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Label & SDS

EPA Label: link

Registration information

  • U.S. EPA Registration number: 241-296
  • U.S. EPA Status: ACTIVE

Description

'Chopper Herbicide' is an herbicide terrestrial. Its Federal EPA registration number is: 241-296. It was originally approved by EPA on 25 Feb 1987. It has a 'Caution' signal word. It has the following active ingredients: Imazapyr, isopropylamine salt. It's approved for 70 sites including asphalt paving, black spruce, california red fir, coast redwood, commercial/industrial equipment, ditch banks, douglas-fir, fencerows, forest trees, and hardwood trees. It is also approved for 213 pests and pest groups including but not limited to alder, american beech, annual bluegrass, annual spurge, arrowwood, ash, aspen, australian pine, autumn olive, and bahiagrass.

Original registration date:

  • 25 Feb 1987

Cancellation date:

  • n/a

Alternative names:

  • CHOPPER HERBICIDEActive

Registrant:

  • BASF CORPORATION
  • Address:
    26 Davis Drive
    Research Triangle Park, NC 27709

Active ingredients:

  • Imazapyr, isopropylamine salt 27.7%
  • Other ingredients 72.3%

Signal word:

  • Caution

Product type:

  • Herbicide Terrestrial

Formulation:

  • Emulsifiable Concentrate

Registered target pests:

  • Alder
  • American beech
  • Annual bluegrass
  • Annual spurge
  • Arrowwood
  • Ash
  • Aspen
  • Australian pine
  • Autumn olive
  • Bahiagrass
  • Baldcypress
  • Barnyardgrass
  • Beardgrass
  • Beech
  • Bermudagrass
  • Big bluestems
  • Bigleaf maple
  • Birch
  • Black locust
  • Black oak
  • Blackgum
  • Blueberry
  • Boxelder
  • Brambles
  • Brazilian peppertree
  • Broadleaf signalgrass
  • Broadleaf weeds
  • Broom snakeweed
  • Bull thistle
  • Burclover
  • Burdock
  • Camelthorn
  • Camphorweed
  • Canada bluegrass
  • Carolina geranium
  • Carpetweed
  • Cattail
  • Ceanothus
  • Cheat
  • Cherry
  • Chickweed
  • Chinaberry
  • Chinese tallowtree
  • Chinquapin
  • Clover
  • Cocklebur
  • Cogongrass
  • Common chickweed
  • Common ragweed
  • Cottonwood
  • Crabgrass
  • Crowfootgrass
  • Cudweed
  • Cypress
  • Dallisgrass
  • Dandelion
  • Diffuse knapweed
  • Dock
  • Dogfennel
  • Dogwood
  • Downy brome
  • Elderberry
  • Elm
  • Eucalyptus
  • Fall panicum
  • Feather fingergrass
  • Feathertop
  • Fescue
  • Fiddleneck
  • Field bindweed
  • Filaree
  • Fleabane
  • Florida pusley
  • Foxtail
  • Gallberry
  • Giant ragweed
  • Giant reed
  • Goldenrod
  • Goosegrass
  • Grasses
  • Greenbrier
  • Guineagrass
  • Hawthorn
  • Hazel
  • Hedge bindweed
  • Henbit
  • Hickory
  • Hoary vervain
  • Honeylocust
  • Honeysuckle
  • Horseweed
  • Huckleberry
  • Indian mustard
  • Italian ryegrass
  • Itchgrass
  • Japanese bamboo
  • Johnsongrass
  • Junglerice
  • Kentucky bluegrass
  • Knotweed
  • Kochia
  • Kudzu
  • Lambsquarters
  • Little mallow
  • London rocket
  • Lovegrass
  • Macartney rose
  • Madrone
  • Maple
  • Melaleuca
  • Milkweed
  • Milkweed vine (preemergence)
  • Minerslettuce
  • Morningglory
  • Mouseear chickweed
  • Mulberry
  • Mullein
  • Multiflora rose
  • Nettleleaf goosefoot
  • No pest
  • Oak
  • Orchardgrass
  • Oxeye daisy
  • Panicum
  • Paragrass
  • Pepperweed
  • Persimmon
  • Phragmites
  • Pigweed
  • Plantain
  • Poison ivy
  • Poison oak
  • Pokeweed
  • Poplar
  • Prairie cordgrass
  • Prairie threeawn
  • Prickly wild rose
  • Primrose
  • Privet
  • Prostrate knotweed
  • Puncturevine
  • Purple lythrum
  • Purslane
  • Pusley
  • Quackgrass
  • Rabbitbrush
  • Red alder
  • Red maple
  • Redvine
  • Reed canarygrass
  • Ricegrass
  • Rush skeletonweed
  • Russian knapweed
  • Russian thistle
  • Saltbush
  • Saltcedar
  • Saltgrass
  • Sand dropseed
  • Sandbur
  • Sassafras
  • Scotch broom
  • Shepherdspurse
  • Signalgrass
  • Silverleaf nightshade
  • Smartweed
  • Smooth brome
  • Sorrel
  • Sourwood
  • Sowthistle
  • Sprangletop
  • Spurge
  • Stinging nettle
  • Sumac
  • Sunflower
  • Sweetbay magnolia
  • Sweetclover
  • Sweetgum
  • Sycamore
  • Tanoak
  • Tansymustard
  • Texas thistle
  • Timothy
  • Titi
  • Torpedograss
  • Tree-of-heaven
  • Trees
  • Trumpetcreeper
  • Vaseygrass
  • Velvetleaf
  • Vines
  • Virginia creeper
  • Waxmyrtle
  • Western ragweed
  • Wild barley
  • Wild buckwheat
  • Wild carrot
  • Wild grape
  • Wild lettuce
  • Wild oat
  • Wild parsnip
  • Wild rose
  • Wild turnip
  • Willow
  • Wiregrass
  • Wirestem muhly
  • Witchgrass
  • Wooly cupgrass
  • Wooly cupgrass (preemergence)
  • Woolyleaf bursage
  • Yaupon
  • Yellow poplar
  • Yellow starthistle
  • Yellow woodsorrel

