Hematoxylin monohydrate (C.I.75290) for microscopy Certistain

Hematoxylin monohydrate (C.I.75290) for microscopy Certistain

Stock Code: 3595726
Manufacturer Part No: 1159380025
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Analysis Note


Dye content (spectrophotometrically): ≥ 95 %Identity (UV/VIS-Spectrum): passes testAbsorption maximum λ max (acetonitrile): 290 - 292 nmSpec. Absorptivity A 1%/1cm (λmax; 0.05 g/l; acetonitrile): 155 - 165Haematein (spectrophotometrically): ≤ 0.1 %Water (according to Karl Fischer): 5 - 6 %Suitability for microscopy: passes test


General description


Hämatoxylin-Monohydrat (C.I. 75290) for microscopy Certistain®, is a dye for the specific staining of DNA in the nuclei. It is used in cytology and histology. Nuclei are stained dark blue, dark violet to black. Hematoxylins are mixed with trivalent positively charged metal salts and build up the so-called hematoxylin lakes, used for the selective staining of nuclei (DNA). Certistain® is the quality group for seleceted high quality dyes that fulfill all quality requirements for IVD and CE registration. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.


Legal Information


CERTISTAIN is a registered trademark of Merck KGaA, Darmstadt, Germany


Packaging


25, 100 g in Glass bottle


1 kg in Metal can

Quality Level400
mp140 °C (Elimination of water of crystallisation)
ManufacturerSIGMA-ALDRICH
CompositionDye, ≥95% spectrophotometric assay
Bulk Density500 kg/m3
Solubilityslightly soluble at 20 °C
Formsolid

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