Metribuzin
|
Chemical name: |
Metribuzin |
CAS No.: |
21087-64-9
|
Empirical formula: |
C8H14N4OS
|
Structural formula: |
|
Molecular mass: |
214.28 |
Basic chemical and physical data: |
White crystal. Melting point 125 – 126.5℃. Vapor pressure (20℃) < 1.33mPa. Solubility (20℃): 1200ppm in water, 190g/L in ethanol, 450g/L in methanol, 130g/L in toluene. |
Usage: |
Metribuzin is selective systemic herbicide, used to control the broad-leaf weeds and gramineae weeds in the fields of soybean, potato, tomato, clover, pea, carrot, sugarcane, bamboo shoot, pineapple etc. |
Toxicity: |
Oral Acute LD50: 2200mg/kg in male rats, and 2345mg/kg in female rats, 698mg/kg in male mice, and 711mg/kg in female mice. TLm (48h) is more than 40mg/L in carp. ADI is 0.025mg/kg. |
Storage: |
Metribuzin shall be stored in a cool, dry and well ventilated place. It should not be stored or transported along with foods. |
Package: |
25kg fibre drum, or according to the customer’s requirements. |
Attention: |
|
Formulation: |
50%WP,70%WP |
|
|
Specification of technical: |
|
Appearance: white powder
Content of A.I.: 95.0% min.
Moisture: 1.0% max.
Acidity (cal. as H2SO4): 0.5% max.
Insoluble substance in acetone: 0.5% max. |
|