Furfural [2-Furancarboxaldehyde] is

Furfural [2-Furancarboxaldehyde] is a naturally occurring compound, present in some essential oils and in foods such as bread, baked products, and coffee.
It is prepared industrially by treatment with hot sulfuric acid of pentosans contained in agricultural residues, such as cereal straw, bran, and sugarcane bagasse.
Furfural is a new pesticide active ingredient intended for the use as a fumigant to control root infesting plant parasitic nematodes and fungal plant diseases .
The technical formulation (Furfural Technical) contains 99.7% furfural and is for the use in formulating end-use products and is applied to growing media and/or soils in greenhouses and field.