Also known as 2,4-dichlorophenoxyacetic acid, commonly known as 2,4-D or 2,4-D. Plant growth regulators and herbicides. Pure 2,4-D is white odorless crystal, insoluble in water but easily soluble in organic solvents.
physical properties
Names | |
Appearance | white to yellow powder |
Melting point | 140.5 °C (284.9 °F; 413.6 K) |
Boiling point | 160 °C (320 °F; 433 K) 0.4 mm Hg |
Solubility in water | 900 mg/L |
Process Method In one word
Using phenol as raw material, it can be condensed with chloroacetic acid and then chlorinated, or chlorinated and then condensed with chloroacetic acid to obtain the product. It was extracted with benzene while hot, and the organic layer was separated. After cooling, white crystals are precipitated, and the finished product is obtained by suction filtration and drying.
