Common name: thidiazuron 

Other name: Dropp 

Chemistry name:1-phenyl-3-(1,2,3-thiadiazol-5-y1)urea(IUPAC); N-phenyl-N’-(1,2,3-thiadiazol-5-y1)urea(CA)

Structural formula:

Molecular formula:C9H8N4OS

Molecular weight: 220.2

Physicochemical property: Pure products: colorless crystalline solid,melting point:210.5----212.5?C(decomposed),vapor pressure:4nPa(25?C). solubility(25?C):water 31mg/l,cyclohexanone:21.5mg/l,dimethyl amide,dimethyl sulfoxide > 500g/l,ethyl acetate:0.8g/l,ethane: 6mg/kg,methanol:4.5g/l,Kow 59(pH 7.3),pKa 8.86. Stable below 200?C.

Suitable objects: Used as defoliant in cotton,prevent growth in bean,soybean,peanut etc..

Specification: 95% technical grade 

Packaging: cardboard drum lined with two layers of polyethylene,25kg/pail,sealed.