Bromothymol Blue, ACS reagent, Dye content 95 %

Code: 114413-25G D2-231

Application

Bromothymol blue dye serves as a pH indicator because of the precise color transition at neutrality. Other applications include: as a vital stain to trace the m...


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€216.00 25G
€265.68 inc. VAT

Application

Bromothymol blue dye serves as a pH indicator because of the precise color transition at neutrality. Other applications include: as a vital stain to trace the movement of fluids from the lymph and to define cell walls or nuclei under the microscope for the demonstration of fungal hyphae within plant roots in the assessment of the soluble acidity within single rice grains use in an agar gel medium for enumeration of Bacillus cereus as a component of several bacterial growth and detection substrates such as cystine lactose electrolyte deficient (CLED/BROLACIN); polymyxin pyruvate egg yolk mannitol bromothymol blue (PEMBA) and MacConkey agar.

General description

Bromothymol Blue is a sulfonated hydroxyquinone in acidic aqueous solutions. In alkaline solutions, this dye is present as a moderately sized dianion. It is also known as bromthymol blue and dibromothymolsulfonphthalein.

Packaging

5, 25 g in glass bottle

ε (extinction coefficient)≥17000 at 419-425 nm in methanol, ≥9000 at 279-285 nm in methanol, ≥8000 at 326-332 nm in methanol
λmax420 nm
compositionDye content, 95%
formpowder
gradeACS reagent
InChI keyNUHCTOLBWMJMLX-UHFFFAOYSA-N
InChI1S/C27H28Br2O5S/c1-13(2)17-11-20(15(5)23(28)25(17)30)27(19-9-7-8-10-22(19)35(32,33)34-27)21-12-18(14(3)4)26(31)24(29)16(21)6/h7-14,30-31H,1-6H3
mp200-202 °C (lit.)
Quality Level200
SMILES stringCC(C)c1cc(c(C)c(Br)c1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C(C)C)c(O)c(Br)c4C
visual transition interval6.0-7.6, yellow to blue(passes test)
Cas Number76-59-5
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