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Phloxine B

SIAL/P2759 - antibacterial fluorescent dye

Synonym: 2′,4′,5′,7′-Tetrabromo-4,5,6,7-tetrachlorofluorescein disodium salt; Acid Red 92; Cyanosine; D&C;Red No. 28; Eosin 10B

CAS Number: 18472-87-2
Empirical Formula (Hill Notation): C20H2Br4Cl4Na2O5
Molecular Weight: 829.63
EC Number: 242-355-6
MDL Number: MFCD00070627
Linear Formula: C20H2Br4Cl4Na2O5
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-P2759-25G 25 g
 $218.00
1/EA		 Add To Favorites
45-P2759-100G 100 g
 $708.00
1/EA		 Add To Favorites
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: P2759-100G
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: P2759-25G

 

εmax 1150-1300 at 546-550 nm in 50% ethanol
application(s) diagnostic assay manufacturing
hematology
histology
color dark red
form powder
InChI 1S/C20H4Br4Cl4O5.2Na/c21-5-1-3-17(9(23)15(5)29)32-18-4(2-6(22)16(30)10(18)24)20(3)8-7(19(31)33-20)11(25)13(27)14(28)12(8)26;;/h1-2,29-30H;;/q;2*+1/p-2
InChI key OOYIOIOOWUGAHD-UHFFFAOYSA-L
Quality Level 200 
SMILES string [Na+].[Na+].[O-]c1c(Br)cc2c(Oc3c(Br)c([O-])c(Br)cc3C24OC(=O)c5c(Cl)c(Cl)c(Cl)c(Cl)c45)c1Br
solubility water: 1 mg/mL, clear, red
storage temp. room temp
Application: Phloxine B has been used to trace the uptake of double stranded RNA by green peach aphids. It has also been used to stain yeast strains.
Biochem/physiol Actions: Phloxine B has been demonstrated as an alternative to Gram staining. It was found to inhibit the growth of methicillin-resistant Staphylococcus aureus. Phloxine B stimulated and inhibited the channel activity of wild-type cystic fibrosis transmembrane conductance regulator (CFTR). It has antibacterial properties. Phloxine B staining can be used to distinguish between gram-positive and gram-negative bacteria.
Packaging: 25, 100 g in glass bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 2
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Storage Temp. room temp
Colour Index Number 45410
UNSPSC 12171500

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