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Phenolphthalein solution

SIAL/319236 - 0.5 wt. % in ethanol: water (1:1)

Synonym: C20H14O4; Phthalin;3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one

CAS Number: 77-09-8
Empirical Formula (Hill Notation): C20H14O4
Molecular Weight: 318.32
MDL Number: MFCD00005913
Linear Formula: C20H14O4
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-319236-100ML 100 mL
 $28.70
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 319236-100ML.

 

λmax 552 nm
application(s) diagnostic assay manufacturing
hematology
histology
color colorless
concentration 0.5 wt. % in ethanol: water (1:1)
density 0.918 g/mL at 25 °C
form liquid
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
mp -35 °C
Quality Level 200 
SMILES string Oc1ccc(cc1)C2(OC(=O)c3ccccc23)c4ccc(O)cc4
storage temp. room temp
visual transition interval 8.0-10, colorless to red
Application: Phenolphthalein solution has been used to measure total titratable acids by titration method.
General description: Phenolphthalein is an acid base indicator. It is a weak acid, which is colorless in acidic solution and turns puce pink in alkaline solution. Phenolphthalein is genotoxic. It might cause oxidative damage and binds to estrogen receptors.
General description: Phenolphthalein solution is a synthetic indicator. It is colorless in acidic and neutral conditions. Phenolphthalein gives pink color when added to a base, therefore it is considered as a base indicator.
Packaging: 100 mL in glass bottle
mp -35 °C
Density 0.918 g/mL at 25 °C
Storage Temp. room temp
UNSPSC 12171500

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