200964

Erythrosin B

Dye content ≥95 %

• Synonyme(s) : Solvent Red 140
• Formule empirique (notation de Hill): C₂₀H₈I₄O₅
• Numéro CAS: 15905-32-5
• Poids moléculaire : 835.89
• Numéro C.I. (Colour Index): 45430:2
• Numéro CE : 240-046-0
• Numéro MDL: MFCD00005044
• Code UNSPSC : 12171500
• ID de substance PubChem : 24851985
• Nomenclature NACRES : NA.47

Propriétés

• Forme: powder
• Composition: Dye content, ≥95%
• Technique(s): microbe id | staining: suitable
• Couleur: orange to red-orange
• Pf: 303 °C (dec.) (lit.)
• Solubilité: 1 M NH4OH: 1 mg/mL; 1 M NH4OH: soluble 1 mg/mL, orange to red
• ε (coefficient d'extinction): ≥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)
• Application(s): diagnostic assay manufacturing; hematology; histology
• Température de stockage: room temp
• Chaîne SMILES: 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
• Clé InChI: OALHHIHQOFIMEF-UHFFFAOYSA-N

Description

Application

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

Actions biochimiques/physiologiques

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.

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: Eyeshields, Gloves, type N95 (US)