Chemical Name: N-phenyl-N′-1,2,3-thiadiazol-5-ylurea

Formula: C₉H₈N₄OS

Molecular Weight: 220

CAS No.: 51707-55-2
Appearance : Colorless crystals.
Melting Point: 210.5-212.5°C.
Stability: Soluble in dimethylformamide and dimethylsulfoxide.
Specification: 98%TC, 50%WP, 0.1%SL, 50%SC

Application
Plant growth regulators, absorbed by the leaves, which stimulates formation of an abscission layer between the plant stem and the leaf petioles, casuing the dropping of entire green leaves.

Used for defoliation of cotton, in order to facilitate harvesting; applied at 0.21kg/ha per season.