105945-100G Display Image

Phenolphthalein, ACS reagent

Code: 105945-100G D2-231

Application

Phenolphthalein is widely used as a pH indicator in biology and medicine. Its other applications include in the assay to estimate total acidity in vinegar in ...


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Your Price
£48.00 100G
£57.60 inc. VAT

Application

Phenolphthalein is widely used as a pH indicator in biology and medicine. Its other applications include in the assay to estimate total acidity in vinegar in the assessment of penetration of sodium hydroxide into potatoes following chemical peeling as a model organic compound in the evaluation of the capture efficiency of various cyclodextrin constructs such as nanofiber-CD

Biochem/physiol Actions

Phenolphthalein is colorless in acidic solutions and turns pink in basic solutions.

General description

Phenolphthalein is present as a nonionic, lipophilic lactone in aqueous neutral solutions. It exists as a hydrophilic dianion in alkaline solutions.

Packaging

2.5 kg in poly drum

100, 500 g in poly bottle

λmax552 nm, 374 nm (2nd)
application(s)diagnostic assay manufacturinghematologyhistology
density1.27 g/cm3 at 32 °C
formpowder
gradeACS reagent
InChI keyKJFMBFZCATUALV-UHFFFAOYSA-N
InChI1S/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
mp261-263 °C (lit.)
Quality Level200
SMILES stringOc1ccc(cc1)C2(OC(=O)c3ccccc23)c4ccc(O)cc4
solubilityacetone: soluble
storage temp.room temp
technique(s)titration: suitable
visual transition interval8.0-10, colorless to red
Code
Description
Unit Size
List Price
Qty
105945-2.5KG
Unit:2.5KG
List Price: £423.00
Source:List Price
ADD
105945-500G
Unit:EACH
List Price: £145.00
Source:List Price
ADD
Cas Number77-09-8
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