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16019

Sigma-Aldrich

Phenolphthalein

puriss., meets analytical specification of Ph Eur., BP, 98-101% (calc. to the dried substance)

Synonym(s):

3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone

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About This Item

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:
57647542

grade

puriss.

Assay

98-101% (calc. to the dried substance)

form

solid

quality

meets analytical specification of Ph Eur., BP

impurities

acidic and alkalic reac. substances, in accordance
 related subst., in accordance
 residual solvents, complies
≤0.001% heavy metals (as Pb)

ign. residue

≤0.1% (as SO4)

loss

≤0.5% loss on drying, 105 °C

mp

261-263 °C (lit.)

solubility

acetone: soluble

anion traces

chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤200 mg/kg

suitability

in accordance for appearance of solution

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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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

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XVII (Restriction List)

CAS No.

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Certificates of Analysis (COA)

Lot/Batch Number
BCBV3688
BCBT1230
BCBQ2538V
BCBL7291V
BCBJ3777V

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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
Stefano Mangani et al.
Journal of medicinal chemistry, 54(15), 5454-5467 (2011-06-24)
To identify specific bacterial thymidylate synthase (TS) inhibitors, we exploited phenolphthalein (PTH), which inhibits both bacterial and human enzymes. The X-ray crystal structure of Lactobacillus casei TS (LcTS) that binds PTH showed multiple binding modes of the inhibitor, which prevented
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
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