Thymolphthalein, ACS reagent, Dye content 95 %

Code: 114553-50G D2-231

Application

Thymolphthalein has been used as a pH indicator in [14C] urea breath test to determine when the CO2 trap is full.

General desc...


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Application

Thymolphthalein has been used as a pH indicator in [14C] urea breath test to determine when the CO2 trap is full.

General description

Thymolphthalein (5′, 5′′-Diisopropyl-2′, 2′′-dimethylphenolphthalein) is an acid-base indicator which is colorless in solutions with a pH below 8.5 and blue in solutions with a pH above 9.5. Thymolphthalein has been used as an indicator in periodate-thiosulfate reaction.

Packaging

10, 50 g in poly bottle

λmax592 nm, 396 nm (2nd)
clarity of solnpasses test
compositionDye content, 95%
formsolid
gradeACS reagent
InChI keyLDKDGDIWEUUXSH-UHFFFAOYSA-N
InChI1S/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3
mp251-253 °C (lit.)
Quality Level200
SMILES stringCC(C)c1cc(c(C)cc1O)C2(OC(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C
technique(s)titration: suitable
visual transition interval8.8-10.5, colorless to blue
Cas Number125-20-2
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