CAS:76-59-5
Molecular Formula:C27H28Br2O5S
Molecular Weight:624.38
EINECS:200-971-2
Synonyms:BromothymolBlueIndicatorGr; BromothymolBlue,ACS; BROMOTHYMOL BLUE SOLUTION; BROMOTHYMOL BLUE SULTONE FORM; BROMOTHYMOL BLUE INDICATOR; BROMOTHYMOL BLUE (BTB); Bromothymol Blue, indicator, pure; BROMOTHYMOLBLUE,REAGENT,ACS
Bromothymol Blue CAS 76-59-5 is a colorless or light rose crystalline powder, easily soluble in alcohols, dilute alkali solutions, and ammonia water, slightly soluble in water, and insoluble in petroleum ether. It is yellow when it encounters acidity and blue when it is alkaline.
| Item | Specification |
| λmax | 420nm, 435nm, 620nm |
| Density | 1.4668 (estimate) |
| Melting point | 200-202 °C (lit.) |
| flash point | 38 °C |
| pKa | 7.0, 7.1(at 25℃) |
| PH | 6.0～7.6 |
Bromothymol Blue is a pH indicator for weak acids and weak bases, used as an acid-base indicator and chromatographic reagent in analytical chemistry; It can also be used as a dye and metabolic product.
Usually packed in 25kg/drum,and also can be do customized package.
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