330000

Rose bengal

Dye content 95 %, ≥96% (HPLC)

• Sinónimos: 4,5,6,7-Tetrachloro-2′,4′,5′,7′-tetraiodofluorescein disodium salt, Acid Red 94, Bengal Rose B sodium salt, Rose Bengal sodium salt
• Fórmula empírica (notación de Hill): C₂₀H₂Cl₄I₄Na₂O₅
• Número de CAS: 632-69-9
• Peso molecular: 1017.64
• Beilstein: 3645857
• Número CE: 211-183-3
• Número MDL: MFCD00005043
• Código UNSPSC: 12171500
• ID de la sustancia en PubChem: 24859827
• NACRES: NA.47

Propiedades

• Ensayo: ≥96% (HPLC)
• Formulario: solid
• composición: Dye content, 95%
• técnicas: titration: suitable
• color: red to brown
• ε (coeficiente de extinción): ≥ 3000 at 350-354 nm; ≥12000 at 311-315 nm; ≥32000 at 262-266 nm; ≥32000 at 513-517 nm; ≥98000 at 546-550 nm at 0.04 g/L (H2O + 1ml 1% Na2CO3)
• aplicaciones: diagnostic assay manufacturing; hematology; histology
• temp. de almacenamiento: room temp
• cadena SMILES: [Na+].[Na+].[O-]C(=O)c1c(Cl)c(Cl)c(Cl)c(Cl)c1C2=C3C=C(I)C(=O)C(I)=C3Oc4c(I)c([O-])c(I)cc24
• InChI: 1S/C20H4Cl4I4O5.2Na/c21-10-8(9(20(31)32)11(22)13(24)12(10)23)7-3-1-5(25)16(29)14(27)18(3)33-19-4(7)2-6(26)17(30)15(19)28;;/h1-2,29H,(H,31,32);;/q;2*+1/p-2
• Clave InChI: UWBXIFCTIZXXLS-UHFFFAOYSA-L

Descripción

Descripción general

Rose Bengal is a red or rose color dye and is anionic in nature. It is a 4,5,6,7-tetrachloro 2′,4′,5′,7′-tetraiodo derivative of fluorescein. It is widely used to detect damage to the ocular surface epithelium in ocular surface diseases such as dry eye and herpetic keratitis. Rose Bengal has mild antiviral potency.

Rose Bengal is used to stain dead and degenerating cells and mucus.

Aplicación

Rose Bengal has been used to evaluate acrosome integrity. It has also been used to initiate photothrombotic occlusion in blood.

Información de seguridad

• Código de clase de almacenamiento: 11 - Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 3
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable
• Equipo de protección personal: Eyeshields, Gloves, type N95 (US)