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IUP AC name: 3,7-dichloroquinoline-8-carboxylic acid
Chemical Abstracts name:3,7-dichloro-8-quinolinecarboxylic acid
CAS NO.:84087-01-4
Formula:C10H5CL2NO2
Molecular weight:242.1
Melting point:274°C
Vapour pressure:0.01mpa(at 20°C)
Solubility in water 6.2g/L at 20°C,in acetone and ethanol is 0.2g/100g
Toxicity:oral LD50(rat)2650mg/kg
Dermal LD50(rabbit)2000mg/kg
Appearance:white to yellow
Applications:
Quinclorac is rapidly absorbed through the foliage. Weak auxin activity as determined in wheat coleoptile elongation test, cucumber root elongation test, cucumber curvature test and ethylene biosynthesis test in soya beans. No influence on Hill reaction. Plant response is similar to IAA or auxin-type herbicides of the class of benzoic acids and pyridine compounds.
Used for pre- and post- emergence control of grass weeds (Echinochloa spp., Aeschynomene spp., Sesbania spp.) and other weeds in direct-seeded and transplanted rice at 0.25-0.75 kg a.i./ha.
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