Clomazone 95% TC, 48% 50% EC,50% WP, Cas No.: 81777-89-1

  • Description
  • Specifications
China herbicide Clomazone manufacturer and supplier
common name :Clomazone
chemical name :2-(2-chlorobenzyl)-4,4-dimethyl-1,2-oxazolidin-3-one
structure
molecular formula :C12H14ClNO2
molecular weight :239.7

Physical and Chemical Properties
 The technical grade is a slight yellow viscous liquid, relative density 1.19,  vapour pressure 1.92mPa ( 25℃),Solubility in water 1.1g/l at 20℃, Miscible with ace fone, easily soluble in acetone, acetonitrile, chloroform, cyclohexanone, methanol, methylbenzene etc, organic solvents. Stable in alkaline and acid media(pH4.5~9.25)material,corrosive to metal, and no losing when stouage for one year at room temperature.
Specification:
Items
Standard
Appearance
Light brown to achromatic liquid
Purity
≥90.0%(W/W)
PH value
6.0-8.0
Water
≤0.5%
Insolubility in acetone
≤0.2
Toxicity
  Technical grade is low toxic herbicide. Acute oral for male rat LD60>2000mg/kg,for female LD50 1369 mg/kg, acute dermal for rat LD50>2000mg/kg. Non-irritarive to eye and skin. In the studies, there is no finding Carcinogenicity, Mutagenicity and Teratogenicity effects.Blue sunfish LC50(96 hours)34mg/l, rainbow trout LC50(96 hours)19mg/l. bird LC50>5000mg/kg(maliard).
Application
Clomazone is a selective pre-sprout herbicide. It is used as closing treatment during post-planting and pre-sprouting. The product has high effect to control annual weeds of soybean, cotton, maixe etc. field such as Echinochloa crus-galli. Polugonum bungeaanum.Chenopodium album. Setaria viridis. Abutllon the ophrasti. Solanum nigrum. Xanthium sibiricum, Amaranthus retroflexus etc.
Formulation
Clomazone 90%TC
Clomazone 48%EC