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76-59-5 - Bromothymol Blue - Bromthymol Blue - A17746 - Alfa Aesar

A17746 Bromothymol Blue

CAS-Nummer
76-59-5
Synonyme
Bromthymol Blue

Größe Preis ($) Menge Verfügbarkeit
10g 29,66
50g 114,33
250g 363,60
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Bromothymol Blue

MDL
MFCD00005872
EINECS
200-971-2

Chemische Eigenschaften

Formel
C27H28Br2O5S
Molmasse
624.39
Schmelzpunkt
200-202°
Löslichkeit
Soluble in ethanol, ether and alkalis. Slightly soluble in water.

Anwendungen

Bromothymol Blue is a pH indicator used for measuring pH around 7 in pools and fish tanks. It operates in the pH range 6.0 to 7.6 due to the presence of an electron withdrawing and donating groups like bromine atoms and alkyl substitutents respectively. In the laboratory, it is used as a biological slide stain as well as used in obstetrics for detecting premature rupture of membranes. Further, it is used for the observation of photosynthetic activities and a respiratory indicator. In addition to this, it is used to define cell walls or nuclei under the microscope.

Bemerkungen

Incompatible with strong oxidizing agents.

Literaturverweise

Acid-base indicator: pH 6.0 - 7.6.

Suwantarat, N.; Watkins, T.; Lee, R.; Carroll, K. C.; Zhang, S. X. False-positive reaction of L-canavanine glycine bromothymol blue medium with Candida famata. J. Clin. Microbiol. 2014, 52 (4), 1308-1309.

El-Nahhal, I. M.; Zourab, S. M.; Kodeh, F. S.; Abdelsalam, F. H. Sol-gel encapsulation of bromothymol blue pH indicator in presence of Gemini 12-2-12 surfactant. J. Sol-Gel Sci. Technol. 2014, 71 (1), 16-23.

Weitere Referenzen

Merck
14,1445
Beilstein
373934
Harmonized Tariff Code
2914.70
TSCA
Yes
RTECS
SJ7450000

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