and has a constant dye content and a reliable high quality, which is one of the major precondition for a reproducible diagnostic staining. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.
References
Product Information
CAS number28983-56-4
EC number249-352-9
Hill FormulaC₃₇H₂₇N₃Na₂O₉S₃
Molar Mass799.79 g/mol
HS Code3212 90 00
Structure formula ImageStructure formula Image
Quality LevelMQ400
Applications
Applicationfor microscopy
Biological Information
Physicochemical Information
Flash point>300 °C
Melting Point>-250 K
pH value5.0 (10 g/l, H₂O, 20 °C)
Bulk density670 kg/m3
Solubility70 g/l
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Rat > 5000 mg/kg
Safety Information according to GHS
RTECSDB5044700
Storage class10 - 13 Other liquids and solids
WGKWGK 2 obviously hazardous to water
Disposal3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety Information
Product Usage Statements
Storage and Shipping Information
StorageStore at +2°C to +30°C.
Packaging Information
Transport Information
Supplemental Information
Specifications
Dye content (spectrophotometrically)≥ 60 %
Identity
- sodium

passes test
- UV/VIS-Spectrumpasses test
Absorption maximum λ max (Hydrochloric acid 0.005 mol/l)595 - 605 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; hydrochloric acid 0.005 mol/l)675 - 1125
TLC-Testpasses test
Loss on drying (110 °C)≤ 7 %
Suitability for microscopypasses test