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
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InChI key
UWBXIFCTIZXXLS-UHFFFAOYSA-L
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
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
assay
≥96% (HPLC)
form
solid
composition
Dye content, 95%
technique(s)
titration: suitable
color
red to brown
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
storage temp.
room temp
Quality Level
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Categorías relacionadas
Application
General description
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
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What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What is the solubility of Rose Bengal, Product 330000?
According to The Sigma-Aldrich Handbook of Stains, Dyes and Indicators, Rose Bengal is soluble in water at 100 mg/mL, ethanol at 30 mg/mL and 2-methoxyethanol at 60 mg/mL. Conn's Biological Stains (10th Edition) states Rose Bengal has a solubility of 36% in water and 8% in ethanol.
What types of applications can Product 330000, Rose bengal be used for?
According to the literature, Rose bengal has been used in a used in neutrophil adherence test and as a generator of singlet oxygen when exposed to laser energy. See: McKinnon, J. , Expt. Med., 164, 1864, (1986) and Gamble and Vadas, Science, 242, 97, (1988).
What is the quantum yield of Rose bengal, Product 330000?
According to the literature, the quantum yield of Rose bengal is 0.11. See: Seybold, P.G., et al., Calorimetric, photometric and lifetime determinations of fluorescence yields of fluorescein dyes, Photochem. Photobiol., 9, 229-242 (1969).
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