Table 2 Characteristics of Methylene Blue Dye.

From: Green synthesis of magnesium oxide nanoparticles using Hyphaene thebaica extract and their photocatalytic activities

Chemical structure

Dye type

Abbreviation

Chemical formula

λmax (nm)

Molecular weight (g/mol)

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Cationic

MB

C16H18N3ClS

665

319.85