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Rose bengal

ALDRICH/330000 - ≥96% (HPLC), Dye content 95 %

Synonym: 4,5,6,7-Tetrachloro-2′,4′,5′,7′-tetraiodofluorescein disodium salt; Acid Red 94; Bengal Rose B sodium salt; Rose Bengal sodium salt

CAS Number: 632-69-9
Empirical Formula (Hill Notation): C20H2Cl4I4Na2O5
Molecular Weight: 1017.64
EC Number: 211-183-3
MDL Number: MFCD00005043
Linear Formula: C20H2Cl4I4Na2O5
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-330000-1G 1 g
$60.50
1/EA
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45-330000-5G 5 g
$208.00
1/EA
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 330000-5G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 330000-1G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 330000-5G

 

ε (extinction coefficient) ≥ 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)
application(s) diagnostic assay manufacturing
hematology
histology
assay ≥96% (HPLC)
color red to brown
composition Dye content, 95%
form solid
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
InChI key UWBXIFCTIZXXLS-UHFFFAOYSA-L
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
storage temp. room temp
Application: Rose Bengal has been used to evaluate acrosome integrity. It has also been used to initiate photothrombotic occlusion in blood.
General description: 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.
General description: Rose Bengal is used to stain dead and degenerating cells and mucus.
Packaging: 1, 5 g in glass bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥96% (HPLC)
Storage Temp. room temp
UNSPSC 12171500

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