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Documenti fondamentali

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30-2290

Sigma-Aldrich

Thymolphthalein

JIS special grade

Sinonimo/i:

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

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About This Item

Formula empirica (notazione di Hill):
C28H30O4
Numero CAS:
125-20-2
Peso molecolare:
430.54
Beilstein:
359413
Numero MDL:
MFCD00005909
Codice UNSPSC:
12171502
ID PubChem:
329753351

Grado

JIS special grade

Forma fisica

solid

Disponibilità

available only in Japan

Punto di fusione

251-253 °C (lit.)

Stringa SMILE

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
LDKDGDIWEUUXSH-UHFFFAOYSA-N

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Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

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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
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
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.
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
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