Phenol Red

Phenol red (Phenolsulfonephthalein) is a pH indicator dye, relying on a distinct color change from pink to yellow in case of a positive reaction[1] [2].

Product Specifications

CAS Number

[143-74-8]

Product Name Alternative

Phenolsulfonephthalein

UNSPSC

12171500

Hazard Statement

H315, H335

Target

Fluorescent Dye

Type

Dye Reagents

Related Pathways

Others

Field of Research

Others

Assay Protocol

https://www.medchemexpress.com/phenol-red.html

Purity

98.0

Solubility

DMSO : 50 mg/mL (ultrasonic)

Smiles

O=S1(OC(C2=CC=C(O)C=C2)(C3=CC=C(O)C=C3)C4=CC=CC=C41)=O

Molecular Formula

C19H14O5S

Molecular Weight

354.38

Precautions

H315, H335

References & Citations

[1]Morgan A, et al. Caution for the routine use of phenol red - It is more than just a pH indicator. Chem Biol Interact. 2019;310:108739. |[2]Peltzer D, et al. Rapid and simple colorimetric loop-mediated isothermal amplification (LAMP) assay for the detection of Bovine alphaherpesvirus 1. J Virol Methods. 2021;289:114041.