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Sigma-Aldrich 114359 Bromocresol green ACS reagent, Dye content 95 % CAS No.: 76-60-825 gr
Category
Brand
Stock Code
LB.SA.114359-25G
Kısa Bilgi
Synonym(s): BCG; 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]-3-methylphenol Empirical Formula (Hill Notation): C21H14Br4O5S CAS Number: 76-60-8 Molecular Weight: 698.01 Beilstein: 372527 EC Number: 200-972-8 MDL number: MFCD00005874 PubChem Substance ID: 24847166 NACRES: NA.47
| Sigma-Aldrich 114359 Bromocresol green ACS reagent, Dye content 95 % 25 gr |
| Empirical Formula (Hill Notation): C21H14Br4O5S CAS Number: 76-60-8 Molecular Weight: 698.01 Beilstein: 372527 EC Number: 200-972-8 MDL number: MFCD00005874 PubChem Substance ID: 24847166 NACRES: NA.47 |
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PROPERTIES
grade ACS reagent
Quality Level 200 Assay ≥95% form powder composition Dye content, 95% visual transition interval 3.8-5.4, yellow to blue(passes test) mp 225 °C (dec.) (lit.) λmax 423 nm application(s) diagnostic assay manufacturing, hematology, histology storage temp. room temp SMILES string Cc1c(Br)c(O)c(Br)cc1C2(OS(=O)(=O)c3ccccc23)c4cc(Br)c(O)c(Br)c4C InChI 1S/C21H14Br4O5S/c1-9-12(7-14(22)19(26)17(9)24)21(13-8-15(23)20(27)18(25)10(13)2)11-5-3-4-6-16(11)31(28,29)30-21/h3-8,26-27H,1-2H3 InChI key FRPHFZCDPYBUAU-UHFFFAOYSA-N DESCRIPTION General description Bromocresol Green is a synthetic triphenylmethane dye that is anionic in nature. At pH 3.8-5.4, it changes color from yellow to blue-green, and is therefore, commonly used as a pH indicator.[1] Application Bromocresol green serves as a pH indicator in biology and medicinal experiments. - It is used widely as a vital stain to study blood-brain permeability. - It has been used in the pH-sensitive colorimetric determination of glutamate decarboxylase activity.[2] - It has also been employed in the evaluation of paper-analytical devices for colorimetric analysis of serum samples.[3] - It is used as a tracking dye for DNA agarose gel electrophoresis, in protein determinations, and in charge-transfer complexation processes. - It is used in TLC for the visualization of compounds with functional groups whose pKa is below 5.0. |
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