Glyphosate

Glyphosate
Herbicide, organophosphorus

Features:
1) Common name: Glyphosate
2) Structure formula: 

3) Chemical name: N-(phosphonoethyl)glycine
4) Molecular formula: C3H8NO5P
5) Molecular weight: 169.1
6) CAS no.: 1071-83-6.

Physical and chemical properties: 
1) Appearance: colorless crystals
2) Melting point: 189?.5oC
3) V.p.: negligible
4) KOWlogP: <-3.4 (20oC)
5) S.g./density: 1.704 (20oC)
6) Solubility:
a) In water: 11.6g/L (25oC)
b) Insoluble in common organic solvents, e.g. acetone, ethahol and xylene. Its alkali
metal and amine salts are readily soluble in water.
7) Stability: Glyphosate and all its salts are non-volatile, do not photo-chemicaliy
degrade and are stable in air. It is strongly absorbed by soil. Solutions are
corrosive to iron and galvanized steel.

Technical specification:
1) Appearance: white to slightly yellow powder
2) a.i. content: >=95%
3) Loss on drying: <=1.0%
4) Water insoluble matter: <=0.2%

Formulation: SP, SL, SG

Analysis: UV spectrophotometry method (AS, HG 2459-93)

Packaging: 25kg/plastic woven bag with plastic bag inside or cardboard drum with
plastic bag inside

Applications:
1) Action: non-selective systemic herbicide absorbed by foliage, with rapid translocation
throughout the plant. Inactivated on contact with soil.
2) Uses:
a) Control of annual and perennial grasses and broad-leaved weeds, pre-harvest, post-planting/pre-emergence
and in stubble, for cereals, peas, beans, oilseed rape,
flax and mustard at c 1.5 - 2kg/ha.
b) As a directed spray in vines and olives at c 4.3kg/ha.
c) As an aquatic herbicide at c. 2kg/ha.

Toxicity:
1) Oral: acute oral LD50 for rats 5600, mice 11300mg/kg
2) Skin and eyes: acute percutaneous LD50 for rabbits >5000, rats >5010,
mice 7030mg/kg. Eye irritant; not irritating to skin (rabbits).
3) ADI: 1.75mg
4) Other: not mutagenic, not carcinogenic, not teratogenic, not neurotoxic. No adverse
effects on reproduction.
5) Birds: acute oral LD50 for bobwhite quails >3851mg/kg
6) Fish: LC50 (96h) for trout 86, bluegill sunfish 120