115935 Eosin Y (yellowish) (C.I. 45380)

115935
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      Overview

      Replacement Information

      Key Specifications Table

      CAS #EC NumberHill FormulaMolar Mass
      17372-87-1 241-409-6 C₂₀H₆Br₄Na₂O₅ 691.86 g/mol

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          Glass bottle 100 g
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          1159351000
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              Metal can 1 kg
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              Description
              Catalogue Number115935
              DescriptionEOSIN Y (YELLOWISH)(C.I. 45380) FOR MICR
              OverviewEosin Y (C.I. 45380) is a CERTISTAIN® dry dye for microscopy that is often used as a counterstain, vizualising proteins, connective tissues, fibers and keratin in sample material of human origin. Depending on user requirements and personal preferences, it can be used for the preparation of the commonly used aqueous or alcoholic Eosin Y staining solutions. This staining solution will mostly be used for routine staining in the hematoxylin-eosin staining process (H&E). The H&E staining process is the most frequently used staining method for histological material. Due to the hematoxylin solution, the nuclei will appear blue to dark violet in color and the Eosin Y solution will stain the cytoplasma and intercellular substances red-orange.
              As the Eosin Y dye belongs to the portfolio of Certistain® dyes, it is chemically analyzed according to strict specifications before release (CE marked and IVD product) and a high staining quality, with reliable staining results is guaranteed.
              References
              Product Information
              CAS number17372-87-1
              EC number241-409-6
              Hill FormulaC₂₀H₆Br₄Na₂O₅
              Molar Mass691.86 g/mol
              HS Code3204 12 00
              Structure formula ImageStructure formula Image
              Applications
              ApplicationCertistain® dry dye used for counterstaining
              Biological Information
              Physicochemical Information
              Melting Point295 - 296 °C
              pH value9.2 (10 g/l, H₂O, 20 °C)
              Bulk density710 kg/m3
              Solubility300 g/l
              Dimensions
              Materials Information
              Toxicological Information
              LD 50 oralLD50 Rat > 2000 mg/kg
              Safety Information according to GHS
              Hazard Pictogram(s) Hazard Pictogram(s)
              Hazard Statement(s)H319: Causes serious eye irritation.
              Precautionary Statement(s)P260: Do not breathe dust.
              P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
              Signal WordWarning
              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
              Hazard Symbols Hazard SymbolsIrritant
              Categories of dangerirritant
              R PhraseR 36
              Irritating to eyes.
              S PhraseS 22-26
              Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
              Product Usage Statements
              Storage and Shipping Information
              StorageStore at +5°C to +30°C.
              Packaging Information
              Transport Information
              Supplemental Information
              Specifications
              Dye content (gravimetrically)≥ 85 %
              Identity (UV/VIS-Spectrum)passes test
              Absorption maximum λ max (water)515 - 518 nm
              Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; water)1200 - 1400
              TLC-Testpasses test
              Loss on drying (110 °C)≤ 8 %
              Suitability for microscopypasses test

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              Categories

              IVD/OEM Materials & Reagents > Microscopy > Dyes for Microscopy > Certistain® Dyes
              Reagents, Chemicals and Labware > Inorganic Reagents > Safety Products and General Applications > Indicators > Acid Alkali Indicators or pH Indicators
              Reagents, Chemicals and Labware > Inorganic Reagents > Safety Products and General Applications > Indicators > Fluorescence Indicators