Bromothymol blue sodium salt, powder, Sigma-Aldrich®

Supplier: SIGMA-ALDRICH MICROSCOPY

Synonyms: Sodium α-(3-bromo-5-isopropyl-4-oxo-2-methyl-2,5-cyclohexadienylidene)-2-(3-bromo-4-hydroxy-5-isopropyl-2-methylphenyl)toluenesulphonate, Bromothymol blue water soluble, Sodium 2-bromo-4-(3-(3-bromo-4-hydroxy-5-isopropyl-2-methylphenyl)-1,1-dioxido-3H-benzo[c][1,2]oxathiol-3-yl)-6-isopropyl-3-methylphenolate

M-Clarity™ quality level = MQ200

B8630-10G B8630-25G
B8630-10GEA 48 GBP
B8630-10G B8630-25G
Bromothymol blue sodium salt, powder, Sigma-Aldrich®
Bromothymol blue sodium salt

Bromothymol Blue sodium salt has been used as a pH indicator in the yeast growth media (YPD, yeast extract peptone dextrose).


  • Bromothymol Blue is a pH indicator which changes color from yellow (pH 6.0) to blue (7.6)

Formula: C₂₇H₂₇Br₂NaO₅S
MW: 646,37 g/mol
Melting Pt: >200 °C
Storage Temperature: Room Temperature
MDL Number: MFCD00077263
CAS Number: 34722-90-2
EINECS: 252-169-7
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Specification Test Results

Appearance (Form) Powder
Infrared spectrum Conforms to Structure
Visual Interval
pH 6.0 = Yellow to Yellow-Green
Pass
Visual Interval
pH 7.6 = Blue
Pass
Recommended Retest Period 2 Years

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