Rose bengal, 1 X 5 g (330000-5G)

MilliporeSigma® (Sigma-Aldrich)

SKU:

330000-5G

$208.00

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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 has been used to …

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SDS

Îµ (extinction coefficient)	≥32000 at 262-266 nm
technique(s)	titration: suitable
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
color	red to brown
application(s)	diagnostic assay manufacturinghematologyhistology
CAS_NO	632-69-9
Îµ (extinction coefficient)	≥32000 at 513-517 nm
assay	≥96% (HPLC)
Îµ (extinction coefficient)	≥12000 at 311-315 nm
InChI key	UWBXIFCTIZXXLS-UHFFFAOYSA-L
Îµ (extinction coefficient)	≥ 3000 at 350-354 nm
composition	Dye content, 95%
Quality Level	200
SMILES string	[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
Îµ (extinction coefficient)	≥98000 at 546-550 nm at 0.04 g/L (H2O + 1ml 1% Na2CO3)
storage temp.	room temp
form	solid

Rose bengal, 1 X 5 g (330000-5G)

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Rose bengal, 1 X 5 g (330000-5G)

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