【CAS】:N-(phosphonomethyl)glycine
【CAS No.】:1071-83-6
【Molecular Formula】:C3H8NO5P
【Molecular weight】:169.08;
【Physical form】:Colourless crystals.
【Density】:1.705 (20 ℃);
【Composition】:Tech. is 95% pure.
【Melting point】:189.5 ℃;
【Flash point】:Not flammable;
【Vapour pressure】:1.31×10-2 mPa (25℃);
【Henry constant】:<2.1×10-7 Pa m3 mol-1;
【Partition coefficient(n-octanol and water)】:logP <-3.2 (pH 2-5, 20 ℃), (OECD107; EEC A8);
【pKa】:5.77(20 ℃), (OECD112);
【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℃).
Over 150 crops for control of annual and perennial weeds, woody brush, and trees. Use postdirected in tree and plantation crops, postemergence over soybeans, and postharvest in fallow periods and noncropland. 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