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Glyphosate

Glyphosate structure

CAS No:
1071-83-6
Formula:
C3H8NO5P
Chemical Name:
Glyphosate
Synonyms:
Glycine,N-(phosphonomethyl)-;N-(Phosphonomethyl)glycine;Glyphosate;MON 2139;Glialka;Phosphonomethyliminoacetic acid;N-Phosphomethylglycine;MON 6000;(Carboxymethylamino)methylphosphonic acid;Phosphonomethylglycine;Forsat;Phorsat;Folusen;Rebel Garden;Glyphosate CT;Glyphodin A;Accord XRT II;Hockey;Herbatop;Glialka 36;Lancer;Carboxymethylaminomethanephosphinic acid;Glyphomax;Kickdown;NSC 151063;Gliz 480CS;Gliz;Glyfos;Silglif;Klinik;MON 3539;GlyGran;Total;HM 2028;Buccaneer;Atila;Ground Bio;Leone;Glifoglex;C-K Yuyos FAV;Scout (herbicide);Scout;Glifosan 747;Lancer (herbicide);Safal;Gibson;Green Fire 50SL;Weedmaster 50SL;Accord 4L;2-[(Phosphonomethyl)amino]acetic acid;Glydon;Faena;Glyphosate atar 48;37337-60-3;42618-09-7;75241-08-6;1585457-94-8
Categories:
Agrochemicals > Herbicides

Description

Glyphosate is a kind of organic phosphorus herbicide. It is a kind of non-selective systemic stem leaf herbicide. It was developed by the Monsanto Company in the early 1970s. It is typically used in the form of its isopropylamine salt or sodium salt. The isopropylamine salt is the active component of a famous trademark herbicide ''Roundup''. The proto-drug is a white or slightly yellow crystalline powder with the melting point being at 232~236 ℃ (decomposition), it is easily soluble in water,

Glyphosate Basic Attributes

Molecular Weight：

169.07300

Exact Mass：

169.07

EC Number：

213-997-4

HScode：

2931900041

Characteristics

PSA：

116.67000

XLogP3：

-0.81330

Appearance：

Glyphosate is an odorless white powder. Decomposition begins at approximately 419°F (darkens). pH (1% solution in water) 2.5. (NTP, 1992)

Density：

0.5 g/cm³

Melting Point：

230 °C (decomp)

Boiling Point：

465.8ºC at 760 mmHg

Flash Point：

235.5ºC

Refractive Index：

1.576

Water Solubility：

Solubility in water, g/100ml at 25°C: 1.2

Storage Conditions：

APPROX 4ºC

Vapor Pressure：

Vapour pressure at 20°C: negligible

Toxicity：

LD50 in rats, mice (mg/kg): 4873, 1568 orally (Bababunmi)

Flammability characteristics：

combustion produces toxic gases of nitrogen oxides and phosphorus oxides

Odor：

Odorless

Safety Information

Transport codes：

UN 3077 9/PG 3

wgk germany：

hazard class code：

R41; R51/53

safety instructions：

S2-S26-S39-S61

RTECS Number：

MC1075000

Marks：

Storage features：

Treasury: ventilation, low-temperature and drying; store separately from food raw material

Stability/Shelf Life：

Stable. Incompatible with metals, strong oxidizing agents, strong bases. May be light sensitive.

Precautionary statement(s)：

P273-P280-P305 + P351 + P338 + P310-P391-P501

Hazard Statements：

H318-H411

Glyphosate Use and Manufacturing

Glyphosate was originally used for controlling of grass weeds in rubber plantations and can allow the rubber tapping a year earlier and increase the production capacity of the old rubber tree. It is currently gradually extended to forestry, orchards, mulberry fields, tea plantations, rice and wheat, and rape rotation land. Different kinds of weeds have different sensitivity to glyphosate and therefore the dosage is also different. For example, for weeds such as barnyardgrass, green bristlegrass, Alopecurus aequalis, Eleusine indica, crabgrass, cleavers and other annual weeds, the dosage calculated according to the amount of the active ingredient should be 6~10.5 g/ 100 m2. For semen plantaginis, horseweed, and dayflower, the dosage of being an active ingredient should be 11.4~15g/100m2. For cogon, Panicum repens, and reeds, the dosage can be 18~30 g /100m2, generally the used amount of water should be 3~4.5 kg. Apply direct and even spray to the stems and leaves of the weed. It is a kind of non-selective, post-emergent herbicide with short residue life. It can be used for control of perennial deep roots weeds, annual and biennial weeds, sedges and broadleaf weeds. Glyphosate is an organic phosphorus herbicide and its herbicidal property was found by D. D. Baird (US) in 1971. Until to the 1980s, it has become an important species in the world herbicide. Herbicide Nonselective, postemergence, broad spectrum herbicide used to control annual and perennial grasses, sedges, broad-leaved and emerged aquatic weeds. This herbicide is also used to control insects on fruit trees.

Computed Properties

Molecular Weight:169.07
XLogP3:-4.6
Hydrogen Bond Donor Count:4
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:4
Exact Mass:169.01400935
Monoisotopic Mass:169.01400935
Topological Polar Surface Area:107
Heavy Atom Count:10
Complexity:162
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Diethanolamine

Triethylamine

Calcium hydroxide

Sodium hydroxide

Ammonium hydroxide

Phosphonic acid

Paraformaldehyde

Formaldehyde

Glycine

Hydrochloric acid

Phosphoric acid

Ammonia

Sulfuric acid

Phosphorus trichloride

Hydrogen peroxide

Chloroacetic acid

Phosphonic acid, dimethyl ester

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