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03-4290

Sigma-Aldrich

Bromothymol Blue

JIS special grade

Synonym(s):

3′,3″-Dibromothymolsulfonphthalein

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About This Item

Empirical Formula (Hill Notation):
C27H28Br2O5S
CAS Number:
76-59-5
Molecular Weight:
624.38
Beilstein:
373934
EC Number:
200-971-2
MDL number:
MFCD00005872
UNSPSC Code:
12171502
PubChem Substance ID:
329747632

grade

JIS special grade

availability

available only in Japan

mp

200-202 °C (lit.)

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

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

InChI key

NUHCTOLBWMJMLX-UHFFFAOYSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Hisataka Maruyama et al.
Lab on a chip, 8(2), 346-351 (2008-01-31)
This paper demonstrates local pH measurement in a microchip using a pH-sensing gel-microbead. To achieve this, the gel-microbead made of a hydrophilic photo-crosslinkable resin was functionalized with the pH indicator bromothymol blue (BTB). The primary constituent of this photo-crosslinkable resin
Olga A Zaporozhets et al.
Analytica chimica acta, 597(1), 171-177 (2007-07-31)
Solid-phase spectrophotometric and visual test-methods of fluoride and oxalate determination are proposed. The methods are based on the competitive reactions of ZrOCl2 with methylthymol blue immobilized on silica gel and fluoride or oxalate in solution. Absorbance of the solid-phase reagent
Joseph A Price
Journal of biochemical and biophysical methods, 70(3), 441-444 (2006-12-16)
Phospholipase A(2) is an important enzyme in various pathologies. Although fluorescent substrate assays for it have been recently developed, there is a need for an assay with inexpensive commercially available substrates, useful when samples interfered with fluorescent assays, that is
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)
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
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