City Chemical manufactures high purity Humic Acid, CAS 1415-93-6 in bulk quantity. Humic Acid (1415-93-6) is the organic substances that coagulate when the strong-base extract is acidified while fulvic acids are the organic substances that remain soluble when the strong-base extract is acidified.

Mainly found in soil and water, Humic Acid is a heterogeneous macromolecule. Used as a soil supplement in agriculture, it is used to increase the growth and cultivation of crops, turf, citrus, and flowers. It is also used to increase the strength of soils that are organically deficient.