200964

Erythrosin B

Dye content ≥95 %

• Synonym(e): C.I. 45430:2, Solvent Red 140
• Empirische Formel (Hill-System): C₂₀H₈I₄O₅
• CAS-Nummer: 15905-32-5
• Molekulargewicht: 835.89
• Farbindexnummer: 45430:2
• EG-Nummer: 240-046-0
• MDL-Nummer: MFCD00005044
• UNSPSC-Code: 12171500
• PubChem Substanz-ID: 24851985
• NACRES: NA.47

Eigenschaften

• Form: powder
• Qualitätsniveau: 100
• Zusammensetzung: Dye content, ≥95%
• Farbe: orange to red-orange
• mp (Schmelzpunkt): 303 °C (dec.) (lit.)
• Löslichkeit: 1 M NH4OH: 1 mg/mL; 1 M NH4OH: soluble 1 mg/mL, orange to red
• ε (Extinktionskoeffizient): ≥102000 at 526-534 nm at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3); ≥13000 at 310-318 nm in 1 M NH4OH at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3); ≥32000 at 258-266 nm at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3)
• Anwendung(en): diagnostic assay manufacturing; hematology; histology
• Lagertemp.: room temp
• SMILES String: Oc1c(I)cc2c(Oc3c(I)c(O)c(I)cc3C24OC(=O)c5ccccc45)c1I
• InChI: 1S/C20H8I4O5/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
• InChIKey: OALHHIHQOFIMEF-UHFFFAOYSA-N

Beschreibung

Anwendung

Erythrosin B has been used as a dye in fluorescence lifetime imaging.

Biochem./physiol. Wirkung

Erythrosin B, also called as eosin B, is a xanthene dye. It belongs to the family of fluorescein dyes. It plays a major role in inhibiting dopamine uptake and high affinity ³H-ouabain binding and ion transport in synaptosomes from rat caudate nucleus.

Sicherheitshinweise

• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 2
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Gloves, type N95 (US)