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40-1002

Sigma-Aldrich

Thymol blue solution

pH 1.2-2.8, pH 8.0-9.6

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About This Item

Empirical Formula (Hill Notation):
C27H30O5S
CAS Number:
76-61-9
Molecular Weight:
466.59
Beilstein:
368036
MDL number:
MFCD00005869
UNSPSC Code:
12171502
PubChem Substance ID:
329755848
Pricing and availability is not currently available.

form

liquid

availability

available only in Japan

pH

1.2-2.8
8.0-9.6

SMILES string

CC(C)c1cc(c(C)cc1O)C(=C2\C=C(C(C)C)C(=O)C=C2C)\c3ccccc3S(O)(=O)=O

InChI

1S/C27H30O5S/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

InChI key

PRZSXZWFJHEZBJ-UHFFFAOYSA-N

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Suitability

for titration

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H225

Hazard Classifications

Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

72.5 °F

Flash Point(C)

22.5 °C

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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
S Passamonti et al.
Biochimica et biophysica acta, 943(2), 119-125 (1988-08-18)
Sulfobromophthalein electrogenic uptake into rat liver plasma membrane vesicles was shown to admit only the quinoid, trivalent anion. The minimum requirement for this electrogenic process has been investigated in rat liver plasma membrane vesicles by using Thymol blue, a pH-indicator
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
P Balderas-Hernández et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 60(3), 569-577 (2004-01-30)
The detailed analysis of the experimental spectrophotometric data obtained from solutions containing the acid-base indicator thymol blue (TB) and mercury(II) (Hg(II)) coupled with data processing by means of the SQUAD program, a chemical model was determined that includes the formation
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