... and best service 3.Professional supplier 2,4D Acid 98%TCA.I. Content,%(m/m)≥ 96. ... Amine salt content, g/L≥ 7202,4-D Acid content, g/L≥600Free phenol, %≤ 0.5Specific ... /l (30 ºC). Stability2,4-D is a strong acid, and forms water-soluble salts with alkali metals ... .73 2.APPLICATIONS BiochemistrySynthetic auxin (acting like indolylacetic acid). Mode of actionSelective systemic herbicide. Salts are readily ...