Skip to Content
MilliporeSigma

Skip To

319236

Phenolphthalein solution

0.5 wt. % in ethanol: water (1:1)

Synonym(s):

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

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View
Size/SKUAvailabilityPrice
100 mL
Please contact Customer Service for Availability
$36.50

About This Item

Empirical Formula (Hill Notation):
C20H14O4
CAS Number:
Molecular Weight:
318.32
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
284423

$36.50


Please contact Customer Service for Availability

​
Request a Custom Order
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


form

liquid

Quality Segment

concentration

0.5 wt. % in ethanol: water (1:1)

technique(s)

titration: suitable

color

colorless

visual transition interval

8.0-10, colorless to red

mp

-35 °C

density

0.918 g/mL at 25 °C

λmax

552 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

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

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.
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.

Application

Phenolphthalein solution has been used to measure total titratable acids by titration method.

Compare Similar Items

View Full Comparison

Show Differences

1 of 1

This Item
105945
description

0.5 wt. % in ethanol: water (1:1)

description

ACS reagent

technique(s)

titration: suitable

technique(s)

titration: suitable

concentration

0.5 wt. % in ethanol: water (1:1)

concentration

-

color

colorless

color

-

form

liquid

form

powder

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

storage temp.

room temp


Still not finding the right product?

Explore all of our products under Phenolphthalein solution


Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Codes

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3

Storage Class

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

75.2 °F - closed cup

Flash Point (°C)

24 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter



Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

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

Visit the Document Library



Questions

Reviews

No rating value

Active Filters