Chemical Identification
Common Name
Glyphosate
中文通用名
草甘膦
IUPAC
N-(phosphonomethyl)glycine
CAS
N-(phosphonomethyl)glycine
CAS No.
1071-83-6
Molecular Formula
C3H8NO5P
Molecular Structure
Category
Activity
Herbicide
CropUse
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, 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.
Premix
Glyphosate+2,4-D
Metsulfuron-methyl+glyphosate
Bensulfuron-methyl+glyphosate
Bensulfuron-methyl+glyphosate+butachlor
Glyphosate-isopropylammonium+sulfometuron-methyl
Pyraflufen-ethyl+glyphosate
Glyphosate+2,4-D choline
Mesotrione+glyphosate
Glyphosate-isopropylammonium+Mcpa-isopropylamine
Fluoroglycofen-ethyl+Quizalofop-p-ethyl+Glyphosate
Fluazifop-P+Glyphosate
Dicamba+Glyphosate ammonium
MCPA+Glyphosate
Glyphosate+Triclopyr
Dicamba+Glyphosate
Glufosinate-ammonium+Glyphosate
Glyphosate ammonium+MCPA+Fluoroglycofen-ethyl
Aqueous solution, water-soluble liquid, water soluble concentrate. Premix Parters: S-Metolachlor; 2,4-D; Acetochlor; Amitrole; Ammonium Thiocyanate; Atrazine; Butafenacil; Carfentrazone-ethyl; Dicamba; Diquat Dibromide; Diuron; Fluometuron; Imazapic; Imazapyr; Imazaquin; Imazethapyr; MCPA; Mesotrione; Metsulfuron-methyl; Oxyfluorfen; Prodiamine; Prometryn; Simazine; Terbuthylazine
Physical Properties
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℃).
Toxicology
Oral:Acute oral LD50 for rats 5600, mice 11300, goats 3530 mg/1107 kg. Percutaneous:Acute dermal LD50 for rabbits >5000 mg/kg. Severely irritating to eyes; non-irritating to skin (rabbits). Inhalation: LC50 (4 h) for rats >4.98 mg/l air.
Environmental Profile
Ecotoxicology:
Transport Information
Signal Word:WARNING; Hazard Class:II(Moderately hazardous)

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