Sigma-Aldrich Bromothymol Blue sodium salt

grade

ACS reagent

Quality Level

200

form

crystalline powder
powder or crystals

technique(s)

titration: suitable

visual transition interval

6.0-7.6, yellow to blue

solubility

water: 0.1%, clear to very slightly hazy

λ_max

392 nm
615 nm

ε (extinction coefficient)

≥35000 at 614-618 nm in 0.1 M NaOH at 0.005 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

SMILES string

CC1=C(C=C(C(=C1Br)O)C(C)C)C(=C2C=C(C(=O)C(=C2C)Br)C(C)C)C3=CC=CC=C3S(=O)(=O)[O-].[Na+]
[Na+].CC(C)c1cc(c(C)c(Br)c1O)C(=C2\C=C(C(C)C)C(=O)C(Br)=C2C)\c3ccccc3S([O-])(=O)=O