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
Beilstein/REAXYS Number:
3861515
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47
Recommended Products
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
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Related Categories
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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Yong-Doo Park et al.
Journal of protein chemistry, 22(5), 473-480 (2003-12-24)
Sensitive assay methods for tyrosinase are essential not only for the understanding the process of pigment production but also for the development of effective inhibitors of tyrosinase. To develop an efficient assay method, we applied thymol blue to reaction mixtures.
J G Eley et al.
The Journal of pharmacy and pharmacology, 41(12), 858-860 (1989-12-01)
The interaction of low density lipoprotein (LDL) with two model dyes in the presence or absence of non-ionic surfactants has been studied. The water soluble dye, thymol blue, only weakly interacts with LDL to cause slight increases in particle size
Naoki Hirayama et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 28(6), 541-543 (2012-06-26)
The use of a hydrophilic ionic liquid (IL), 1-butyl-3-methylimidazolium chloride (C(4)mimCl), as a salting-out phase separation agent to a water-tetrahydrofuran homogeneous system was studied for possible applications to novel aqueous biphasic extraction separation. The IL showed a salting-out phase-separation ability.
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
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
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