Tetrabromophénol bleu, colorant 85 %

Code: 199311-1G D2-231

Non disponible en dehors du Royaume-Uni et de l'Irlande

Biochem/physiol Actions

Tetrabromophenol Blue (TBPB) belongs to the group of sulfonephthalein acid-base indicators. It is employed in the potentiometric titration of the halo...


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$58.69 1G
Abandonné

Non disponible en dehors du Royaume-Uni et de l'Irlande

Biochem/physiol Actions

Tetrabromophenol Blue (TBPB) belongs to the group of sulfonephthalein acid-base indicators. It is employed in the potentiometric titration of the halogens with Hg2(NO3)2. In addition, it has been used as a dye indicator in urine dipstick test to detect proteinuria. In this assay, with increasing concentration of urinary protein, TBPB sequentially changes color from pale green to blue. Binding of TBPB to proteins is dependent on pH.

Packaging

1, 5 g in glass bottle

ε (extinction coefficient)≥55000 at 606-616 nm in ethanol and water
λmax605 nm, 388 nm (2nd)
application(s)diagnostic assay manufacturinghematologyhistology
compositionDye content, 75%
formpowder
InChI keyQPMIVFWZGPTDPN-UHFFFAOYSA-N
InChI1S/C19H6Br8O5S/c20-7-1-5(2-8(21)16(7)28)19(6-3-9(22)17(29)10(23)4-6)11-12(24)13(25)14(26)15(27)18(11)33(30,31)32-19/h1-4,28-29H
mp204 °C (dec.) (lit.)
Quality Level200
SMILES stringOc1c(Br)cc(cc1Br)C2(OS(=O)(=O)c3c(Br)c(Br)c(Br)c(Br)c23)c4cc(Br)c(O)c(Br)c4
storage temp.room temp
Cas Number4430-25-5
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