E6003

Eosin Y disodium salt

Dye content ≥85%, Powder

• Synonyme(s) : 2′,4′,5′,7′-Tetrabromofluorescein disodium salt, Acid Red 87, Bromo acid J. TS, XL, or XX, Bromofluorescein, Bronze Bromo ES, D&C;Red No. 22, Eosin yellowish
• Formule empirique (notation de Hill): C₂₀H₆Br₄Na₂O₅
• Numéro CAS: 17372-87-1
• Poids moléculaire : 691.85
• Numéro C.I. (Colour Index): 45380
• Numéro Beilstein : 3586809
• Numéro CE : 241-409-6
• Numéro MDL: MFCD00005040
• Code UNSPSC : 12171500
• ID de substance PubChem : 24894349
• Nomenclature NACRES : NA.47

Propriétés

• product name: Eosin Y disodium salt, Dye content ≥85 %
• Forme: powder
• Niveau de qualité: 200
• Composition: Dye content, ≥85%
• Technique(s): titration: suitable
• Couleur: brown
• pH: 6.55 (29 °C, 84 °F)
• Pf: 255 — 270 °C (491 - 518 °F at 977.9 hPa)
• Solubilité: H₂O: 1 mg/mL
• Densité: 1.018 g/cm³
• Application(s): diagnostic assay manufacturing; hematology; histology
• Température de stockage: room temp
• Chaîne SMILES: [Na+].[Na+].[O-]C(=O)c1ccccc1C2=C3C=C(Br)C(=O)C(Br)=C3Oc4c(Br)c([O-])c(Br)cc24
• InChI: 1S/C20H8Br4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2
• Clé InChI: SEACYXSIPDVVMV-UHFFFAOYSA-L

Description

Application

Eosin Y disodium salt has been used for determining sperm viability. The swollen and stained spermatozoa were considered dead. In corneal epithelium, it has been used in the procedure of immunohistological staining.

Actions biochimiques/physiologiques

Eosin Y is a xanthene dye and is used for the differential staining of connective tissue and cytoplasm. In histopathology, it is applied as a counterstain after hematoxylin and before methylene blue. It is also used as a background stain, thereby giving contrast to the nuclear stains.

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H317,H319
• Conseils de prudence: P261 - P264 - P272 - P280 - P302 + P352 - P305 + P351 + P338
• Classification des risques: Eye Irrit. 2 - Skin Sens. 1
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Point d'éclair (°F): 376.9 °F - Pensky-Martens closed cup
• Point d'éclair (°C): 191.6 °C - Pensky-Martens closed cup
• Équipement de protection individuelle: dust mask type N95 (US), Eyeshields, Gloves