Bensulfuron-methyl (96%TC, 60%DF, 10%WP, 30%WP) CAS NO.99283-01-9

physical & chemical properties
1. melting point: 185~188° c
2. vapour pressure: 1.733× 10-3pa (20° c)
3. molecular weight: 396.3751
4. solubility: methylene chloride, 11720 mg/l, acetonitrile, 5380 mg/l, 280 mg/l, xylene and ethyl acetate, 1660 mg/l, acetone 1380 mg/l, methanol, 990 mg/l, hexane 3.1 mg/l, 1200 mg/l water.
5. stability: stable in micro alkaline solution (ph = 8), slowly decompose in the acidic solution.
ph 5 half-lives 11 days, when the ph 7 is 143 days
toxicity
acute oral ld50 for rats: >5000 mg/kg,
acute dermal ld50 for rats: > 2000 mg/kg.
application
selective systemic herbicide, absorbed by the foliage and roots, with rapid translocation to the meristematic tissues.
selective pre- and post-emergence control of annual and perennial weeds and sedges (e. g. butomus umbellatus, scirpus maritimus, scirpus mucronatus, alisma plantago-aquatica, sparganium erectum, cyperus spp., typha spp., etc. ) in continuously flooded rice, at 30-100 g/ha.