Chemical Name: 2-[(trichloromethyl)thio]-1H-isoindole-1,3(2H)-dione

Formula: C₉H₄Cl₃NO₂S

Molecular Weight: 296.6

CAS No.: 133-07-3

Appearance: White or colorless crystals

Melting Point: 177-180°C.

Vapour Pressure: <1.33mPa (20°C).

Stability: Insoluble in water at room temperature, micro-soluble in organic solvents.

Specification: 95%TC, 50%WP

Uses: Folpet is a protective leaf-fungicide. Its mode of action inhibits normal cell division of a broad spectrum of microorganisms. It is used to control cherry leaf spot, rose mildew, rose black spot, and apple scab. Used on berries, flowers, ornamentals, fruits and vegetables, and for seed- and plant-bed treatment. Also used as a fungicide in paints and plastics, and for treatment of internal and external structural surfaces of buildings. Incompatible with strongly alkaline preparations, such as lime sulfur. The Signal Word for products containing folpet is "Warning".