Skip to Content
Merck
CN
All Photos(1)

Documents

33518

Sigma-Aldrich

Phenolphthalein

ACS reagent, reag. Ph. Eur., indicator, 98-102% (calc. to the dried substance), S. No.: 879

Sign Into View Organizational & Contract Pricing
All Photos(1)
Synonym(s):
3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone
Empirical Formula (Hill Notation):
C20H14O4
CAS Number:
77-09-8
Molecular Weight:
318.32
Colour Index Number:
764
Beilstein:
284423
EC Number:
201-004-7
MDL number:
MFCD00005913
UNSPSC Code:
12171500
PubChem Substance ID:
57648858

grade

ACS reagent
indicator

Agency

reag. Ph. Eur.

Assay

98-102% (calc. to the dried substance)

technique(s)

titration: suitable

impurities

≤0.001% heavy metals (as Pb)
≤0.1% sulfated ash

loss

≤1% loss on drying, 105 °C

color

S. No.: 879

mp

261-263 °C (lit.)

solubility

acetone: soluble

suitability

passes test for change
passes test for indicator
passes test for test of sensitivity

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

Looking for similar products? Visit Product Comparison Guide

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Statements

H315,H341,H350,H361f

Hazard Classifications

Carc. 1B - Muta. 2 - Repr. 2 - Skin Irrit. 2

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Tamer Uyar et al.
ACS nano, 4(9), 5121-5130 (2010-08-20)
Electrospinning has been used to successfully create polystyrene (PS) nanofibers containing either of three different types of cyclodextrin (CD); α-CD, β-CD, and γ-CD. These three CDs are chosen because they have different sized cavities that potentially allow for selective inclusion
Ping Chen et al.
ACS nano, 5(7), 5928-5935 (2011-06-15)
In this paper, we report the fabrication of carbonaceous nanofiber (CNF) membranes functionalized by beta-cyclodextrins (CNF-β-CD membrane) and their application for molecular filtration. The chemically synthesized carbonaceous nanofibers were first functionalized by β-CD, and the free-standing CNF membrane can be
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
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
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
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service