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----212.5ºC(decomposed),vapor pressure:4nPa(25ºC). solubility(25ºC):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 200ºC.
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.
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