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Merck
CN

861367

Thymol Blue sodium salt

ACS reagent, Dye content 95 %

Synonym(s):

Thymolsulfonphthalein sodium salt

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About This Item

Empirical Formula (Hill Notation):
C27H29NaO5S
CAS Number:
Molecular Weight:
488.57
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
263-650-6
Beilstein/REAXYS Number:
3861515
MDL number:
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grade

ACS reagent

Quality Level

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



Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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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
Shangjie Xu et al.
Macromolecular bioscience, 7(8), 968-974 (2007-08-01)
A simple general synthetic concept to build dendritic core-shell architectures with pH-labile linkers based on hyperbranched PEI cores and biocompatible PEG shells is presented. Using these dendritic core-shell architectures as nanocarriers, the encapsulation and transport of polar dyes of different



Global Trade Item Number

SKUGTIN
861367-5G04061833040331
861367-25G04061833040324