Kothari Phytochemicals International manufactures Paraformaldehyde with pH Value 4.5. Kothari Phytochemicals International offers bulk drugs, phytochemicals, and medicinal plants. The Paraformaldehyde with pH Value 4.5 is manufactured from aqueous Formaldehyde solution by the process involving distillation and concentration to a point at which solidification or precipitation of polymer takes place. The process of concentration is carried out under vacuum by using the process of thin film evaporation.