Methyl red

Methyl red is a pH-sensitive acid-base indicator and colorimetric reagent with a pKa of 5.1. Methyl red achieves visual judgment of the titration endpoint through reversible structural changes of protonation (red, pH 6.2) . Methyl red is widely used in acid-base titration in chemical analysis and buffer pH monitoring in biochemistry[1][2].

Product Specifications

CAS Number

[493-52-7]

UNSPSC

12352200

Hazard Statement

H225, H319, H371

Target

Fluorescent Dye

Type

Biochemical Assay Reagents

Related Pathways

Others

Field of Research

Others

Assay Protocol

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

Purity

98.67

Solubility

DMSO : 70 mg/mL (ultrasonic)

Smiles

O=C(C1=C(/N=N/C2=CC=C(N(C)C)C=C2)C=CC=C1)O

Molecular Formula

C15H15N3O2

Molecular Weight

269.30

Precautions

H225, H319, H371

References & Citations

[1]Ikram M, et al. Biodegradation of Azo Dye Methyl Red by Pseudomonas aeruginosa: Optimization of Process Conditions. Int J Environ Res Public Health. 2022 Aug 12;19 (16) :9962.|[2]Kasai, et al. Menthol induces surgical anesthesia and rapid movement in fishes. Open Neuroscience Journal 8 (2014) : 1-8.