Merck 109248.2500 Karl Fischer reagent 5 single comp.reag with pyridine

Merck 109248.2500 Karl Fischer reagent 5 single comp.reag with pyridine

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Merck 109248.2500
Karl Fischer reagent 5 single comp.reag with pyridine

Catalogue Number 109249
Overview In hematoxylin-eosin staining (H&E), the most widely used histological staining technique, nuclear staining is achieved using ready-to-use staining solutions, such as Mayer’s hemalum solution or Hematoxylin solution modified according to Gill III. These solutions do not need to be filtrated prior use and the dye is oxidized in a controlled manner, which renders the results robust and allows a brilliant differentiation of the stained structures. Counterstaining of i.e. for proteins, collagen, keratin, intercellular substances. can be performed with alcoholic or aqueous Eosin Y solution 0.5 %. It is registered as IVD and CE certified product and can be used for clinical diagnostics.

Product Information
HS Code 3212 90 00

Physicochemical Information
Density 1.05 g/cm3 (2

0 °C)

Safety Information according to GHS
Hazard Pictogram(s)

Hazard Statement(s) H302: Harmful if swallowed.
H319: Causes serious eye irritation.
H373: May cause damage to organs through prolonged or repeated exposure.
Precautionary Statement(s) P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P314: Get medical advice/ attention if you feel unwell.
Signal Word Warning
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
Disposal 3
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
Hazard Symbols Harmful
Categories of danger harmful
R Phrase R 22-48/22
Harmful if swallowed.Harmful: danger of serious damage to health by prolonged exposure if swallowed.

Storage and Shipping Information
Storage Store at +15°C to +25°C.

Suitability for microscopy (Tissue section) passes test
Nuclei dark blue to dark violet
Cytoplasm pink to red
intercellular substances pink to red
Erythrocytes yellow to orange


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