24-1450
Phenolphthalein
SAJ first grade, ≥97.0%
Synonym(s):
3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone
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About This Item
Empirical Formula (Hill Notation):
C20H14O4
CAS Number:
Molecular Weight:
318.32
EC Number:
201-004-7
PubChem Substance ID:
UNSPSC Code:
12352005
Beilstein/REAXYS Number:
284423
Colour Index Number:
764
MDL number:
grade
SAJ first grade
assay
≥97.0%
form
solid
availability
available only in Japan
mp
261-263 °C (lit.)
solubility
acetone: soluble
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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signalword
Danger
hcodes
Hazard Classifications
Carc. 1B - Muta. 2 - Repr. 2 - Skin Irrit. 2
Storage Class
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
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Fatemeh Narenji-Sani et al.
ACS omega, 5(17), 9999-10010 (2020-05-12)
The catalytic esterification of free fatty acids is an important reaction pathway for chemical synthesis and biodiesel production, wherein efficient heterogeneous catalysts are sought to replace mineral acids. Herein, the esterification of oleic acid together with some familiar fatty acids
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