Research Article
Facile Controlling of the Physical Properties of Zinc Oxide and Its Application to Enhanced Photocatalysis
Table 1
The basic characteristics of tartrazine and caffeine.
| Chemical | Tartrazine | Caffeine |
| Chemical formula | C16H9N4Na3O9S2 | C8H10N4O2 | Chemical class | Azo dye | Methylxanthine alkaloid | Molecular weight (g/mol) | 534.4 | 194.19 | Color | Yellow | Colorless | λmax (nm) | 428 | 273 | C.I. number | 19140 | — | Nature | Anion dye | — | Molecular structure | | |
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