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40-2031

Sigma-Aldrich

Phenolphthalein solution

0.04 % (w/v), pH 7.8-10.0

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About This Item

Empirical Formula (Hill Notation):
C20H14O4
CAS Number:
77-09-8
Molecular Weight:
318.32
Beilstein:
284423
MDL number:
MFCD00005913
UNSPSC Code:
12352005
PubChem Substance ID:
329755952

form

liquid

availability

available only in Japan

concentration

0.04 % (w/v)

pH

7.8-10.0

SMILES string

Oc1ccc(cc1)C2(OC(=O)c3ccccc23)c4ccc(O)cc4

InChI

1S/C20H14O4/c21-15-9-5-13(6-10-15)20(14-7-11-16(22)12-8-14)18-4-2-1-3-17(18)19(23)24-20/h1-12,21-22H

InChI key

KJFMBFZCATUALV-UHFFFAOYSA-N

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Suitability

pH indicator

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

84.2 °F

Flash Point(C)

29 °C

Certificates of Analysis (COA)

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Edward Bormashenko et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 10(4), 654-656 (2009-01-30)
The mechanisms of floating and sliding of liquid marbles are studied. Liquid marbles containing CaCl(2) and marbles containing NaOH water solutions float on water containing Na(2)CO(3) and an alcoholic solution of phenolphthalein with no chemical reaction. Sliding of liquid marbles
J Vaysse et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 27(7), 903-916 (2010-05-04)
Twenty herbal medicines or dietary supplements marketed as natural slimming products were analysed by diffusion ordered spectroscopy (DOSY) 1H-nuclear magnetic resonance (NMR) and DOSY-COSY 1H-NMR. The method allows analysis of the whole sample with the detection of both active and
Wasin Wongwilai et al.
Talanta, 81(3), 1137-1141 (2010-03-20)
A modification of a webcam camera for use as a small and low cost detector was demonstrated with a simple lab-on-chip reactor. Real time continuous monitoring of the reaction zone could be done. Acid-base neutralization with phenolphthalein indicator was used
Nantao Hu et al.
Journal of nanoscience and nanotechnology, 12(1), 99-104 (2012-04-25)
Recently, much work has focused on the exfoliation of graphene through a combination of oxidation and sonication procedures, followed by reduction through chemical methods. We demonstrated that the individual graphene oxide sheets can be readily reduced by using phenolphthalin as
Pieter A Cohen et al.
Journal of general internal medicine, 27(1), 51-56 (2011-08-17)
Pai You Guo is a weight loss supplement manufactured in China and adulterated with the banned pharmaceutical products sibutramine and phenolphthalein. The US Food and Drug Administration (FDA) announced a voluntary recall of Pai You Guo in 2009, yet clinicians
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