PAN Pesticides Database - Pesticide Products

Product Name on Label: Crystal simazine 80w wettable powder

The EPA Registered Name for this product is: Drexel simazine herbicide 80w
This occurs when a single registered product is sold using many different names. For a complete list, see the Distributor Names list at the bottom of the page.

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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 Drexel simazine herbicide 80w

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
Wettable powder
3 Caution
3 (See bottom of page for complete list of products)

Toxicity for Drexel simazine herbicide 80w

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
Simazine 80.0 % Unclassifiable 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 Drexel simazine herbicide 80w

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


Herbicide terrestrial


No pest , Wiregrass (preemergence) , Pigweed (preemergence) , Carpetweed (preemergence) , Amaranths (preemergence) , Carelessweed (preemergence) , Milkweed (preemergence) , Fiddleneck (preemergence) , Knawel (preemergence) , Common chickweed (preemergence) , Fivehook bassia (preemergence) , Common lambsquarters (preemergence) , Russian thistle (preemergence) , Ragweed (preemergence) , Spanishneedles (preemergence) , Flora's paintbrush (preemergence) , Prickly lettuce (preemergence) , Pineappleweed (preemergence) , Groundsel (preemergence) , Annual morningglory (preemergence) , Mustard (preemergence) , Shepherdspurse (preemergence) , Tansymustard (preemergence) , Pepperweed (preemergence) , Shieldscress (preemergence) , Yellow flower pepperweed (preemergence) , Alyssum (preemergence) , Wild mustard (preemergence) , Balsamapple (preemergence) , Filaree (preemergence) , Quackgrass (preemergence) , Silver hairgrass (preemergence) , Wild oat (preemergence) , Brachiaria (preemergence) , Downy brome (preemergence) , Crabgrass (preemergence) , Junglerice (preemergence) , Barnyardgrass (preemergence) , Watergrass (preemergence) , Goosegrass (preemergence) , Witchgrass (preemergence) , Fall panicum (preemergence) , Annual bluegrass (preemergence) , Foxtail (preemergence) , Rattail fescue (preemergence) , Henbit (preemergence) , Burclover (preemergence) , Hop clover (preemergence) , Fireweed (preemergence) , Smartweed (preemergence) , Redmaids rock purslane (preemergence) , Common purslane (preemergence) , Florida pusley (preemergence) , Speedwell (preemergence) , Corn speedwell (preemergence) , Nightshade (preemergence) , Annual ryegrass (preemergence) , Carpet burweed (preemergence) , Spurweed (preemergence)

