Common  Name: Lactofen

Appearance: Technical lactofen is a white crystalline solid , although it may appear brown or tan in formulation (223, 1).

Chemical Name: ethyl O{5-(2-chloro-a,a,a-trifluoro-p-toluoxy)-2-nitrobenzoyl}-DL-lactate

CAS Number: 77501-63-4

Molecular Weight: 461.78

Water Solubility: 0.1 mg/L

Solubility in Other Solvents: isopropanol s., acetone s., xylene s.

Melting Point: 43.9 - 45.5 degrees C

Vapor Pressure: 1.1 x 10 to the minus 3 mPa

Partition Coefficient: 100,000 (344)

Adsorption Coefficient: Koc = 10,000

TRADE OR OTHER NAMES: Lactofen is the active ingredient in Cobra herbicide and may also be called PPG-844 .

REGULATORY STATUS:Lactofen is a Restricted Use Pesticide in EPA toxicity class I. Although it is slightly toxic via all routes of exposure  in test animals, it has the capacity to cause severe eye damage as well as skin corrosion . Products containing Lactofen must therefore bear the signal word DANGER .

INTRODUCTION:Lactofen is a member of the diphenyl ether chemical family . It is available in the technical solid form or as an emulsifiable concentrate . It is applied as a foliar spray on target weeds. It is commonly used to control broadleaf weeds in soybeans, cereal crops, potatoes and peanuts . It may commonly be combined with oil or fertilizer adjuvants and/or surfactants . Formulations may contain solvents such as xylenes and cumene .