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Crop Protection Database

Dalapon

Action/Use:
  • Herbicide
  • ;
  • Plant Growth Regulator
Use: Annual and perennial grasses, cattails, rushes in cropland, noncrop, irrigation ditchbanks, etc.
Identification
Common Name(s): Dalapon (ANSI, BSI, WSSA); ; DPA (JMAF); ; Proprop (So. Africa)
Chemistry
Properties: Acid itself not used directly. Commercial products usually sodium salt or mixed sodium + magnesium salts of dalapon. Sodium salt: yellowish, solid.
Dalapon
Mode of Action / Resistance Management
Chemical Group: Chloro-carbonic acid
Mode of Action: Inhibition of lipid synthesis — not ACCase inhibition
Action Group: HRAC Group N; WSSA Group 26
Registration
U.S.A.: Not registered.
Environmental Guidelines
Hazards: Fish: LC50 105 ppm (bluegill). Bird: Dietary LC50 >5000 ppm (mallard, ring-necked pheasant, Japanese quail)
Water Solubility: 629 g/kg at 25° C
Safety Guidelines
Signal Word: WARNING
Toxicity Class: II
Toxicity: Sodium 2,2-dichloropropionic acid: (Rat): Oral LD50 9330 mg/kg (male); 7570 mg/kg (female)
Handling/storage Cautions: Do not contaminate water, food or feed by storage or disposal. Do not reuse spray equipment for any purpose unless thoroughly cleaned with a suitable cleaner. Do not reuse container; destroy when empty
Spill Control/cleanup: Solid spillage should be picked up with an industrial vacuum cleaner and disposed of in accordance with local regulations
Product/waste Disposal: Dispose of by special means (suitable incineration, etc.) in accordance with local regulations
Protective Clothing: Chemical-resistant gloves.
Suppliers and Branded Products
Premix Products:
+ TCA-Sodium
Discontinued Names:
Basfapon*
Dalacide*
Dalapon* 85
Ded-Weed*
Devipon*
Dowpon* M
Kaislantuho*
Kenapon*
Radapon*
Revenge*
Silban*
Steriweed*