| Common
Name: |
Nicosulfuron
|
| Chemical
Name: |
2-[(4,6-dimethoxypyrimidin-2-ylcarbamoyl)sulfamoyl]-N,N-dimethylnicotinamide
|
| CAS
No.: |
111991-09-4
|
|
Structure: |
|
| Molecular
Formula: |
C15H18N6O6S
|
| Molecular
Weight: |
410.4
|
| Physical
Chemistry: |
Technical can
be recognized as white powder or colorless crystals.Water
Solubility: @ 25 degrees C: 0.04 g/100g pH=5.0; 1.2 g/100g pH=7.0;
3.9 g/100g pH=9.0.Solubility in Other Solvents: @ 25 degrees C: 0.04
g/100g pH=5.0; 1.2 g/100g pH=7.0; 3.9 g/100g pH=9.0.Melting Point:
141-144 degrees C.Vapor Pressure: 1.2 x 10 to the minus 16 torr at
25 degrees C.
|
| Toxicity: |
The acute oral
LD50 for technical nicosulfuron was reported to be >5,000 mg/kg body
weight. The acute dermal LD50 was >2,000 mg/kg body weight. The
acute inhalation LC50 was >5.9 mg/L. Primary dermal irritation
testing showed nicosulfuron to be a non-irritant and a
non-sensitizer. The primary eye irritation testing showed
nicosulfuron to be a moderate irritant.
|
| 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.
|
| Technical
Purity: |
95%Tech
|
| Formulation
Type: |
75%WDG,4%SC
| |
