330000

Rose bengal

Dye content 95 %, ≥96% (HPLC)

• Sinônimo(s): 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 (Notação de Hill): C₂₀H₂Cl₄I₄Na₂O₅
• Número CAS: 632-69-9
• Peso molecular: 1017.64
• Beilstein: 3645857
• Número CE: 211-183-3
• Número MDL: MFCD00005043
• Código UNSPSC: 12171500
• ID de substância PubChem: 24859827
• NACRES: NA.47

Propriedades

• Ensaio: ≥96% (HPLC)
• Formulário: solid
• composição: Dye content, 95%
• técnica(s): titration: suitable
• cor: red to brown
• ε (coeficiente de extinção): ≥ 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)
• aplicação(ões): diagnostic assay manufacturing; hematology; histology
• temperatura de armazenamento: room temp
• cadeia de caracteres 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
• chave InChI: UWBXIFCTIZXXLS-UHFFFAOYSA-L

Descrição

Descrição geral

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.

Aplicação

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

Informações de segurança

• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): WGK 3
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable
• Equipamento de proteção individual: Eyeshields, Gloves, type N95 (US)