Crops and Locations

Caneberries (soil treatment) , Blackberries (soil treatment) , Boysenberries (soil treatment) , Loganberries (soil treatment) , Raspberries (soil treatment) , Blueberries (soil treatment) , Cranberries (dormant application) , Cranberries (postharvest application to plants) , Grapes (dormant application) , Grapes (postharvest treatment to plants) , Strawberries (soil treatment) , Strawberries (postharvest application to plants) , Grapefruit (soil treatment) , Lemons (soil treatment) , Oranges (soil treatment) , Almonds (soil treatment) , Filberts (soil treatment) , Macadamia nuts (soil treatment) , Pecans (soil treatment) , Walnuts (soil treatment) , Apples (soil treatment) , Pears (soil treatment) , Cherries (sour) (soil treatment) , Cherries (sweet) (soil treatment) , Peaches (soil treatment) , Plums (soil treatment) , Corn (field) (forage) (soil treatment) , Avocados (soil treatment) , Corn (field) (soil treatment) , Olives (soil treatment) , Christmas tree plantings (soil treatment) , Shelterbelts (soil treatment) , Arborvitae (shelterbelt) (soil treatment) , Arborvitae (forest) (nursery) , Boxelder (shelterbelt) (soil treatment) , Boxelder (forest) (nursery) , Douglas-fir (shelterbelt) (soil treatment) , Douglas-fir (forest) (nursery) , Hemlock (shelterbelt) (soil treatment) , Hemlock (forest) (nursery) , Honeylocust (shelterbelt) (soil treatment) , Honeylocust (forest) (nursery) , Juniper (shelterbelt) (soil treatment) , Juniper (forest) (nursery) , Redcedar (shelterbelt) (soil treatment) , Redcedar (forest) (nursery) , White cedar (forest) (soil treatment) , White cedar (forest) (nursery) , Yew (shelterbelt) (soil treatment) , Yew (shelterbelt) (nursery) , Austrian pine (shelterbelt) (soil treatment) , Austrian pine (forest) (nursery) , Red pine (shelterbelt) (soil treatment) , Red pine (forest) (nursery) , White spruce (shelterbelt) (soil treatment) , White spruce (forest) (nursery) , Scotch pine (shelterbelt) (soil treatment) , Scotch pine (forest) (nursery) , Russian olive (shelterbelt) (soil treatment) , Russian olive (shelterbelt) (nursery) , Red spruce (shelterbelt) (soil treatment) , Red spruce (forest) (nursery) , American elm (shelterbelt) (soil treatment) , American elm (forest) (nursery) , Balsam fir (shelterbelt) (soil treatment) , Balsam fir (forest) (nursery) , Fraser fir (shelterbelt) (soil treatment) , Fraser fir (forest) (nursery) , Norway spruce (shelterbelt) (soil treatment) , Norway spruce (forest) (nursery) , White pine (shelterbelt) (soil treatment) , White pine (forest) (nursery) , Caragana (shelterbelt) (soil treatment) , Caragana (shelterbelt) (nursery) , Blue spruce (shelterbelt) (soil treatment) , Blue spruce (forest) (nursery) , Siberian elm (shelterbelt) (soil treatment) , Siberian elm (shelterbelt) (nursery) , Red oak (shelterbelt) (soil treatment) , Red oak (forest) (nursery) , Mugho pine (shelterbelt) (soil treatment) , Mugho pine (forest) (nursery) , Bermudagrass (golf fairways) (soil treatment) , Bermudagrass (lawns) (soil treatment) , Bermudagrass (ornamental turf) (soil treatment) , Bermudagrass (grown for sod) , Centipedegrass (golf fairways) (soil treatment) , Centipedegrass (lawns) (soil treatment) , Centipedegrass (ornamental turf) (soil treatment) , Centipedegrass (grown for sod) , St. augustinegrass (lawns) (soil treatment) , St. augustinegrass (ornamental turf) (soil treatment) , St. augustinegrass (golf fairways) (soil treatment) , St. augustinegrass (grown for sod) , Zoysiagrass (lawns) (soil treatment) , Zoysiagrass (ornamental turf) (soil treatment) , Zoysiagrass (golf fairways) (soil treatment) , Zoysiagrass (grown for sod) , Barberry (soil treatment) , Barberry (nursery) , Cotoneaster (soil treatment) , Cotoneaster (nursery) , Mahonia (soil treatment) , Mahonia (nursery) , Oregongrape (shelterbelt) (soil treatment) , Oregongrape (nursery) , Bush honeysuckle (soil treatment) , Bush honeysuckle (nursery) , Dogwood (soil treatment) , Dogwood (nursery) , Irrigation supply systems (water treatment) , Aerial application , Tank mix

U.S. Product Registration History for Drexel simazine herbicide 80w

U.S. EPA Product Reg No:
Product Registration Status:
Approval Date:
May 22, 1981  
Cancellation Date:
Jun 8, 2009  
Cancel/Transfer Reason:
Company request

Company and Agent Information for Crystal simazine 80w wettable powder

Manufacturer Agent Distributor
Drexel chemical company
1700 channel avenue
Memphis, TN 38113
Company Number: 019713
No Agent, See Company Info. Crystal chemical company
1525 n post oak rd
Houston, TX 77055
Company Number: 009663

Distributor Names for Drexel simazine herbicide 80w

Product names Distributor Product Type Approval Date Cancellation Date
Crystal simazine 80w wettable powder Drexel chemical company Distributor Product May 16, 1994 Jun 8, 2009
Drexel simazine herbicide 80w Drexel chemical company Parent Product May 22, 1981 Jun 8, 2009
Simazine 80w herbicide Drexel chemical company Distributor Product Jul 26, 1985 Jun 8, 2009
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