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861367

Sigma-Aldrich

Thymol Blue sodium salt

ACS reagent, Dye content 95 %

Sinónimos:

Thymolsulfonphthalein sodium salt

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About This Item

Fórmula empírica (notación de Hill):
C27H29NaO5S
Número de CAS:
62625-21-2
Peso molecular:
488.57
Beilstein/REAXYS Number:
3861515
EC Number:
263-650-6
MDL number:
MFCD00151093
UNSPSC Code:
12171500
PubChem Substance ID:
24888538
NACRES:
NA.47

grade

ACS reagent

Quality Level

200

form

powder or crystals

composition

Dye content, 95%

clarity of soln

passes test

visual transition interval

1.2-2.8, red to yellow(acid range)
8.0-9.2, yellow to blue(alkaline range)

mp

283-285 °C (dec.) (lit.)

λmax

378 nm (2nd)
590 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].CC(C)c1cc(c(C)cc1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C(C)C)c([O-])cc4C

InChI

1S/C27H30O5S.Na/c1-15(2)19-13-22(17(5)11-24(19)28)27(21-9-7-8-10-26(21)33(30,31)32-27)23-14-20(16(3)4)25(29)12-18(23)6;/h7-16,28-29H,1-6H3;/q;+1/p-1

InChI key

BAVBEHWEOJMHDS-UHFFFAOYSA-M

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Categorías relacionadas

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
SHBQ3241
MKCL3532
MKCF4131
MKBX7879V
MKBR0446V

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Cresol red indicator grade, Dye content 95 %

Sigma-Aldrich

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Bromothymol Blue ACS reagent, Dye content 95 %

Sigma-Aldrich

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Bromothymol Blue

Douglas R Macfarlane et al.
Chemical communications (Cambridge, England), 46(41), 7703-7705 (2010-09-28)
We describe hydrated ionic liquids which have an intrinsic proton buffering action and hence an ability to control proton activity in an ionic medium.
N Takai et al.
Artificial organs, 15(2), 86-89 (1991-04-01)
An optical fiber sensor utilizing Thymol blue and an ion-exchange resin complex in a cellulose acetate membrane was developed. By monitoring several different chromophores of Thymol blue, the sensor could measure the pH of the solution from 1.0 to 12.0
Ali A Ensafi et al.
Journal of hazardous materials, 148(1-2), 319-325 (2007-03-30)
An on-line flow system was used to develop a selective and efficient on-line sorbent extraction preconcentration system for cadmium. The method is based on adsorption of cadmium ions onto the activated carbon modified with methyl thymol blue. Then the adsorbed
N Gayathri et al.
Journal of AOAC International, 84(4), 1065-1069 (2001-08-15)
A simple and sensitive spectrophotometric method was developed for the determination of trace amounts of sulfur dioxide. The method is based on the reaction of SO2 with a known excess of ICI as the oxidant. The unreacted ICI iodinates thymol
P Balderas-Hernández et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 66(1), 68-73 (2006-07-11)
This paper presents the results concerning the determination of the formation constants of the complexes between thymol blue, TB, and the metal ions Pb(II) or Cd(II). The experimental procedure was carried out in the presence of a nitrogen atmosphere at
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