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114537

Phenol Red sodium salt

ACS reagent, Dye content 90 %

Synonym(s):

Phenolsulfonephthalein sodium salt

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5 g
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$37.50
25 g
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$128.00

About This Item

Empirical Formula (Hill Notation):
C19H13NaO5S
CAS Number:
Molecular Weight:
376.36
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
252-057-8
Beilstein/REAXYS Number:
6260026
MDL number:

$37.50


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grade

ACS reagent

Quality Segment

form

powder or crystals

composition

Dye content, 90%

clarity of soln

passes test

technique(s)

titration: suitable

color

red to very dark red

visual transition interval

6.8-8.2, yellow to red

mp

285 °C (dec.) (lit.)

λmax

423 nm

ε (extinction coefficient)

≥19000 at 422-426 nm in methanol, ≥900 at 256-269 nm in methanol

storage temp.

room temp

SMILES string

[Na+].Oc1ccc(cc1)C2(OS(=O)(=O)c3ccccc23)c4ccc([O-])cc4

InChI

1S/C19H14O5S.Na/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19;/h1-12,20-21H;/q;+1/p-1

InChI key

HKHYOKBQJILTEI-UHFFFAOYSA-M

Application

Suitable for use as a pH indicator.
Phenol Red has been used for preparation of phosphate buffer saline (PBS)-with phenol red for microfluidic assay for simultaneous culture of multiple cell types. It has also been used for horseradish peroxidase-phenol red (HRP-PR) H2O2 (hydrogen peroxide) detection assay to identify redox cycling compounds.

Biochem/physiol Actions

Phenol Red is a pH indicator which changes color from yellow to red.

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This Item
P4758P5530199524
description

ACS reagent, Dye content 90 %

description

pH indicator dye

description

powder, BioReagent, suitable for cell culture, suitable for insect cell culture

description

indicator grade

technique(s)

titration: suitable

technique(s)

titration: suitable

technique(s)

cell culture | mammalian: suitable, cell culture | insect: suitable

technique(s)

-

grade

ACS reagent

grade

-

grade

-

grade

indicator grade

color

red to very dark red

color

red to brown

color

red to very dark red

color

dark brown

form

powder or crystals

form

powder

form

powder

form

powder, crystals or chunks

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

composition

Dye content, 90%

composition

-

composition

-

composition

-


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Pictograms

Exclamation mark

Signal Word

Warning

Hazard Codes

Hazard Classifications

Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

11 - Combustible Solids

WGK

WGK 3

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves



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Questions

  1. Hi there, could i know how many sodium salt in this powder? THANKS.

    1 answer
    1. This product has only one sodium as part of the molecule - C19H13NaO5S. The sodium content is not measured as a part of the Quality Control testing.

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