Azul de bromotimol sal sódica in ACS Reagent grade water, Sigma-Aldrich®

Proveedor: SIGMA ALDRICH MICROSCOPY

Sinónimos: α-(3-Bromo-5-isopropil-4-oxo-2-metil-2,5-ciclohexadienilideno)-2-(3-bromo-4-hidroxi-5-isopropil-2-metilfenil)toluenosulfonato de sodio

M-Clarity™ quality level = MQ200

114421-25G 114421-5G
114421-25GEA 123 EUR
114421-25G 114421-5G
Azul de bromotimol sal sódica in ACS Reagent grade water, Sigma-Aldrich®
Azul de bromotimol sal sódica

Bromothymol blue has been used for freshwater pH measurements over a broad range of buffer intensities.


  • pH-indicator
  • Used for carbonic anhydrase assay due to the conversion of carbon dioxide to bicarbonate
  • Used as a diagnostic assay manufacturing, hematology, histology

Formula: C₂₇H₂₇Br₂NaO₅S
MW: 646,37 g/mol
Pto. de fusión: >200 °C
Temperatura de almacenaje: Ambiente
Número MDL: MFCD00077263
Núm. CAS: 34722-90-2
EINECS: 252-169-7
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Resultados test especificaciones

Appearance (Form) Powder or Crystals
Infrared spectrum Conforms to Structure
Wavelength c = 0.005 g/L; 0.1 N NaOH 614 - 618 nm
Extinction Coefficient ≥13000
Wavelength 305 - 309 nm
Visual Transition Interval Yellow to Yellow-Green (pH 6.0) Pass
Visual Transition Interval Green (pH 6.7) Pass
Visual Transition Interval Blue (pH 7.6) Pass
Clarity of Solution, c = 0.1%; Water, Clear with only a faint trace of turbidity or insoluble matter Clear to Very Slightly Hazy

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