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Merck
CN

34656

Bromothymol Blue

pkg of 200 mL

Synonym(s):

3′,3″-Dibromothymolsulfonphthalein

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About This Item

Empirical Formula (Hill Notation):
C27H28Br2O5S
CAS Number:
Molecular Weight:
624.38
PubChem Substance ID:
UNSPSC Code:
41121809
Beilstein/REAXYS Number:
373934
MDL number:
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SMILES string

CC(C)c1cc(c(C)c(Br)c1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C(C)C)c(O)c(Br)c4C

InChI key

NUHCTOLBWMJMLX-UHFFFAOYSA-N

InChI

1S/C27H28Br2O5S/c1-13(2)17-11-20(15(5)23(28)25(17)30)27(19-9-7-8-10-22(19)35(32,33)34-27)21-12-18(14(3)4)26(31)24(29)16(21)6/h7-14,30-31H,1-6H3

description

Bromothymol Blue reagent

usage

the detection of L/S ratio lipids

packaging

pkg of 200 mL

mp

200-202 °C (lit.)

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General description

Bromothymol blue is a pH indicator which is sparingly soluble in water, benzene but is soluble in ethanol. It is insoluble in petroleum ether. It has its major uses in Sol-gel matrix, fuel cells, optical sensors, combustion gas detection system. It is considered as a toxic reagent.

Application

Bromothymol blue may be used to adjust pH between 7 and 8 of the sample during a gas chromatographic analysis to estimate urinary oxalate.

pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Repr. 1B

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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R. W. Sabnis
Handbook of Acid-Base Indicators, 54-54 (2007)
Sevgi Tatar Ulu
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 67(3-4), 778-783 (2006-10-13)
A simple, rapid, accurate, precise and sensitive colorimetric method for the determination of finasteride in tablets is described. The proposed methods are based on the formation of ion-pair complexes between the examined drug with bromophenol blue (BPB), bromocresol green (BCG)
C J Farrington et al.
Clinical chemistry, 25(12), 1993-1996 (1979-12-01)
We describe a simple, specific gas-chromatographic method for urinary oxalate. Its specificity was evaluated by precipitating the oxalate as its calcium salt from urine, followed by methylation of the oxalate with boron trifluoride/methanol and subsequent gas-chromatographic separation and quantitation of
Kristina Jurcic et al.
Journal of chromatography. A, 1134(1-2), 317-325 (2006-10-07)
An effective sample preconcentration technique for proteins and peptides was recently developed using capillary electrophoresis (CE) with discontinuous buffers [C.A. Nesbitt, J.T.-M. Lo, K.K.-C. Yeung, J. Chromatogr. A 1073 (2005) 175]. Two buffers of different pH created a junction to
K R Klein et al.
Journal of clinical microbiology, 47(11), 3669-3672 (2009-10-02)
Cryptococcus neoformans and Cryptococcus gattii are closely related pathogenic fungi. Cryptococcus neoformans is ecologically widespread and affects primarily immunocompromised patients, while C. gattii is traditionally found in tropical climates and has been reported to cause disease in immunocompetent patients. l-Canavanine

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