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MilliporeSigma

30-2290

Thymolphthalein

JIS special grade

Synonym(s):

5′,5′′-Diisopropyl-2′,2′′-dimethylphenolphthalein

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About This Item

Empirical Formula (Hill Notation):
C28H30O4
CAS Number:
Molecular Weight:
430.54
Beilstein/REAXYS Number:
359413
MDL number:
UNSPSC Code:
12171502
PubChem Substance ID:

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grade

JIS special grade

form

solid

availability

available only in Japan

mp

251-253 °C (lit.)

SMILES string

CC(C)c1cc(c(C)cc1O)C2(OC(=O)c3ccccc23)c4cc(C(C)C)c(O)cc4C

InChI

1S/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3

InChI key

LDKDGDIWEUUXSH-UHFFFAOYSA-N

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1 of 4

This Item
89360114553906921
grade

JIS special grade

grade

ACS reagent, indicator (pH 8.8-10.5)

grade

ACS reagent

grade

-

form

solid

form

solid

form

solid

form

solid

mp

251-253 °C (lit.)

mp

248-254 °C, 251-253 °C (lit.)

mp

251-253 °C (lit.)

mp

-

availability

available only in Japan

availability

-

availability

-

availability

-

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Ali Babaei et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 22(7), 955-959 (2006-07-14)
A novel, sensitive and selective adsorptive stripping procedure for simultaneous determination of copper, bismuth and lead is presented. The method is based on the adsorptive accumulation of thymolphthalexone (TPN) complexes of these elements onto a hanging mercury drop electrode, followed
Y Tsuda et al.
The Japanese journal of antibiotics, 46(1), 1-7 (1993-01-01)
We presented a new colorimetric bioassay of aminoglycoside antibiotics, which were represented by netilmicin (NTL) in this study, based on the discoloration of thymolphthalein (TP) in paper (indicator-disc) by carbon dioxide produced by Bacillus subtilis. To evaluate the amount of
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.
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
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

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