Nicosulfuron is selective systemic herbicide, a post-emergence herbicide used to control annual grass weeds in maize crops.absorbed by the foliage and roots, with rapid translocation in xylem and phloem to the meristematic tissues
Selective Herbicide Nicosulfuron 95%TC,75%WDG,4%SC,4%OF
CAS NO.: 111991-09-4
Chemical Name:1-(4,6-Dimethoxypyrimidin-2-yl)-3-(3-dimethylcarbamoyl
-2-pyridylsulfonyl)urea
Physical & Chemical Property
Appearance: white powder.
Molecular Formula: C15H18N6O6S
Molecular Weight: 410.40
Solubility: 0.4g/L(pH5), 120g/L(pH6.8), 39.2g/L(pH8.8), in water;
18.8g/L in acetone, 64.4g/L in DMF
Melting Point: 142℃
Boiling Point: 333.8°C at 760 mmHg
Flash Point: 155.7°
Toxicity
Ingestion: Oral (LD50 Rat): > 5,000 mg/kg body weight
Dermal: Dermal (LD50 Rabbit): > 2,000 mg/kg body weight
Inhalation: Inhalation (LC50 Rat): > 5.47 mg/l
Eye Contact: Slightly Irritating (Rabbit)
Skin Contact: Slightly Irritating (Rabbit)
Skin Sensitization: Not a Sensitizer (Guinea Pig)
Application
Nicosulfuron is a member of the sulfonylurea family of herbicides. It controls weeds by inhibiting the plant enzyme acetolactate synthase or ALS. This enzyme is not found in livestock, fish or man. Inhibiting the ALS enzyme system blocks the production of the amino acids, valine and isoleucine, essential building blocks of proteins and other plant components.