Amidosulfuron
Chemical Name:
N-[[[[(4, 6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-N-methylmethanesulfonamide

Formula: C9H15N5O7S2

Molecular Weight: 3649.4

CAS No.: 120923-37-7

Description:
Appearance: White, crystalline powder.
Density: 1.5 g/cm3
Melting Point: 160-163º C.
Vapour Pressure: 0.022 MPa(25º C).
Solubility: In water 3.3 (pH 3), 9 (pH 5.8), 13 500 (pH 10) mg/l (20 º C). In isopropanol 0.099, methanol 0.872, acetone 8.1 (all in g/l, 20 º C).
Stability: Stable for 2 years at 25 º C.
Specification: 95%TC, 25%WDG, 50%SC

Uses:
It is a systemic herbicide, absorbed by the leaves and roots and translocated throughout the plant.
Post-emergence control of a wide range of broad-leaved weeds, especially cleavers, in winter wheat, durum wheat, barley, rye, triticale and oats, at 30-60 g/ha; Controls docks in pasture.
ECOTOXICOLOGY
Birds LD50 for mallard ducks and bobwhite quail >2000 mg/kg. Fish LC50 (96 h) for rainbow trout >320 mg/l. Daphnia LC50 (48 h) 36 mg/l. Algae EbC50 (72 h) for Scenedesmus subspicatus 47 mg/l. Bees Acute oral LD50 >1000 mg/bee. Worms LC50 (14 d) for Eisenia foetida >1000 mg/kg.