Detailed Product Description
Features:
1) Common name: nicosulfuron
2) CAS No.: 111991-09-4
3) Molecule formula: C15H18N6O6S
4) Molecule weight: 410.4
5) Melting point: 141-144º C
6) Vapor pressure: < 8×10-7 mPa (25º C)
7) S.g./density: 0.313 (bulk)
10) Appearance: Colourless crystals
11) Solubility.: In water 0.07 g/l; in acetone 18, ethanol 4.5, chloroform, dimethylformamide 64, acetonitrile 23, toluene 0.370, hexane <0.02, dichloromethane 160 (all in g/kg, 25º C)
12) Stability: hydrolysis DT50 15 d (pH5); stable at pH 7 and 9
Specifications:
Technical standard
a.i. content /% | 95min |
pH | 3.0-6.0 |
Moisture/% | 0.5max |
Insoluble in acetone/% | 0.5 max |
Nicosulfuron 75% WDG
a.i. content /% | 75min |
Suspension rate/% | 90min |
Moisture/% | 1.0 max |
Fineness (75um sieve)/% | 98min |
pH | 4-8 |
Nicosulfuron 4% SC
a.i. content /% | 4min |
Moisture/% | 0.5max |
Suspension rate/% | 90min |
Dispensability/% | 80min |
Uses:
Selective systemic herbicide, absorbed by the foliage and roots, with rapid translocation in xylem and phloem to the merstematic tissues. Used as selective post-emergence control in maize of annual grass weeds and broad-leaved weeds.
Toxicity:
Oral: acute LD50 for male and female rats and mice > 5000 mg/kg
Skin and eye: acute percutaneous LD50 for male and female rats > 2000 mg/kg; moderate eye irritant; not a skin irritant (rabbits); not a skin sensitiser (guinea pigs), 75% formulation is not an eye irrutant
Inhalation: LC50(4h) for rats 5.47 mg/l air
NOEL: in 28 d feeding trials on rats and mice, no adverse effect up to 30 g/kg diet
Other: non-mutagenic in the Ames test
