Glyphosate

Description

White, odorless solid used as a post-emergence herbicide. Glyphosate is a phosphoorganic compounds that has been used to control ruderal vegetation. It has no residual activity.

Synonyms and Related Terms

n-(phosphonomethyl)glycine; Roundup (mono(isopropylammonium) salt [Monsanto]; Polado (sesquisodium salt)

Risks

• LD50 = 5600 mg/kg
• Contact may cause irritation and redness.
• Combustion produces toxic fumes.
• Alligare: SDS

Physical and Chemical Properties

Soluble in water. Insoluble in most organic solvents.

Composition	C3H8NO5P
CAS	1071-83-6
Melting Point	230 C
Density	1.7 g/ml
Molecular Weight	mol. wt. = 169.1

Resources and Citations

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 4522

• G.Caneva, M.P.Nugari, O.Salvadori, Biology in the Conservation of Works of Art, ICCROM, Rome, 1991