230251

Eosin Y

75% (HPLC)

• Sinonimo/i: 2′,4′,5′,7′-Tetrabromofluorescein, Acid Red 87, Bromo acid J. TS, XL, or XX, Bromofluorescein, Bronze Bromo ES, Eosin yellowish, Solvent red 43
• Formula empirica (notazione di Hill): C₂₀H₈Br₄O₅
• Numero CAS: 15086-94-9
• Peso molecolare: 647.89
• Colour Index: 45380:2
• Numero CE: 239-138-3
• Numero MDL: MFCD00036189
• Codice UNSPSC: 12171500
• ID PubChem: 24853789
• NACRES: NA.47

Proprietà

• Livello qualitativo: 100
• Saggio: 75% (HPLC)
• Forma fisica: powder
• Colore: orange to very dark orange
• Solubilità: spirit: soluble
• λmax: 524 nm
• applicazioni: diagnostic assay manufacturing; hematology; histology
• Temperatura di conservazione: room temp
• Stringa SMILE: Oc1c(Br)cc2c(Oc3c(Br)c(O)c(Br)cc3C24OC(=O)c5ccccc45)c1Br
• InChI: 1S/C20H8Br4O5/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20/h1-6,25-26H; DBZJJPROPLPMSN-UHFFFAOYSA-N

Descrizione

Descrizione generale

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.

Applicazioni

Eosin Y has been used as a reagent in the preparation of Nigrosin-Eosin (NE) stain and is used in hematoxylin and eosin (H&E) staining technique to visualize alginate.

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 3
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable
• Dispositivi di protezione individuale: Eyeshields, Gloves, type N95 (US)