Research Article

Brilliant Green and Acid Orange 74 Dyes Removal from Water by Pinus roxburghii Leaves in Naturally Benign Way: An Application of Green Chemistry

Table 1

Properties of BG and AO-74 dye.

PropertiesBG valuesAO-74 values

ClassSynthetic organic dyeSingle azo dye
Molecular formulaC27H34N2O4SC16H12N5NaO7S
Molecular weight482.63 g/mol441.35 g/mol
Maximum absorption625 nm455 nm
SolubilitySoluble in water and alcohol with green colorSoluble in water and ethanol