Oryzalin
Brief Introduction
English Name: ORYZALIN
Trade Name: DIRIMAL, RYZELAN, SURFLAN
Chemical Name: 3,5-dinitro-N4, N4-dipropylsulfanilamide).
Molecular Formula: C12H18N4O6S
Molecular Weight: 346.4
Structural Formula:
Physicochemical Properties:
Technical product is light yellow crystal solid, melting point: 141-142°C; vapor pressure: L0.0013MPa(25°C); solubility(25°C): in water: 2.4mg/L; Kow5420(PH7). Pka9.4. It is stable at the temperature of 52°C(high-temperature storage test); The stable period is 28 days at PH3, 6 and 9. To decompose on meeting with ultraviolet light. In soil(PH6.5), absorption K is 10.2.
Toxicity:
Acute by oral for rats and gerbil, LD50: >10000mgTC/kg; for cats: 1000mg/kg; for dogs: 1000mg/kg. Acute by skin for rabbits, LD50>2000mg/kg; slightly pungent to skins, no pungent to eyes. Acute by oral for chicken, LD50 is 1000mg/kg, for partridge and widgeon: >500mg/kg; LC50(96H): >1.4mg/L for goldfish; by oral for bees, LD50 is 0.011m
Uses:
SURFLAN, SC, WG, WP(750AI/kg), DIRIMAL, RYZELAN. Composite formulation: DIRIMAL EXTRA[52452-96-7](oryzalin+diuron)
Application:
as herbicide before sprouting, singly used or together with other herbicide, to prevent and remove weeds for cotton, peanut, winter cole, soy bean, sunflower and so on, the dosage is 1.0-2.0kgAI/ha. |
