Product Description
Bromothymol blue is a pH indicator. It is mostly used in applications that require measuring substances that would have a relatively neutral pH (near 7). A common use is for measuring the presence of carbonic acid in a liquid. It is typically sold in solid form as the sodium salt of the acid indicator.
Bromothymol Blue Indicator Specifications:
- IUPAC name: 4,4-(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-bromo-6-isopropyl-3-methylphenol)
- CAS Number: 76-59-5
- Chemical formula: C27H28Br2O5S
- Molar mass: 624.38 gmol1
- Density: 1.25 g/cm3
- Melting point: 202 C (396 F; 475 K)
- Solubility in water: Sparingly soluble in water
- Acidity (pKa): 7.0