Registered target sites:

  • Asphalt paving
  • Black spruce (forest) (foliar treatment)
  • California red fir (forest) (foliar treatment)
  • Coast redwood (forest) (foliar treatment)
  • Commercial/industrial equipment (pumps)
  • Ditch banks (basal bark treatment)
  • Ditch banks (frill treatment)
  • Ditch banks (injection treatment)
  • Ditch banks (stump treatment)
  • Douglas-fir (forest) (foliar treatment)
  • Fencerows (nonagricultural) (basal bark treatment)
  • Fencerows (nonagricultural) (frill treatment)
  • Fencerows (nonagricultural) (injection treatment)
  • Fencerows (nonagricultural) (stump treatment)
  • Forest trees (basal bark treatment)
  • Forest trees (frill treatment)
  • Forest trees (injection treatment)
  • Forest trees (stump treatment)
  • Hardwood trees (forest) (soil treatment)
  • Incense-cedar (forest) (foliar treatment)
  • Industrial sites (basal bark treatment)
  • Industrial sites (frill treatment)
  • Industrial sites (stump treatment)
  • Industrial sites (tree injection treatment)
  • Jack pine (forest) (foliar treatment)
  • Larch (forest) (foliar treatment)
  • Loblolly pine (forest) (foliar treatment)
  • Lodgepole pine (forest) (foliar treatment)
  • Longleaf pine (forest) (foliar treatment)
  • Noncrop areas (basal bark treatment)
  • Noncrop areas (frill treatment)
  • Noncrop areas (injection treatment)
  • Noncrop areas (stump treatment)
  • Paved areas
  • Pitch pine (forest) (foliar treatment)
  • Ponderosa pine (forest) (foliar treatment)
  • Red spruce (forest) (foliar treatment)
  • Rights-of-way (highway) (basal bark treatment)
  • Rights-of-way (highway) (frill treatment)
  • Rights-of-way (highway) (stump treatment)
  • Rights-of-way (highway) (tree injection treatment)
  • Rights-of-way (pipeline) (basal bark treatment)
  • Rights-of-way (pipeline) (frill treatment)
  • Rights-of-way (pipeline) (stump treatment)
  • Rights-of-way (pipeline) (tree injection treatment)
  • Rights-of-way (railroad) (bark treatment)
  • Rights-of-way (railroad) (frill treatment)
  • Rights-of-way (railroad) (injection treatment)
  • Rights-of-way (railroad) (stump treatment)
  • Rights-of-way (utility) (bark treatment)
  • Rights-of-way (utility) (frill treatment)
  • Rights-of-way (utility) (stump treatment)
  • Rights-of-way (utility) (tree injection treatment)
  • Shortleaf pine (forest) (foliar treatment)
  • Slash pine (forest) (foliar treatment)
  • Storage yards (basal bark treatment)
  • Storage yards (frill treatment)
  • Storage yards (stump treatment)
  • Storage yards (tree injection treatment)
  • Sugar pine (forest) (foliar treatment)
  • Tank farms (petroleum) (basal bark treatment)
  • Tank farms (petroleum) (frill treatment)
  • Tank farms (petroleum) (injection treatment)
  • Tank farms (petroleum) (stump treatment)
  • Virginia pine (forest) (foliar treatment)
  • Western hemlock (forest) (foliar treatment)
  • Western redcedar (forest) (foliar treatment)
  • White fir (forest) (foliar treatment)
  • White pine (forest) (foliar treatment)
  • White spruce (forest) (foliar treatment)