herbicide tralkoxydim 95%TC 80%WDG 25%EC CAS No.: 87820-88-0 CAS NO.87820-88-0

common name:

asulam

other name:

asulon

chemical name:

methyl ((4-aminophenyl)sulfonyl)carbamate

cas no.:

3337-71-1

molecular formula:

c8h10n2o4s

molecular weight:

230

properties:

appearance colourless crystals. m.p. 142-144°c (decomp) v.p.800, acetone 340, methanol 280, methyl ethyl ketone 280, ethanol 120, hydrocarbons and chlorinated hydrocarbons<20(all in g/l,20-25°c). stability stable in boiling water≥ 6h. stable>4y (ph8.5,room temperature).

application:

cell division inhibitor. selective systemic herbicide, absorbed by the leaves, shoots,and roots. control of annual and perennial grasses and broad-leaved weeds in spinach,alfalfa, some ornamentals, sugar cane, bananas, coffee, tea, cocoa, coconuts, rubber, etc.; wild oats in flax; docks in grassland, fruit trees and bushes, and on non-crop land; and bracken (pteridium aquilinum) in grassland, non-crop land, and forestry. application rates from 1-10kg/ha,depending on crops.

formulation:

95%tc,40%sl,80%wdg

packing:

50kg/fibre drum,200l/steel drum

toxicity:

oral/acute oral ld50 for rats, mice, rabbits, and dogs>4000mg/kg. skin and eye acute percutaneous ld50 for rats>1200mg/kg. inhalation lc50 (6h)for rats>1.8mg/l air. noel in 90d feeding trials, rats receiving 400mg/kg
diet showed no significant ill-effects. no effect ,observed when fed to cows at 800ppm over 8w, or to sheep at 50mg/kg over l0d. non-teratogenic. birds acute oral ld50 for mallard ducks, pheasants, and pigeons>4000mg/kg.fish lc50
(96h)for rainbow trout, channel catfish,goldfish >5000, bluegill sunfish>3000mg/l. bees not-toxic to bees at <2%w/v by direct contact or ingestion.

item

requirement

result

appearance

pale yellow powder

pale yellow powder

content %

≥95%

95.05%

water %

≤1.0%

0.80%

insoluble matter in water %

≤1.0%

0.6%

ph

6-9

6.7