PAN Pesticides Database - Pesticide Products

Product Name: Weedone 170 woody plant herbicide

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Identifying information, including U.S. EPA registration number, product registration status, formulation and warning label, as well as links to sources of product labels and MSDS information.
Summary of the toxicity properties of each active ingredient and the percent of each active ingredient in the product.
Approved uses for the product by general use type, pest, and crop or location.
Product registration history, including initial date registered, date cancelled (if applicable), and date registration was transferred (if applicable).
Name, address, and identifying number of the company that registered the product. Name and address of the agent, if applicable.
Complete list of names under which this product is sold. Often a company will register a single product and then sell the same product under many different brand names. The 'Distributor Name' list is a complete list of these names.

Product Identification for Weedone 170 woody plant herbicide

Basic Identification Information About This Product
MSDS and Product Label
U.S. EPA Product Reg No
Product Registration Status
Acute Hazard Warning Label
Restricted Use Product
PAN Bad Actor Product:
No. of names this product is sold under
Emulsifiable concentrate
3 Caution
Not Listed
3 (See bottom of page for complete list of products)

Toxicity for Weedone 170 woody plant herbicide

Summary Toxicity Information for the Active Ingredients in this Product
For detailed chemical information click on the chemical names below

Active Ingredients
Chemical Name
Percent Carcinogen Cholinesterase
Developmental or
Reproductive Toxin
2,4-D, butoxyethanol ester 29.9 % Possible No
Dichlorprop, butoxyethyl ester 29.3 % Possible No
Indicates high toxicity in the given toxicological category. Indicates no available weight-of-the-evidence assessment. For additional information on toxicity from scientific journals or registration documents, see the "Additional Resources for Toxicity " section of the chemical detail page for each active ingredient.

Other Ingredients in this Product

By U.S. law, only active ingredients (AIs) are reported. In addition to active ingredients, pesticide products may contain one or more "inert" ingredients. Many "inert" ingredients in current use have known adverse human and environmental effects.

U.S. EPA statement on inerts      U.S. EPA list of inerts     NCAP Inerts Report (pdf)


Historic Uses in the U.S. for Weedone 170 woody plant herbicide

Note! This product is now cancelled, when it was registered it was used for the following:


Herbicide , Herbicide terrestrial


No pest , Annual broadleaf weeds , Perennial broadleaf weeds , Trees , Brush , Conifers , Woody plants , Hardwoods , Maple , Bigleaf maple , Red maple , Sumac , Poison ivy , Poison oak , Honeysuckle , Red elder , Snowberry , Buckbrush , Blackgum , Alder , Birch , Hazel , Persimmon , Manzanita , Oak , Sand shinnery oak , Blackjack oak , Post oak , Sweetgum , Yerbasanta , Hickory , Sassafras , Black locust , Tulip poplar , Ash , Fir , Spruce , Pine , Hemlock , Sycamore , Ceanothus , Coffeeberry , Chamise , Serviceberry , Cherry , Black cherry , Multiflora rose , Blackberry , Salmonberry , Aspen , Poplar , Willow , Gooseberry , Currant , Winged elm , Red elm

Crops and Locations

Forest lands (foliar treatment) , Conifer release (foliar treatment) , Jack pine (forest) (foliar treatment) , Red pine (forest) (foliar treatment) , White spruce (forest) (foliar treatment) , White pine (forest) (foliar treatment) , Rights-of-way (highway) (foliar treatment) , Rights-of-way (highway) (frill treatment) , Rights-of-way (highway) (basal bark treatment) , Rights-of-way (highway) (stump treatment) , Rights-of-way (railroad) (foliar treatment) , Rights-of-way (railroad) (frill treatment) , Rights-of-way (railroad) (bark treatment) , Rights-of-way (railroad) (stump treatment) , Utility (rights-of-way) (foliar treatment) , Rights-of-way (utility) (frill treatment) , Rights-of-way (utility) (bark treatment) , Rights-of-way (utility) (stump treatment) , Fencerows (nonagricultural) (foliar treatment) , Fencerows (nonagricultural) (frill treatment) , Fencerows (nonagricultural) (basal bark treatment) , Fencerows (nonagricultural) (stump treatment) , Aerial application (fixed wing) , Aerial application (rotary aircraft) , Tank mix

U.S. Product Registration History for Weedone 170 woody plant herbicide

U.S. EPA Product Reg No:
Product Registration Status:
Approval Date:
Aug 31, 1967  
Cancellation Date:
May 25, 1995  
Cancel/Transfer Reason:
Company request

Company and Agent Information for Weedone 170 woody plant herbicide

Manufacturer Agent Distributor
Bayer cropscience lp
2 t.w. alexander drive
Research triangle park, NC 27709
Company Number: 000264
No Agent, See Company Info. No Additional Distributor, See Company Info.

Distributor Names for Weedone 170 woody plant herbicide

Product names Distributor Product Type Approval Date Cancellation Date
Brush-b-gon brush killer Bayer cropscience lp Distributor Product Apr 24, 1979 May 25, 1995
Esteron dp2 mixture brush killer Bayer cropscience lp Distributor Product Aug 20, 1979 May 25, 1995
Weedone 170 woody plant herbicide Bayer cropscience lp Parent Product Aug 31, 1967 May 25, 1995
Working with the Information on this Page

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