MERCK 115935 Eosin Y (yellowish) (C.I. 45380) for microscopy Certistain. CAS 17372-87-1, pH 9.2 (10 g/l, H₂O, 20 °C)

MERCK 115935 Eosin Y (yellowish) (C.I. 45380) for microscopy Certistain. CAS 17372-87-1, pH 9.2 (10 g/l, H₂O, 20 °C)

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Stok Kodu
115935.0025
Kategori
Kimyasallar
Marka
Merck
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Ürün Bilgisi
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Ürün Bilgisi
Description
Catalogue Number 115935
Description EOSIN Y (YELLOWISH)(C.I. 45380) FOR MICR
Overview Eosin 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.
Product Information
CAS number 17372-87-1
EC number 241-409-6
Hill Formula C₂₀H₆Br₄Na₂O₅
Molar Mass 691.86 g/mol
HS Code 3204 12 00
Structure formula Image
Applications
Application Eosin Y (yellowish) (C.I. 45380) for microscopy Certistain®. CAS 17372-87-1, pH 9.2 (10 g/l, H₂O, 20 °C).
Physicochemical Information
Melting Point 295 - 296 °C
pH value 9.2 (10 g/l, H₂O, 20 °C)
Bulk density 710 kg/m3
Solubility 300 g/l
Toxicological Information
LD 50 oral LD50 Rat > 2000 mg/kg
Safety Information according to GHS
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.
Storage class 10 - 13 Other liquids and solids
WGK WGK 2 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 Irritant
Categories of danger irritant
R Phrase R 36
Irritating to eyes.
S Phrase S 22-26
Do not breathe dust.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Storage and Shipping Information
Storage Store at +5°C to +30°C.
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-Test passes test
Loss on drying (110 °C) ≤ 8 %
Suitability for microscopy passes test
Taksit Seçenekleri
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MERCK 115935 Eosin Y (yellowish) (C.I. 45380) for microscopy Certistain. CAS 17372-87-1, pH 9.2 (10 g/l, H₂O, 20 °C)

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