Model Number

1918-00-9

Dicamba (3,6-dichloro-2-methoxybenzoic acid) is an herbicide used to control annual and perennial broadleaf weeds in grain crops and grasslands, and it is used to control brush and bracken in pastures. It will kill broadleaf weeds before and after they sprout. Legumes will be killed by dicamba. In combination with a phenoxyalkanoic acid or other herbicide, dicamba is used in pastures, range land, and non-crop areas (fence-rows, roadways and wastage) to control weeds. Brand names for formulations of this herbicide include Banvel, Oracle and Vanquish.

It is in the benzoic acid family of herbicides.

It is a light tan slightly phenolic crystalline solid. It is stable to oxidation and hydrolysis and melts at temperatures between 90 and 100 °C (194 to 212 °F). Dicamba is nonflammable and does not present any unusual handling hazards.

CAS number [1918-00-9]

PubChem 10433671

O=C(O)C1=C(OC)C(Cl)=CC=C1Cl

Molecular formula C8H6Cl2O3

Molar mass 221.04

Appearance White crystalline solid

Density 1.57

Melting point 114-116 °C

Solubility in water 500,000 µg/ml

Solubility in ethanol 922 g/L

Hazards

Flash point 199 °C

ICQ: 494997889

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