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Profile:Manufacturer - Producer|Ref:PSL113086YH | Country: China | Currency: | Export: No
CAS NO.: 1071-83-6
Chemical name: N-(phosphonomethyl)glycine
Molecular Formula: C3H8NO5P
Physical chemistry: Form Colourless crystals. Melting Point:189.5±0.5℃. Boiling Point: Decomp.>200℃. Vapour Pressure: 1.31×10-2 mPa(25℃). Kow logP<-3.2(pH 2-5,20℃) (OECD 107;EEC A8) Henry <2.1×10-7 Pa m3 mol-1. S.g./density 1.705 (20℃). Solubility In water 11.6 g/l (25℃).Insoluble in common organic solvents, e.g. acetone, ethanol and xylene. The alkali-metal and amine salts are readily soluble in water. Stability Glyphosate and all its salts are non-volatile, do not photochemically degrade and are stable in air. Glyphosate is stable to hydrolysis at pH 3, 6 and 9 (5-35℃). pKa 5.77±0.03, 2.18±0.02(20±2℃) (OECD 112) Flash Point: Not flammable.
Toxicology: It's graded as low toxicity herbicide, according to the national standard of toxicity grade of pesticides. It's a little harmful to men and domestic animals. Acute LD50 through mouth of a big rat: more than 5000mg/kg.
Application: Control of annual and perennial grasses and broad-leaved weeds, pre-harvest, post-planting/pre-emergence and in stubble, in cereals, peas, beans, oilseed rape, flax and mustard, at c. 1.5-2 kg/ha; as a directed spray in vines and olives, at c. 4.3 kg/ha; in orchards, pasture, forestry and industrial weed control, at c. 4.3 kg/ha. As an aquatic herbicide, at c. 2 kg/ha.
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